Mathematics High School

stion 2
What is the value for y in the following expression
when x = 20
y= -2x + 8

Answers

Answer 1

See attachment for math work and answer.

Stion 2What Is The Value For Y In The Following Expressionwhen X = 20y= -2x + 8
Answer 2
The value of y= -32 when x= 20

Related Questions

Use the Distributive Property to simplify 17(2b + 3)​

Answers

the answer is 34b + 51

Answer:

34b+51

Step-by-step explanation:

When you distribute, you multiply the number on the outside of the parentheses by everything inside of the parentheses. So...

17(2b+3)​

34b+51

Because you can't tell what x is, this is the most simplifying you can do.

Hopefully this helped you out...have an amazing day :3

Area of dog crate
6 meters and 4 meters

Answers

Answer:

24 meters

Step-by-step explanation:

L × W = A6 × 4 = 24 meters

I hope this helps!

Answer:

24 meters

Step-by-step explanation:

you do 6 times 4

What is the value of x?
G
Yo
530
45°
F
H

Answers

Answer:

Don t get the question

Step-by-step explanation:

HELPP PLZ (12 points btw)

Which of the following is most likely the next step in the series?

Answers

It’s most likely Letter B
It is letter B as you can see in the middle of the series it’s double red then double blue and then red so I think the next one would be red and then blue.

someone help me please​

Answers

Answer:

1) ZYU

2) ZY

3)TX

Step-by-step explanation:

U look at one segment and see whats the opposite almost like a reflection (make sure u double check the first one)

Answer:

plane ZYU

line ZY

line TX

Step-by-step explanation:

change 84cm into mm​

Answers

840mm would be the correct answer

Answer:

840mm

Step-by-step explanation:

There are 10mm in 1cm, so all you have to do is multiply 84 by 10, which is 840. 84cm=840mm

Have a great day...I hope this helped you :3

What is 5.6 x 10 to the 5th power in standard notation ?

A. 0.000056
B. 560,000
C. 5.6 to the 5th power
D. 5,600,000

Answers

Answer:

B. 560000

Step-by-step explanation:

You move the decimal over 5 times to the right and there is your answer

Find the product.
-10 X (-3) X9 =

Answers

Answer:

270

Step-by-step explanation:

[tex] - 10 \times ( - 3) \times 9[/tex]

[tex]30 \times 9[/tex]

[tex]270[/tex]

Answer:

The answer is Answer = 270x

A local band is being paid $250 for performing, they receive $2 for each ticket sold.
The chart shows the bands total pay for the first 5 tickets sold.

Tickets sold: Bands pay
1 $250+$2(1)
2 $250+$2(2)
3 $250+$2(3). 4 $250+$2(4)
5 $250+$2(5)

Write an expression for the bands total pay for x number of tickets sold.

Answers

Answer:

$250+$2(x) = Total amount paid

Step-by-step explanation:

$250 is the initial amount. They earn $2 per person. The $250 is a flat amount that doesn't change. $2 is paid per person, so you multiply $2 by the amount of tickets sold.

$250 + $2(x) = Total amount paid

Which of the following equations does not represent the sinusoidal function graphed below?
y = -2sin2x
y = 2sin2x + pi/2
y = 2sin2(x +pi/2 )
y = 2sin(2x + π)

Answers

Answer:

y = 2sin2 x + pie/ 2

Step-by-step explanation:

Answer: y= 2sin2(x +pi/2 )

20b-16




Please help I will mark you

Answers

Hey :)

20b−16


Factor out 4

= 4(5b−4)

Hope this helps :)

On their last history test, Eric scored five more than twice the points that his friend Josh did. If they scored 134 points altogether, find Eric’s score
plz i need help ASAP

Answers

Answer: Eric got a 91

Step-by-step explanation:

Make two equations:

We know Eric scored 5 points more than 2 times Josh’s score. E=Eric J=josh

Equation: E = 5 + 2(J)

E + J = 134

Solve for E:

J= 134 - E

Plug it into first equation: E= 5+ 2(134-E)

E= 5+(268-2E) add 2E from each side

E+ 2E = 268 + 5 reduce

3E = 273 divide by 3 to find Eric score

E= 91

You can plug it back in to find what josh received 134-91 = 43

To fact check if you multiple josh score of 43 by 2 you receive 86 which is indeed 5 points lower that 91 so it’s correct.

Factor complete x^2 +2x-15

Answers

Answer:

( x - 3 ) ( x + 15 )

Step-by-step explanation:

Answer:

3  and  5 , as  − 3 + 5 = 2  

∴ ( x − 3 ) ( x + 5 )

Carson was shopping online for bow ties to wear with his school uniform he bought a certain number of ties that each cost $12.50 and paid a flat rate of 19 for shipping and handling he has 220 in his bank account before buying the tie write the expression to represent how much money Carson spell on low tide be sure to Define your variable

Answers

Given :

Carson was shopping online for bow ties to wear with his school uniform he bought a certain number of ties that each cost $12.50 and paid a flat rate of 19 for shipping and handling.

He has $220 in his bank account before buying the tie.

To Find :

Maximum number of ties he can buy.

Solution :

Let, price of buying x ties is y.

y = 19 + (12.50)x

It is given that he has $200 in his bank account.

So, price of buying tie ≤ $200

y ≤ 200

19 + (12.50)x ≤ 200

(12.50)x ≤ 200 - 19

x ≤ 14.48

Since, number of tie cannot be in decimal.

x ≤ 14

Therefore, maximum tie he can buy is 14.

Hence, this is the required solution.

HELP PLEASE HELP I’m doing geometry please help

Answers

Answer:

(4x - 10) + x = 90 degrees

x = 20

John bought a new TV. The tag in the shop said it cost £299 + VAT.
If VAT is charged at 20%, how much did he pay (to the nearest penny)?​

Answers

Answer:

59.8

Step-by-step explanation:

20÷100×299

0.2×299

59.8

Javier works 2 and 2 over 5 hours on Monday and 3 hours on Tuesday. His pay rate is $10.25 per hour. How much will be paid, in dollars for working on Monday and Tuesday?

Answers

I don't really understand the "2 and 2 over 5 hours" part Javier will be paid 30.75 for Tuesday.

Jane baked the kinds of fruit bars shown in the table below.

Kind of Fruit Bar Number
Apple

51
Peach

36
Plum

84
Part A

Jane wants to make baskets of the fruit bars, and she wants to divide each kind of fruit bar equally among the baskets. What is the maximum number of baskets can she make?

Answers

Answer:

I THINK the answer is 57

Step-by-step explanation:

Add 51 + 36 + 84

Divide 171 by 57

57 is the most that can go into 171 evenly.

Which of the following statements demonstrates the identity property of multiplication?
A.-5(18) = -5(20 - 2)
B. (-4)(1) = 4
C.7.-8=.8.7
D.9.(2.7) = (92) - 7

Answers

Answer:

B i think

Step-by-step explanation:

The product of 1 and any number is the number (hence why it is most likely b). But instead of it being 4, it would be -4 because multiplying a negative by a positive results in a negative.

Help me solve this problem please please

Answers

Answer: D. x > -1

Step-by-step explanation:

Doug is a zookeeper in charge of monitoring the "aquatic" section at the North End Zoo. A baby dolphin was born on Wednesday and weighed 31 pounds. The dolphin is growing at an average rate of 2.3lbs per day. Write a function that can be used to find the weight, w(x), of the dolphin after x, days.

Answers

Answer:

w(x)=2.3x+31

Step-by-step explanation:

From the information given, the function would indicate that the weight of the dolphin after x days would be equal to the 31 pounds the baby weighed when it was born plus 2.3 lbs that is the average rate it is growing for the number of days:

w(x)= 2.3x+31, where:

w(x)= weight of the dolphin

x=number of days

which of the rational numbers -11/28,-5/7,9/-14,29/-42
is the greatest?​

Answers

Answer: -5/7

Step-by-step explanation:

-11/28 = -0.39

-5/7 = -0.71

9/-14 = -0.64

29/-42 = -0.69

Out of these, -5/7 is the greatest rational number, even if they are all negative.

Hope this helps!

Incorrect
00:00
The map shows the beach area on a coordinate plane.
Find the distance from the car to the cabana and then from the cabana to the beach.
Car
3-
Cabana
Beac
-5
-3
101
2
3.
5.


Answers

Answer:

I really need help on this one but I got 9 could you tell me if it’s right?

Step-by-step explanation:

What is the equation of the following graph

Answers

Answer:

y=1 is the equation! :))

Step-by-step explanation:

7. Numericals
(a) A box has length 50 cm, breadth 20 cm and height 10 cm, then find
(i) its surface area of base;
(ii) its volume
(1000 cm², 100000 cm3)​

Answers

Answer:

i = 1000cm2

ii = 100000cm3

Step-by-step explanation:

for q i

surface area of base = l* b

= 50* 20

1000cm^2

for q 2

volume l*b*h

= 50*20*10

= 100000cm^3

hope it will be helpfull

You are on a road trip and need to travel 300 km. The speed limit is 80 km/hr. How
long will it take you to make the trip?

Answers

Answer:

3 3/4 or 3.75 hours.

Step-by-step explanation:

If you need to travel 300 km, assuming you are going at the speed limit, you take the total amount and divide it by that.

300 / 80 = 3.75 hours

You earn $9.20 per hour at your summer job. Identify an inequality that represents the number p of hours you need to work in order to buy a smart phone that costs $299. Item 6 Question 1 You earn $9.20 per hour at your summer job. Identify an inequality that represents the number p of hours you need to work in order to buy a smart phone that costs $299.

Answers

Answer:

32 hours 30 min

Step-by-step explanation:

Given that your hourly pay is $9.20

say that you work for p hours, then your pay will be 9.20p

we know that p is the number of hours worked.

therefore, to earn  $299 you will need to work

299=9.20p-------1

Solving for p we have to divide both sides by 9.20

299/9.20=p

p=32.5

So you have to work 32 hours 30 min to earn $ 299

The work is doing 32 hours and 30 minutes to earn  $ 299.

Given that:

Your hourly pay is equal to $9.20

Assume that you work for p hours, then your pay will be 9.20p

Also know that p is the number of hours worked.

Therefore, to earn  $299 you will need to work

299=9.20p                   (1)

Solving for p we have to divide both sides by 9.20

299/9.20=p

p=32.5

So, to work 32 hours 30 min to earn $ 299.

Learn more about Divided here:

brainly.com/question/15381501

#SPJ6

Determine the measure of ∠Y. images attached

Answers

Answer:

The answer is option C

Step-by-step explanation:

Since it's a right angled triangle we can use trigonometric ratios to find the value of ∠Y

To find the value of ∠Y we use tan

We have

[tex] \tan(∠Y) = \frac{25}{20} \\ \tan(∠Y) = \frac{5}{4} \\ ∠Y = { \tan^{ - 1} } \frac{5}{4} \\ ∠Y = 51.34019...[/tex]

We have the final answer as

51.34°

Hope this helps you

Answer:

C

Step-by-step explanation:

Using the tangent ratio in the right triangle

tanY = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{XZ}{XY}[/tex] = [tex]\frac{25}{20}[/tex] , thus

∠ Y = [tex]tan^{-1}[/tex] ( [tex]\frac{25}{20}[/tex] ) ≈ 51.34° → C

4[(10-4)2 ÷4]
A.9
B.6
C.12
D.36​

Answers

Answer:

C.12

Step-by-step explanation:

Answer: C. The answer is 12. Hope this helps.

x3y2-1/4x please solve it fast​

Answers

Answer:

(x,y) = (0,  1/3)

Step-by-step explanation:

  [1]    2x + 3y = 1

  [2]    4x - 6y = -2

Graphic Representation of the Equations :

   3y + 2x = 1        -6y + 4x = -2  

Solve by Substitution :

Solve equation [2] for the variable  x  

 [2]    4x = 6y - 2

 [2]    x = 3y/2 - 1/2

Plug this in for variable  x  in equation [1]

  [1]    2•(3y/2-1/2) + 3y = 1

  [1]    6y = 2

Solve equation [1] for the variable  y

  [1]    6y = 2  

  [1]    y = 1/3  

By now we know this much :

   x = 3y/2-1/2

   y = 1/3

Use the  y  value to solve for  x  

   x = (3/2)(1/3)-1/2 = 0

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