The cost of 2 chairs is = $30
The cost of 1 table = $60
Step-by-step explanation:
Let a table represent x
A chair represents y
4x + 3y = 225.......eq 1
3x + 4y = 195........eq 2
Use elimination method
x - y = 30
x= 30 + y...... Eq 3
Substitute the value of x into equation 1
4(30+ y) + 3y= 225
120 + 4y + 3y= 225
7y + 120= 225
7y= 225-120
7y= 105
y= 15
Substitute the value of y in eq 2
3x + 15 = 195
3x= 195-15
3x= 180
x= 60
Therefore, the cost of 2 chairs is 15 * 2= $30
The cost of 1 table = $60
Answer:
65
Step-by-step explanation:
Write a story to match the equation: x + 2 1/2 = 10
Lin likes to bake batches of muffins and share them with friends and family. She needs 10 cups of flour for her next batch, but only has 2 1/2 cups left. How much more flour does she need?
Answer:
She needs 15/2 cups of flour.
Step-by-step explanation:
x+2 1/2=10
2 1/2=5/2
x+5/2=10
x=10-5/2
x=20/2-5/2=15/2
Suppose f(x)=x^2 +1. Find the graph of 4 f(x).
Graph 1
Graph 2
Answer:
Graph 1.
Step-by-step explanation:
The graph of f(x) will be compressed by a factor 4 and the vertex will be 4 units up from the origin.
Helppppppp meeeeeee pleaseeeeee asappp
Answer:
C
Step-by-step explanation:
open circle, arrow pointing left
Can someone please help me!!! Ill mark brainliest!!
Answer: 252 ft
Find the area of the whole thing, then find the area of the green rectangle, then subtract to find the answer.
Please help ten points
Enter 2/5 and 1/3 as a pair of equivalent fractions with the least common denominator between the two fractions.
Answer:
2/5 = 6/15
1/3 = 5/15
Step-by-step explanation:
LCD of 5 and 3 is 15.
So 2/5 = 2*3/15 = 6/15
and
1/3 = 5*1 / 15 = 5/15
The sum of my number and two and two thirds is seven. What is my number?
7 is in one box. Below it are 2 boxes. N is in one. 2 and 2-thirds is in the other.
Check all that apply.
The variable, n, represents the unknown number.
The unknown number and 2Two-thirds equals 7
4One-third+2Two-thirds= 7
9Two-thirds- 2Two-thirds= 7
n = 4One-third
Answer:
1,2,3,5
Step-by-step explanation:
Answer:
abce
Step-by-step explanation:
Which of the following answers would have
no solution?
X=3
5=3
2=2
Answer:
no entiendo me explican que significa por fa
At a sale, dresses were sold for $192 each. This price was 96% of the dress's original price. How much did a dress originally cost?
Answer:
$199.68
Step-by-step explanation:
You would have to find 4% of 192.
That is 7.68.
192+7.68=199.68.
Jennifer has 12 nickels and dimes. The value of her coins is $1
Answer:
4 dimes, 12 nickels
Step-by-step explanation:
nickels are worth 5 cents,
12x5=60
$1 is worth 100 cents
100-60 is 40
dimes are worth 10 cents
40 / 10 is 4
so 4 dimes
The number of dimes = 8 dimes
The number of nickels = 4 nickels
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the number of nickels be = x
Let the number of dimes be = y
Now , the total number of coins = 12
So , the equation will be
x + y = 12 be equation (1)
Now , the total value of coins = $ 1
The value of 1 dime = $ 0.10
The value of 1 nickel = $ 0.05
So , the equation will be 0.05x + 0.10y = 1 be equation (2)
Multiply equation (2) by 100 , we get
5x + 10y = 100 be equation (3)
Multiply equation (1) by 5 , we get
5x + 5y = 60 be equation (4)
Subtracting equation (4) from equation (3) , we get
5y = 40
Divide by 5 on both sides of the equation , we get
y = 8
Therefore , the value of y = 8
Substitute the value of y in equation (1) , we get
x + y = 12
x + 8 = 12
Subtracting 8 on both sides of the equation , we get
x = 4
Therefore , the value of x is 4 and value of y is 8
Hence , The number of dimes = 8 dimes
The number of nickels = 4 nickels
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How do you write 75% as a unreduced fraction
Answer:75/100
Step-by-step explanation:
75%=75/100
Answer:
75/100
Step-by-step explanation:
reduced fractions of this include but are not limited too: 3/4 6/8 12/16 24/32 48/64
A point P os equi distant from R(-2,4) and S(6,-4) and its x co ordinate is twice its Y co ordinate find co ordinates of P
Answer: [tex]P(-4,-2)[/tex]
Step-by-step explanation: Distance between two points is calculated as
[tex]d=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}[/tex]
Equidistant means the same distance, i.e., the distance between points P and R is equal to the distance between points P and S.
Suppose P's y-coordinate is a. If its x-coordinate is double, then
(x,y) = (2a,a)
Thus
[tex]\sqrt{(2a+2)^{2}+(a-4)^{2}} =\sqrt{(2a-6)^{2}+(a+4)^{2}}[/tex]
Solving
[tex]4a^{2}+8a+4+a^{2}-8a+16=4a^{2}-24a+36+a^{2}+8a+16[/tex]
[tex]5a^{2}+20=5a^{2}-16a+52[/tex]
[tex]-16a=32[/tex]
[tex]a=-2[/tex]
y-coordinate is [tex]-2[/tex], then x-ccordinate is
2a = 2(-2) = [tex]-4[/tex]
Coordinates of point P equidistant for R and S is [tex](-4,-2)[/tex].
(help) Evaluate the expression 9y - 4(4) + y3 when y = 2.
Answer:
9y - 4(4) + y³= 18-16+8=10
Are the two expressions in the equation 2b + 5 + 1b = 3b + 5 equal or equivalent? How do you know
A sum amount to $2400 at 15% simple interest per annum after 4 years. Find the sum
Answer:
1500
Step-by-step explanation:
We can required to find the sum which also means the value
Future value= value × [ 1 + rate×time]
2400= value × [1 + 15/100×4]
2400= value × [1 + 0.15×4]
2400= value × [1+0.6]
2400= value × 1.6
Value= 2400/1.6
= 1500
A vending machine sells chips for $0.50 and candy bars for $1.00. If Jim spent $5.50 on snacks in the machine over the course of a week, how many candy bars did he buy? G. 2 H. 3 J. 4 K. Cannot be determined from the given information
Answer:
can't be determined
Step-by-step explanation:
we would need to know the total number of bars/chips he brought
Megan is planning to make dinner for a group of friends. She wants to make each person a personal pizza. It takes Megan 3 minutes to prepare a personal pizza with toppings. The function P(f) = 3f represents the time it takes to prepare the pizzas, where f is the number of friends attending her dinner party.
The function C(f) = 30 represents the time to cook the pizzas since it will take Megan 30 minutes regardless of how many friends attend..
Which expression represents how long it will take Megan to prepare and cook the pizzas
A. P(f) + C(f)
B. P(f) – C(f)
C. P(f) ∙ C(f)
Answer:
The answer is A
Step-by-step explanation:
You are adding the time it takes to make a pizza so it isn't B or C
At Garcia's Bike Rentals, it costs $45 to rent a bike for 8 hours. How many hours of bike use does a customer get per dollar?
Answer:
5
Step-by-step explanation:
Answer:
$0.09/minute
Step-by-step explanation:
$45/8 hours is $5.63 per hour
There is 60 minutes in an hour.
So you do $5.63/60 minutes and it's about $0.09
So it's 9 cents per minute
hope this helps :)
6 + 4y = Y-6
hurry please giving 15 points
Answer:
y= -4
Step-by-step explanation:
The blizzard company sent a survey to their world of warcraft subscribers and asked if they were expected about the up coming expansion. From the survey, 16 people of the 20 people surveyed said they were excited. A) the probability that 2 people were excited without replacement is
Answer:
0.6316
Step-by-step explanation:
The computation of the probability that 2 people were excited without replacement is shown below:
There is a total of 20 people
out of which 16 are excited and the remaining 4 would be non-excited
Now the probability would be
[tex]= \frac{^{16}C_2}{^{20}C_2}[/tex]
= 0.6316
HELP MEEEEE PLEASEEE
Answer:
i do not know but you need to answer you text messages
Step-by-step explanation:
Select all the statements that are true about rhombuses. Group of answer choices
Opposite angles are congruent.
Diagonals are congruent.
Diagonals bisect each angle.
Diagonals are perpendicular.
Opposite sides are parallel.
Step-by-step explanation:
By method of elimination;
- Opposite angles are congruent
Congruent means Equal
This is correct.
- Diagonals are congruent
This is incorrect.
- Diagonals bisect each angle.
This is correct.
- Diagonals are perpendicular.
This is correct.
- Opposite sides are parallel.
This is correct.
Answer:
- Opposite angles are congruent
- Diagonals bisect each angle.
- Diagonals are perpendicular.
- Opposite sides are parallel
plz solve it
all the 3 sub questions
chapter quadrilaterals
9 cbse
Answer:
I edited answer
hope it helped
Which table and graph represent the equation y = 3X?
—————————
a.table B and graph A
b.table B and Graph B
c.table A and graph B
d.table A and graph A
Answer:
d. table A and graph A
Step-by-step explanation:
y=3x
y = 3X is represented by graph B .
y = 3X is represented by table A .
Hence option C is correct .
Given, Equation : y = 3X
Now, to get the values of y substitute x.
Firstly table A:
y = 3X
x = 1 : y = 3
x = 2 : y = 6
x = 3 : y = 9
Thus table A represents the equation .
Next graph B :
Starting point of graph B is origin.
Coordinates of origin : (0,0)
Equation of graph B : y = 3X
Thus graph B represents the equation .
Therefore option C is correct .
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Find the value of 200 + 9 + 0.3 +0.001.
Answer:
209.301
Step-by-step explanation:
what is the sum of 7 and t/2
Answer:
14/2+t/2 so ( 14+t)/2 is the answer
(Look at attached imagine)
Answer:
C. [tex]r=\sqrt[3]{\frac{3V}{4\pi}}[/tex]
Step-by-step explanation:
what would be the reminder of 20,000 divided by 24 ?
Answer:
I think 2500..not sure tho
Step-by-step explanation:
What do these circles have in common?
Answer:
They are all circles? I dont really know how to explain it so that is all I got to say
Step-by-step explanation:
1.) 87.743
2.)123.789
3.) 3256.1254
4.) 102356.78
5.) 78.56
Round to whole number..
Answer:
1.)88
2.)124
3.)3256
4.)102357
5.)79
Step-by-step explanation: