Answers
The rectangle on top with side lengths of 6 and 8 has an area of 48 in.^2 because 6 x 8 = 48.
The two squares with side lengths of 6 and 6 both have the area of 36 in.^2 because 6 x 6 = 36.
The two triangles have the area of 18 in.^2 because 6 x 6 / 2 = 18.
When you add up the areas of all the shapes you get 48 + 36 + 36 + 18 + 18 = 156 in.^2
Hope this helps :D
Answer:
156 [tex]in^{2}[/tex]
Step-by-step explanation:
The surface area is, as said by the name, the area of the surface. So, we have to add up all the areas of all the planes. Look at the attachement I edited from the pic you provided.
Planes B and C are both the exact same area, which means the area of one of them is
1/2 * b * h
Now as the area is for both of them, we multiply the above expression by 2 to cancel it out.
2 * 1/2 * b * h
b * h
In this case, our bases and heights for planes B and C are both 6 inches.
So together, planes B and C area
6 * 6 inches square
36 inches square. Remember this.
We will also see that planes A and E have the same area, both being squares as shown from the unfolded version and from the sidelengths of the folded triangular prism.
The area of one plane is b*h, so 2 planes that have the same area would have the area of 2*b*h.
Our base and height for planes A and E are yet again, 6 inches.
So the combined area of the planes are
2*6*6
2*36
72 inches square. Remember this.
Now we have our last plane left, plane D.
This one is a basic plane, just a rectangle.
The area of a rectangle is b * h.
In this case, our area would be
8 * 6
48 inches square. Remember this.
Now for our final answer.
The surface area, using my edited version, would be the following sum:
plane A + plane B + plane C + plane D + plane E
We know that plane B + plane C is equal to 36 inches square.
So, so far we have:
36 + plane A + plane D + plane E
We now that plane A and plane E have a sum that totals to 72 inches square.
Now we have:
36 + 72 + plane D
Substitute the value of plane D and we get:
36 + 72 + 48
36 + 120
156 square inches as our answer
Related Questions
What are the plotting points?
Answers
Answer: plot points (0,-2) (1.-5) (2.-8) (-1.1) (-2.1) makes a upside down V
-3|0+2|+4=-2
-3|1 +2|+4= -5
-3|2+2|+4= -8
-3|-1+2|+4=1
+3|-2+2|+4=1
Step-by-step explanation:
The number of jobs for nurses is expected to increase by 711,900 between 2010 and 2020. during the same decade, the number of jobs for physicians is expected to increase by 168,300. find the ratio of the increase in jobs for physicians to the increase in jobs for nurses.
Answers
The Ratio would be 43:100.
Lets simplify the problem,
Expected increase of nurses = 711900
Expected increase of physicians = 168300
Ratio = Expected increase of nurses / Expected increase of physicians
Ratio = 711900 / 168300
= 43/100
Ratio = 43:100
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Tony is given _9 10 hour to mow a lawn. he only uses _ 2 3 of the given time to mow the lawn. how much time is left
Answers
[tex]\frac{7}{30}[/tex] units of time is left.
What is a fraction?A fraction is a component of a whole or, more broadly, any number of equal parts. In everyday English, a fraction describes the number of pieces of a specific size, such as one-half, eight-fifths, and three-quarters.To find how much time is left:
Given - Tony is given [tex]\frac{9}{10}[/tex] hour to mow a lawn. he only uses [tex]\frac{2}{3}[/tex] the given time to mow the lawn.
Simplify subtract [tex]\frac{9}{10}[/tex] by [tex]\frac{2}{3}[/tex] as follows:
[tex]\frac{9}{10}-\frac{2}{3} =\frac{27-20}{30} =\frac{7}{30}[/tex]
Therefore, [tex]\frac{7}{30}[/tex] units of time is left.
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7. The table below shows the soft drinks preferences of people in two age groups.
Sprite
Lemonade
20
30
50
Under 21 years of age
Between 21 and 40
Totals
25
35
60
If one of the 110 subjects is randomly selected, find the probability that:
a) A person prefers to drink sprite
b) A person is between 21 and 40 years old.
c) A person drinks lemonade given they are between 21 and 40.
d) A person drinks Sprite given they are under 21 years of age.
Totals
45
65
110
Answers
The calculated probabilities are
0.54550.59090.46150.5556a. The probability of the people that prefer sprite isProbability = 60/110
= 0.5455
B. The probability that a person is between 21 and 40probability = 65/110
= 0.5909
C. Probability of drinking lemonade given that age is between 21 and 40Probability = 30/65
= 0.4615
d. Probability of sprite when under 2125/45
= 0.5556
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For what value of mc009-1 is the function one-to-one?
(1, 2), (2, 3), (3, 5), (4, 7), (5, 11), (6, c)
2
5
11
13
Answers
Using the concept of an one-to-one function, it will be one-to-one for c = 13.
What is an one-to-one function?A function is said to be one-to-one if each output is mapped to only one input.
In this problem, outputs 2, 5 and 11 have already been matched to inputs 1, 3 and 5, respectively, hence the output for input 6 has to be c = 13 for a one-to-one function.
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Fyodor and his three sons, Ivan, Dmitri and Alyosha, are standing exactly on the corners of a rectangular room. Fyodor is $3$ meters from Dmitri and $5$ meters from Ivan. What is the minimum possible distance that Fyodor could be from Alyosha, in meters
Answers
The minimum possible distance that Fyodor could be from Alyosha is 4 meters.
Given Information and Deduction
It is given that Fyodor is 3 meters in distance away from Dmitri and 5 meters from Ivan.
Now, since we know that the longest side of a right angle triangle formed by the dividing the rectangular room into two parts using a diagonal is the hypotenuse. Thus, if we want to find the minimum possible distance between Fyodor and Alyosha, we will have to assume that Ivan is standing diagonally opposite to Fyodor, as shown in the figure below.
Calculating the Minimum Distance
According to Pythagoras Theorem,
(hypotenuse)² = (base)² + (perpendicular)²
Here, the hypotenuse is the distance between Fyodor and Ivan.
Perpendicular and the base are the distances between Fyodor and Dmitri, and Fyodor and Alyosha respectively.
⇒ base = √(hypotenuse)² -(perpendicular)²
⇒ base = √(5)²-(3)²
⇒ base = √(25-9)
⇒ base = √16
⇒ base = 4 meters
Therefore, the minimum possible distance between Fyodor and Alyosha is 4 meters.
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Suppose you are saving your money to pay for a vacation for your family. so far, you have saved. you plan on saving more each month so you can pay for the vacation at the end of the year. assume that you save more each month than the previous month.
part a: write a formula that would show the amount you will have saved after year.
part b: if the vacation costs a total of , will you be able to pay for it after year?
part c: explain why or why not. show your work to support your answer.
Answers
440 repeat 11 more times.
400+(400*.1)=440 repeat 11 more times. Remember to use a new value each time.
Vacations can get expensive fast. The average cost per person for a week-long vacation is about $1,200 annually. So, if you've got a family of five, you'll need to sock away at least $6,000 for transportation, hotels, meals, and amusement parks.
Financial experts suggest that the average family vacation costs between 5-10% of your total income. If your family makes $40,000 per year then experts say your yearly family vacation budget should average between $2,000-$4000.
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what are the differences between cos(x) and cos^-1(x)
Answers
cos^-1(x) represents the inverse of cos(x).
The cost of 11 identical mobile phones is 91,300rs/-. what is the cost of 1 mobile phone?
Answers
The answer is 8300.
Divide 91300 by 11 you will get the answer.
Problem-solving is the act of defining trouble; figuring out the cause of the problem; figuring out, prioritizing, and choosing alternatives for an answer; and enforcing a solution.
Problem-fixing starts with identifying the difficulty. For instance, a teacher might want to discern the way to improve student performance on a writing talent test. To do that, the trainer will assess the writing checks looking for areas of development.
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Pleassee help!!!
will give brainliest!!
Answers
The amplitude is 6 and vertical translation is 2. Therefore Option C is correct
For the transformation of y=f(x) to f(x)+k, for k>0, f(x) is moved k upwards and for transformation of f(x) to f(ax) it depends upon the value of a If |a|>1 then f(ax) is f(x) squashed horizontally by a factor of a and If 0<|a|<1 then f(x) is stretched horizontally by a factor of a.
So by the graph it is clearly visible that amplitude of the graph is 6 as the distance from the centre line (or the still position) to the top of a crest or to the bottom of a trough is 6 and the vertical translation is 2 as distance moved by the graph upwards is 2.
Thus the amplitude is 6 and vertical translation is 2.
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Which geometric series results in a sum of -69, 905?
O A.
SOB.
O C.
O D.
10
k=0
(-4)*
- }(4) *
Σ-1(5)
k=0
Σ 1 (-5)*
k=0
Answers
The geometric series which result in a sum of -69,905 is: D. [tex]\sum^{9}_{k=0} -\frac{1}{5} (4)^k[/tex]
The standard form of a geometric series.Mathematically, the standard form of a geometric series can be represented by the following expression:
[tex]\sum^{n-1}_{k=0}a_1(r)^k[/tex]
Where:
a₁ is the first term of a geometric series.r is the common ratio.Also, the sum of a geometric series is given by:
[tex]S=\frac{a_1(1-r^n)}{1-r}[/tex]
For option A, we have:
r = -5, n = 8, a₁ = 1/4 = 0.25
[tex]S=\frac{0.25(1-(-5)^8)}{1-(-5)}[/tex]
S = -24,414.
For option B, we have:
r = 5, n = 12, a₁ = -1/4 = -0.25
[tex]S=\frac{-0.25(1- 5)^{12})}{1-5}[/tex]
S = -15,258789.
For option C, we have:
r = -4, n = 11, a₁ = 1/5 = 0.2
[tex]S=\frac{0.2(1-(-4)^{11})}{1-(-4)}[/tex]
S = -279,620.
For option D, we have:
r = 4, n = 10, a₁ = -1/5 = -0.2
[tex]S=\frac{-0.2(1-4^{10})}{1-4}[/tex]
S = -69,905.
In conclusion, the geometric series which result in a sum of -69,905 is [tex]\sum^{9}_{k=0} -\frac{1}{5} (4)^k[/tex]
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This figure represents a design found in a glass panel. ABCD is a rectangle with
midpoints X, Y, Z, and W. Emily states that the quadrilateral formed by the segments
that join the midpoints of the sides is a rhombus. Do you agree with her? Explain why
or why not.
Answers
Answer: Yes
Step-by-step explanation:
Since ABCD is a rectangle, [tex]\angle AXY[/tex], [tex]\angle YBZ[/tex], [tex]\angle WCZ[/tex], and [tex]\angle WDX[/tex] are all right angles, and are thus all congruent because all right angles are congruent. Furthermore, because ABCD is a rectangle, we know that [tex]\overline{AB} \cong \overline{CD}[/tex] and [tex]\overline{AD} \cong \overline{BC}[/tex]. Because we are given that X, Y, Z, and W are midpoints, using the fact that halves of congruent segments are congruent, we can conclude that [tex]\overline{AY} \cong \overline{YB} \cong \overline{CW} \cong \overline{WD}[/tex] and that [tex]\overline{AX} \cong \overline{XD} \cong \overline{BZ} \cong \overline{ZC}[/tex]. As a result, we can conclude that [tex]\triangle AYX \cong \triangle DXW \cong \triangle CWZ \cong \triangle BYZ[/tex] by SAS, and thus by CPCTC, [tex]\overline{AY} \cong \overline{XW} \cong \overline{ZW} \cong \overline{YZ}[/tex]. Therefore, since the quadrilateral formed by the midpoints has four congruent sides, it must be a rhombus.
Find the sum.
10+12+14+...+78
Answers
Answer:
1540
Step-by-step explanation:
This is an arithmetic progression.
a = first term = 10
Common difference = d = second term - first term
= 12 - 10
d = 2
Last term = l = 78
First we have to find how many terms are there in the sequence using the formula: l = a + (n-1)*d
78 = 10 + (n -1) * 2
78 -10 = (n -1)*2
68 = (n -1) *2
68 ÷2 = n -1
34 = n - 1
34 + 1 = n
n = 35
There are 35 terms.
[tex]\sf \boxed{\test{\bf Sum = $\dfrac{n}{2}(a +l)$}}[/tex][tex]\sf \boxed{\text{\bf Sum =$\dfrac{n}{2}(a+l) $}}[/tex]
[tex]\sf =\dfrac{35}{2}(10+78)\\\\ =\dfrac{35}{2}*88\\\\ = 35 * 44\\\\= 1540[/tex]
Step-by-step explanation:
This is an arithmetic progression.
a = first term = 10
Common difference = d = second term - first term
= 12 - 10
d = 2
Last term = l = 78
First we have to find how many terms are there in the sequence using the formula: l = a + (n-1)*d
78 = 10 + (n -1) * 2
78 -10 = (n -1)*2
68 = (n -1) *2
68 ÷2 = n -1
34 = n - 1
34 + 1 = n
n = 35
There are 35 terms.
\sf \boxed{\test{\bf Sum = $\dfrac{n}{2}(a +l)$}} \sf \boxed{\text{\bf Sum =$\dfrac{n}{2}(a+l) $}}
Sum =
2
n
(a+l)
\begin{gathered}\sf =\dfrac{35}{2}(10+78)\\\\ =\dfrac{35}{2}*88\\\\ = 35 * 44\\\\= 1540\end{gathered}
=
2
35
(10+78)
=
2
35
∗88
=35∗44
=1540
Suppose that a test for a disease correctly gives positive results for 95% of those having the disease and correctly gives negative results for 90% of those who don't have the disease. Suppose also that the incidence of the disease is 1%. If a person tests positive for the disease, what is the chance that they have the disease
Answers
If the test gives positive results for 95% of those having disease and correctly gives negative results for 90% of those who don't have disease and the incidence of the disease is 1% then the chance of having disease is 0.0105.
Given that a test for a disease correctly gives positive results for 95% of those having the disease and correctly gives negative results for 90% of those who don't have the disease.
We have to calculate the chance of having disease.
Probability that test is correct in determining the disease when person is suffering from it is 0.95.
Probability that test is not correct in determining the disease when person is suffering from it is 1-0.95=0.05.
Probability that test is correct in determining that the person is not suffering from disease when person is not suffering from it is 0.90.
Probability that test is not correct in determining that the person is not suffering from disease when person is not suffering from it is 1-0.9=0.10.
The chance of having disease is equal to incidence of disease multiplied by probabilities that the test has corectly determined disease when personis suffering from it and when test is not able to determine the disease when person is suffering from it.
Chance=0.01*0.95+0.01*0.10
=0.0095+0.001
=0.0105.
Hence the chance of having disease is 0.0105.
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What is the solution for the compound 5/2+x>1/3 or x+2 < -29/6
Answers
Answer:
x < -41/6 or x > -13/6.
Step-by-step explanation:
5/2+x>1/3
x > 1/3 - 5/2
x > 2/6 - 15/6
x > -13/6
x+2 < -29/6
x < -29/6 - 2
x < -41/6
The answer is x < -41/6 or x > -13/6.
Answer:
x > -13/6 or x < -41/6
Step-by-step explanation:
5/2+x>1/3 or x+2 < -29/6
x > 1/3 - 5/2 or x < -29/6 - 2
x > 2/6 - 15/6 or x < -29/6 - 12/6
x > -13/6 or x < -41/6
Someone help me with a step by step explanation to simplifying
100x(5 - 3p)
ty
Answers
Answer:
500x - 300xp.
Step-by-step explanation:
100x(5 - 3p)
First distribute the 100x over the parentheses:
= 100x*5 - 100x * 3p
Now simplify:
= 500x - 300xp.
The three sides of a right triangle have integral lengths which form an arithmetic sequence. How many numbers between 1 and 2020 inclusive can be the side of the hypotenuse
Answers
There are 404 numbers between 1 and 2020 inclusive that can be the side of the hypotenuse given that three sides of the right triangle have integral lengths which form an arithmetic sequence. This can be obtained by forming the arithmetic sequence, equating by Pythagoras theorem and finding numbers divisible by the integral.
Find the value of hypotenuse?Let the arithmetic sequence be (a - d), a, (a+d)
Using Pythagoras theorem,
(a - d)² + a² = (a+d)²
a² -2ad + d² + a² = a² + 2ad + d²
2a² - 2ad + d² = a² + 2ad + d²
2a² - a² + d² - d² = 2ad + 2ad
a² = 4ad
a = 4d
Thus hypotenuse will be (a + d) = 4d + d = 5d
How many numbers between 1 and 2020 inclusive can be the side of the hypotenuse?Since the value of hypotenuse is 5d, the total numbers divisible by 5 between 1 and 2020 will be the number of possible sides of the hypotenuse.
There are 2020 numbers between 1 and 2020 inclusive
The numbers divisible by 5 = 2020/5 = 404
Hence there are 404 numbers between 1 and 2020 inclusive that can be the side of the hypotenuse given that three sides of the right triangle have integral lengths which form an arithmetic sequence.
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PLEASE HELP IM SUPER STUCK
Answers
Answer:
27 cm³
Step-by-step explanation:
To find the volume, multiply the length, the width, and the depth together.
3*3*3=27
The volume of the cube is 27 cm³
Hope this helps!
A desk is on sale for $595, which is 32% less than the regular price. What is the regular price?
Answers
Answer:
875
Step-by-step explanation:
1-0.32=0.68 so its 0.68 of its original price.
x*0.68=595 x is the original price
x=595/0.68
x=875
Julian wants to ride his bicycle 20.6 miles this week. He has already ridden 8 miles. If he rides for 3 more days, write and solve an equation which can be used to determine xx, the average number of miles he would have to ride each day to meet his goal.
Answers
Answer:
Step-by-step explanation:
Our equation will be 3x+8=20.6
3x=12.6
x=4.2
Four different sets of objects contain 4,5,6, and 8 objects respectively. how many unique combinations can be formed by picking one object from each set?
A. 23
B. 141
C.960
D. 529
Answers
The number of unique combinations that can be formed by picking one object from each set is =960. That is option C.
Calculation of unique combinations of a number setNumber combination is a mathematical technique that shows the number of possible arrangements in a collection of items.
The first set of objects = 4. There are a total of 4 possibilities.
The second set of objects = 5. There are a total of 5 possibilities
Therefore from first and second set, the total number of possibilities = 4×5 = 20
For the whole set, the total possibilities;
= 4×5×6×8
= 960
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210÷[5+16÷2{6−18÷(7+2)}]−15
Answers
Answer:
[tex]-\frac{345}{37}[/tex]
Step-by-step explanation:
Just follow the order of operations
210÷[5+16÷2{6−18÷(7+2)}]−15
= 210÷[5+16÷2{6−18÷9}]−15 (calculate 7+2)
= 210÷[5+16÷2{6−2}]−15 (calculate 18÷9)
= 210÷[5+16÷2{4}]−15 (calculate 6-4)
= 210÷[5+16÷2×4]−15
= 210÷[5+8×4]−15 (calculate 16÷2)
= 210÷[5+32]−15 (calculate 8×4)
= 210÷[37]−15 (calculate 5+32)
= 210÷37−15
= 210÷37−(15×37)÷37 (put on the same denominator)
= 210÷37−555÷37 (calculate 15×37)
= (210−555)÷37
=-345÷37 (calculate 210-555)
In the exponential function f(x) = 3^-x 2, what is the end behavior of f(x) as x goes to [infinity]?
Answers
For an exponential function [tex]f(x) = 3^{-x}2[/tex] as x goes to infinity, f(x) goes to zero.
We have been given an exponential function [tex]f(x) = 3^{-x}2[/tex]
We need to check the end behavior of f(x) as x goes to infinity.
Consider,
[tex]\lim_{x \to \infty} f(x)\\\\= \lim_{x \to \infty} 3^{-x}2\\\\=2\times \lim_{x \to \infty} 3^{-x}\\\\=2\times 3^{-\infty}\\\\=2\times 0\\\\=0[/tex]
This means, x [tex]\rightarrow[/tex] infinity, f(x) goes to 0
As x goes to infinity, f(x) goes to zero.
Therefore, for an exponential function [tex]f(x) = 3^{-x}2[/tex] as x goes to infinity, f(x) goes to zero.
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WILL VOTE BRAINLIEST FOR THE FIRST RIGHT ANSWER
Answers
Answer:
last choice
Step-by-step explanation:
The domain is the set of x values: from -3 to 3.
The range is the set of y values: from 1 to 10.
Answer: last choice
Complete the following proof.
Prove: In an equilateral triangle the three medians are equal.
+a
e-(.*)-(
2a
P=
- (0 + 2ª + )-( ₂² )-(.)
?
2
0+
2-(+)-()
|− a)² + (
R-
C(a. b)
PC
=
(2a, 0)
√3 (with side - 2a)
QA-
- √(₁-2)* ·-(- -)
J(J
9a² 8²
a² (√3)²
B
(Height of equalateral A = b)
X
RB
a²3
√3
(²-²)² + (- - -)*
-J* · ·
()*(3
√√3
Answers
The median of an equilateral triangle are equal has been proved.
How to proof the triangle?The medians are given as AD, BE, and CF.
Let AB = AC = BC = x unit.
In triangles, BFC and CEB, we've
BF = CE.
ABC = ACB since they're both 60°
BC = BC
By SAS congruence,
BFC = CEB = BE = CF.
Similarly, we've AB = BE
Therefore, AD = BE = CF
median of an equilateral triangle are equal has been proved.
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Manju and Arif are playing a game in which one of them thinks of a number from the grid shown
below and the other has to guess it using some clues that are given. Manju thinks of a number
and gives the following clues:
It is a multiple of 3.
It is even.
It is in the third row.
What is Manju's number?
Answers
The number from the grid that fulfills all the given clues is; 12
How to find the multiple of a number?
The grid is shown in the attached image.
Now, we are told that Manju and Arif are thinking of a number on the grid and the clues are;
It is a multiple of 3.
It is even.
It is in the third row.
Now, looking at the third row, we see the numbers as;
11, 12, 13, 14, 15
Now, the only number that fulfills all the given clues is 12.
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A score that is three standard deviations above the mean would have a z score of
a. -3
b. 3
c. 0
d. 1
Answers
The value of z-score for a score that is three standard deviations above the mean is 3.
In this question,
A z-score measures exactly how many standard deviations a data point is above or below the mean. It allows us to calculate the probability of a score occurring within our normal distribution and enables us to compare two scores that are from different normal distributions.
Let x be the score
let μ be the mean and
let σ be the standard deviations
Now, x = μ + 3σ
The formula of z-score is
[tex]z_{score} = \frac{x-\mu}{\sigma}[/tex]
⇒ [tex]z_{score} = \frac{\mu + 3\sigma -\mu}{\sigma}[/tex]
⇒ [tex]z_{score} = \frac{ 3\sigma }{\sigma}[/tex]
⇒ [tex]z_{score} = 3[/tex]
Hence we can conclude that the value of z-score for a score that is three standard deviations above the mean is 3.
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Find 0 Round to the nearest degree.
OA. 68°
OB. 69°
OC. 22°
OD. 21°
Answers
Answer:
A
Step-by-step explanation:
[tex]\cos \theta=\frac{3}{8} \\ \\ \theta=\cos^{-1} \left(\frac{3}{8} \right) \\ \\ \theta \approx 68^{\circ}[/tex]
Answer OA.68
The point M(-6, -4) is translated 2 units right. What are the coordinates of the resulting point, M'?
Answers
Answer:
(-4,-4)
Step-by-step explanation:
If the point is moved 2 units to the rights then we add 2 to the x value: -6+2 = -4
(-4,-4)
Find the hourly rate of pay for each of the following jobs: a) Tamara owns a salon and earns R1050 for 6 hours and 15 minutes of work.
Answers
Answer:
₹168 per hour
Step-by-step explanation:
The hourly rate at which Tamara is paid can be found by dividing her ₹1050 pay by the 6:15 hours that she worked.
HoursWe know there are 60 minutes in an hour, so the fraction of an hour represented by 15 minutes is ...
(15 min)/(60 min/h) = (15/60) h = 1/4 h = 0.25 h
Added to the 6 whole hours Tamara worked, her pay is for 6.25 hours.
Hourly rateThe pay per hour is found by dividing pay by hours.
₹1050/(6.25 h) = ₹168/h
Tamara's hourly rate of pay is ₹168 per hour.