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3 years ago

Select the correct answer.

Mathematics

1 answer:

Llana [10]3 years ago

4 0

Answer: D. 1/5

Point slope form is written as y - y1 = m(x-x1).

The m stands for the slope, so the 1/5 is your slope in this case.

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Answer:y=4 x=3

Step-by-step explanation:9(-9+3y)-4y=11

-81+27y-4y=11 23y=92 y=4 x=3

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3 years ago

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Determine if the relationships are linear and if so are they proportional

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Y=2-x^2
Vertex ( 0, 2 )
Focus : ( 0, 7/4 )
Axis of symmetry : x = 0
Directrix : y = 9/4

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2 years ago

Francis earned the following scores on his math quizzes: 86, 84, 90. Jillian earned the following scores on her math quizzes: 84

vitfil [10]

Answer:

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{\color{#c92786}{3(2x+5)}}=-7(2x-10)+5

3(2x+5)=−7(2x−10)+5

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Step-by-step explanation:

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3 years ago

Rachel’s free-throw average for basketball is 60%. Describe how you can use 10 index cards to model this situation. Then use a s

Thepotemich [5.8K]

1. If Rachel's free-throw percentage is 60%, you can take 4 index cards away since 100 - 40 = 60%. For example, if those 10 index cards represent 10 free-throws, and her percentage is 60%, just take 60 away from the total (100%).

2. For the simulation, it's the same as problem 1. Since 50 is the total amount of shots she is going to take, and you know she is going make 60% of them, take 60% from 50 which gives you 30. That means she will make 30 of them and miss 20 of them

I hoped I helped

X8lue83rryX

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3 years ago

Could someone explain/answer these?

julsineya [31]

f(x) = x² + 9 g(x) = 24 + 4x

f(4) = (4)² + 9 g(-1) = 24 + 4(-1)

= 16 + 9 = 24 - 4

= 25 = 20

$\frac{f(4)}{g(-1)} = \frac{25}{20} = \frac{125}{100} = 1.25$

****************************************************************

g(x) = 2ˣ - 4 f(x) = 4x² - 5x - 5

g(6) = 2⁶ - 4 f(-5) = 4(-5)² - 5(-5) - 5

= 64 - 4 = 100 + 25 - 5

= 60 = 120

$\frac{g(6)}{f(-5)} = \frac{60}{120} = \frac{1}{2} = 0.5$

***************************************************************

f(x) = (3x + 7)²

f(1) = (3(1) + 7)²

= (3 + 7)²

= (10)²

= 100

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3(6)(-2) + 2(6)² - (-2)³

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36 + 8

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4 years ago

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