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2 years ago

Which equation represents the line shown on the coordinate grid below?

Mathematics

1 answer:

kondor19780726 [428]2 years ago

5 0

I thinks it’s A or C )) but it’s not b or d, I’m pretty sure. So imma go with A or c

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If y varies directly as the x^2 and y = 200 when x = 5, what is the value of y when x = -3?

gayaneshka [121]

As the variation is direct we have:
$y = kx ^ 2
$
We must find the value of k.
For this, we use the following data:
y = 200 when x = 5
Substituting values we have:
$200 = k5 ^ 2
$
Clearing k:
$k = 200/5 ^ 2

k = 200/25

k = 8$
Then, the function is:
$y = 8x ^ 2
$
We evaluate the function for x = -3
$y = 8 (-3) ^ 2

y = 8 (9)

y = 72$
Answer:
the value of y when x = -3 is:
c.
72

6 0

3 years ago

You are randomly selecting 3 cans of regular and diet cola, but assume that there are 6 cans of regular cola and 7 cans of diet

gayaneshka [121]

Answer:0.367

Step-by-step explanation:

Given

There are 6 cans of regular and 7 cans of diet cola

number of ways of selecting 2 regular colas and 1 can of diet cola is

$\Rightarrow ^6C_2\times ^7C_1$

The total no of ways of selecting 3 items out of 13 items is

$\Rightarrow ^{13}C_3$

Probability is

$\Rightarrow P=\dfrac{^6C_2\times ^7C_1}{^{13}C_3}=\dfrac{105}{286}\\\Rightarrow P=0.367$

6 0

2 years ago

Evaluate the function with the given value.

Vadim26 [7]

h= 0

Substitute 3 in the equation

h = {2(3) + 1 }/3-3

h = 7/0

h = 0

Therefore h is 0

7 0

1 year ago

Help me out plssssss and thanks !!!!!!!

Drupady [299]

Answer:

arc AB = 142

Step-by-step explanation:

The angle of AB is 180 -38 = 142

The arc is the same measure since the angle is a central angle

arc AB = 142

5 0

3 years ago

Can I get some help please 11 and 12

Xelga [282]

#11 is 2 ounces because there are 16 ounces in 1 pound and if u add all the #rs you get 32, divide by 16 and u get 2.
#12 is 10 ounces because when u add the #rs up u get 54. u subtract that from 64 because that's how many ounces are in 4 pounds, so ur answer is 10

6 0

3 years ago

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