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vfiekz [6]
2 years ago
13

Find the exact value of x

Mathematics
1 answer:
VikaD [51]2 years ago
8 0

Answer:

Step-by-step explanation:

"x" is geometric mean

x² = 4 × 16

x² = 64

x = 8

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Can someone help quick
9966 [12]

Step-by-step explanation:

22+2x+8= x+20

2x+30=x+20

x+30=20

x=-10

answer is -10

3 0
2 years ago
For what value of x is the rational expression below equal to zero?
pentagon [3]

Answer:

A.-10 should be the answer to the question..

6 0
3 years ago
Let f(x) = x − 2 and g(x) = x^3. What is (f ◦ g)(2)?
BlackZzzverrR [31]
The answer to this question is - 3
8 0
3 years ago
Solve the equation using square roots. X^2+16=0
alexgriva [62]

Answer:

<u>The answer is :</u>

<u>x₁ = 4</u>

<u>x₂ = -4</u>

Step-by-step explanation:

Let's solve the equation using square roots.

X^2+16=0

x² + 16 = 0

x² = -16 (Adding 16 at both sides of the equation)

√x² = i√16 (Square root to both sides of the equation)

x = +/- 4i (Roots of the solution)

<u>x₁ = 4i</u>

<u>x₂ = -4i</u>

5 0
3 years ago
Read 2 more answers
Darell parks his car in a parking garage. The garage charges a certain amount for the first hour and an hourly rate for each add
mestny [16]

Answer:

charges for the first hour = $7.55

charges for each additional hour = $1.55

c = 1.55h + 7.55

Step-by-step explanation:

Let

x = charges for the first hour

y = charges for each additional hour

x + 2y = 10.65 (1)

x + 5y = 15.30 (2)

Subtract (1) from (2)

5y - 2y = 15.30 - 10.65

3y = 4.65

y = 4.65/3

= 1.55

y = $1.55

Substitute y = 1.55 into

x + 2y = 10.65

x + 2(1.55) = 10.65

x + 3.10 = 10.65

x = 10.65 - 3.10

= 7.55

x = $7.55

c = 1.55h + 7.55

3 0
3 years ago
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