2 years ago

FIRST ANSWER GETS THANKS & BRAINLIEST

Mathematics

1 answer:

Rufina [12.5K]2 years ago

3 0

Its Y= -x + 9
The slope is 1 and since the graph is going down, the slope must be a negative

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Using f(x)=2x^2 and g(x)=3x+4. whats (g of f)(5)? <br>whats (f of g)(5)?

3241004551 [841]

Answer:

f(g(x)) = 722, and g(f(x)) = 154

Step-by-step explanation:

f(x) = 2x²

g(x) = 3x + 4

g(f(x)) = 3(2x²) + 4

g(f(5)) = 3(2 × 5²) + 4

g(f(5)) = 3(2 × 25) + 4

g(f(5)) = 3 × 50 + 4

g(f(5)) = 154

f(g(x)) = 2(3x + 4)²

f(g(5)) = 2(3 × 5 + 4)²

f(g(5)) = 2 × 19²

f(g(5)) = 2 × 361

f(g(5)) = 722

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2 years ago

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3 years ago

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wolverine [178]

Answer:

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Step-by-step explanation:

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2 years ago

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If the length of the legs of a right triangle are 5 m and 7 m, what is the length of the hypotenuse?

irakobra [83]

Answer:

$c = 8.60232526704263$

$c \approx8.6$

Step-by-step explanation:

${c}^{2} = {a}^{2} + {b}^{2}$

$c = \sqrt{ {a}^{2} + {b}^{2} }$

$c = \sqrt{ {5}^{2} + {7}^{2} }$

$c = \sqrt{25 + 49}$

$c = \sqrt{74}$

$c = 8.60232526704263$

$c \approx8.6$

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2 years ago

A pedestal for a statue is made with 405 cubic feet of concrete.

Pavlova-9 [17]

Answer:

45 square feet

Step-by-step explanation:

we know that

The volume of the pedestal (rectangular prism) is given by the formula

$V=Bh$

where

B is the area of the rectangular base of pedestal

we have

$V=405\ ft^3\\h=9\ ft$

substitute the given values in the formula and solve for B

$405=B(9)$

$B=405/9\\B=45\ ft^2$

5 0

3 years ago

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