3 years ago

Question is in photo. Thanks

Mathematics

1 answer:

lana66690 [7]3 years ago

7 0

Answer:

what do you mean for this question. What do you need help on?

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If g(x)=7x²−4x−3 and h(x)=5x²−12x, find (h∘g)(1) FIRST BEST ANSWER BRAINLIEST

AURORKA [14]

Answer: See below

Step-by-step explanation:

$h\:\circ \:g=h\left(g\left(x\right)\right)$

$=5\left(7x^2-4x-3\right)^2-12\left(7x^2-4x-3\right)$

$=5\left(7x^2-4x-3\right)\left(7x^2-4x-3\right)-12\left(7x^2-4x-3\right)$

$=245x^4-280x^3-130x^2+120x+45-84x^2+48x+36$

Simplify:

$=245x^4-280x^3-214x^2+168x+81$

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3 years ago

Write an equation to represent the following statement. j is 25 more than 3 Solve for j

OverLord2011 [107]

Answer:

j=3+25, here's the equation

Step-by-step explanation:

J=28

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3 years ago

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What is the measure of angle C?

quester [9]

Answer:

C = 10.39

Step-by-step explanation:

We know that the sin of an angle is the opposite side over the hypotenuse

sin C = 22/122

sin C = 11/61

Take the inverse sin of each side

sin ^-1 (sin C) = sin ^-1 ( 11/61)

C = 10.38885782

To the nearest hundredth

C = 10.39

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3 years ago

3x-7=4-8x solve the equation

Virty [35]

Answer:

x=1

Step-by-step explanation:

3x-7 =4 - 8x

3x+8x =4+7

11x= 11

x=1

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3 years ago

30 Points Solve for x. 8x2−3=2 x=±10√4 x=±10√2 x=±5√2 x=±5√4

ANTONII [103]

Answer:

$x=(+/-)\frac{\sqrt{10}}{4}$

Step-by-step explanation:

we have

$8x^{2}-3=2$

adds 3 both sides

$8x^{2}=2+3$

$8x^{2}=5$

Divide by 8 both sides

$x^{2}=5/8$

square root both sides

$x=(+/-)\sqrt{\frac{5}{8}}\\ \\x=(+/-)\frac{\sqrt{5}}{2\sqrt{2}} \\ \\x=(+/-)\frac{\sqrt{10}}{4}$

5 0

3 years ago