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atroni [7]
2 years ago
15

Which ordered pair would be a solution to the equation y = 2x -9?

Mathematics
2 answers:
netineya [11]2 years ago
6 0

Answer:4,5

Step-by-step explanation: i think this is the answer that or (4.5,0)

Nesterboy [21]2 years ago
4 0

Answer:

(0,−9)

Step-by-step explanation:

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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
3( 5x+10x -2)=<br> I NEED HELP
Anit [1.1K]

Answer:

45x-6

Step-by-step explanation:

math

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5 0
2 years ago
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Rainbow [258]

Answer:

B

Step-by-step explanation:


5 0
3 years ago
A donkey weighs 570 pounds and an elephant weighs 5 tons how much more does the elephant weigh in pounds and ounces?
goldfiish [28.3K]
The elephant weighs 9,430 pounds more than the donkey.
6 0
2 years ago
Select all the expressions that are equivalent to −5/6 / -1/3
Sindrei [870]

Step-by-step explanation:

We need to find an expression for \dfrac{\dfrac{-5}{6}}{\dfrac{-1}{3}}.

We can solve it as follows.

We know that,

\dfrac{\dfrac{a}{b}}{\dfrac{c}{d}}=\dfrac{a}{b}\times \dfrac{d}{c}

So,

\dfrac{\dfrac{-5}{6}}{\dfrac{-1}{3}}=\dfrac{-5}{6}\times -3\\\\=\dfrac{5}{2}

or

=2\dfrac{1}{2}

Hence, this is the required solution.

3 0
2 years ago
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