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3 years ago

Please help! BRAINLIEST!!!

Mathematics

1 answer:

poizon [28]3 years ago

6 0

Answer:

50. in this graph it is talking about the rate it changed from 1 to 4

Step-by-step explanation:

f(b)-f(a)/b-a

270-120/4-1

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Hannah buys 3 pairs of shoes for $x each. She uses a $10 off coupon. She

iogann1982 [59]

Answer:

$15 per pair

Step-by-step explanation:

We know that the total amount of money she spent on the shoes (without discount) is 3x. Since she used a $10 off coupon, the money she spent is 3x - 10, since $10 off means - 10. And this amount equals $35:

$3x - 10 = 35\\3x = 45\\x = 45/3 \\x = 15$

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3 0

3 years ago

Read 2 more answers

At 8:00, the temperature was -6°. Three hours later, the temperature dropped 13°. What is the temperature at 11:00?

AysviL [449]

Answer:

-19 degrees

Step-by-step explanation:

13+6=19

you would need to add the negative since it said dropped in temperature and the temperature was already negative.

3 0

3 years ago

Find the product (3x + 2)(x ^ 3 - 4x ^ 2 + 7)

schepotkina [342]

Answer:

see attachment

Step-by-step explanation:

5 0

3 years ago

What is the value of x in the diagram below?

VARVARA [1.3K]

Answer:

option B is the right option.

Step-by-step explanation:

<h3>Using leg rule</h3>

$\frac{bc}{ab} = \frac{ab}{bd}$

Plug the values:

$\frac{20}{12} = \frac{12}{x}$

Apply cross product property

$20 \times x = 12 \times 12$

Calculate the product

$20x = 144$

divide both sides of the equation by 20

$\frac{20x}{20} = \frac{144}{20}$

Calculate:

$x = 7.2$

hope this helps..

Good luck...

4 0

3 years ago

Read 2 more answers

7. Mr. Newman bought 8 tickets to a chili supper and spent a total of $30. He bought a combination of adult tickets for $5 each

igor_vitrenko [27]

So, there are two equations.

5a + 3c = 30

a + c = 8, therefore, a = 8 - c

5a + 3c = 30

5(8 - c) + 3c = 30

40 - 5c + 3c = 30

-2c = -10

c = 5 , So a = 3

7 0

3 years ago

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