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erastovalidia [21]
3 years ago
8

3. Spiral Review: Solve the equation algebraically. Show all work. Circle your final solution.

Mathematics
1 answer:
AlexFokin [52]3 years ago
3 0

Answer:

z=-13/7

Step-by-step explanation:

1. Add 3z(7z+5=-8)

2. Subtract 5(7z=-13)

3. Divide 7(z=-13/7)

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What is the solution to the equation -4(2x+3)=2x+6-(8x+2)
Masja [62]

Answer:

b.)  x = -8

Step-by-step explanation:

Solve  -4*(2x + 3) = 2x + 6 - (8x + 2)

-8x + -12  = 2x + 6 - 8x - 2

-8x - 12 = -6x + 4

-12 = 8x - 6x + 4

-12 = 2x + 4

-12 - 4 = 2x

-16 = 2x

x = -8

4 0
4 years ago
What is the length of the hypotenuse
gayaneshka [121]

Answer:

51

Step-by-step explanation:

Once again use the pythogream therom where C is the hypotenuse.

7 0
3 years ago
The inverse of the function f(x) = x + 10 is shown.
Vadim26 [7]

we have

f(x) = \frac{1}{2}x + 10

Step 1

Let

y=f(x)

y =  \frac{1}{2}x + 10

Exchange the variable x for y and variable y for x

x =  \frac{1}{2}y + 10

Clear variable y

Multiply by 2 both sides

2x =  y + 20

y = 2x-20

Let

f(x)^{-1} =y

f(x)^{-1}=2x-20

therefore

the answer is

the inverse of the function is f(x)^{-1}=2x-20

the missing value is 20



5 0
3 years ago
Read 2 more answers
$2.59<br> $3.86<br> $2.17<br> $3.07
S_A_V [24]

Answer:

2.59

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the slope f(x)= - 4/5x +2
My name is Ann [436]

Answer:

-4/5

Step-by-step explanation:

In a line, the slope is the coefficient to x.

In the standard linear equation, f(x) = mx + b, m is the slope.

Since the equation is f(x)= -4/5x + 2, -4/5 is the slope because it is the coefficient to x.

So, the slope is -4/5

6 0
3 years ago
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