2 years ago

PLEASE HELP!! Which describes the graph of y = (x + 7)^2 - 9?

Mathematics

1 answer:

mezya [45]2 years ago

5 0

Answer:

The answer is D. Vertex at (-7,-9).

Step-by-step explanation:

The equation is in vertex form, so you take the opposite of x and the constant stays the same. So, the opposite of 7 is -7 and -9 stays the same.

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For the equation W = -175t + 8,750, how much water is left after 6 hours?

barxatty [35]

Answer:

7,700

Step-by-step explanation:

-175 x 6 = -1,050

-1,050 + 8,750 = 7,700

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3 years ago

Select all the expressions equivalent to: (4^5)⋅4^3 Group of answer choice 2^14 4^12 2^16 16^8 4^8 16^4

kumpel [21]

Answer:

Choices given as $2^{16}, 4^8$ and $16^4$ are correct.

Step-by-step explanation:

Given expression is,

$(4^5)(4^3)$

By applying law of exponents in the given expression,

$(4^5)(4^3)=4^{5+3}$

$=4^8$

$(4^5)(4^3)=(2^2)^5(2^2)^3$

$=(2^{2\times 5})(2^{2\times 3})$

$=2^{10}\times 2^6$

$=2^{16}$

$=(2^4)^4$

$=(16)^4$

Therefore, choices given as $2^{16}, 4^8$ and $16^4$ are correct.

4 0

2 years ago

You have a summer job that pays double for working overtime. Overtime is determined as the

vfiekz [6]

Answer:

J-o+e m=a+m-a

Step-by-step explanation:D+e_e_z n-u+t-s

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3 years ago

Triple the difference between 32 and 19. A. 3 x (32 -19) B. 32 - 19 x 3 C. 3 x 32-19 D. (3 x 32)-19

Elza [17]

The answer is A 3x(32-19)

Reasoning: Triple the difference of 32 and 19 would be a 3x multiplication of 32-19, you need parenthesis in order to do 32-19 first because of PEMDAS. SO the answer would be 3x(32-19 because none of the other options would show the equation correctly.

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2 years ago

the perimeter of a rectangle is 34 units. it’s width is 6.5 units. write the equation to determine the length of the rectangle

zubka84 [21]

Answer:

4 units

Step-by-step explanation:

Perimeter formula is P = 2L + 2W. Here P = 34 units = 2L + 2(6.5 units).

Reducing this, 17 = L + 13. Then L = 4 units.

4 0

2 years ago