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Andrew [12]
3 years ago
5

Find the value of x. A)21 B)27 C)31 D)34

Mathematics
2 answers:
wariber [46]3 years ago
8 0

Answer:

C

Step-by-step explanation:

BC its backwards den the 1+3x

White raven [17]3 years ago
7 0
A) 21
explanation: we know the angle is 64° so i subtracted 1 and then divided that number by three.
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What's 6 to the power of 900?​
zheka24 [161]

Answer:

5400

Step-by-step explanation:

6x900 =5400 this is the correct answer

4 0
3 years ago
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Y is inversely proportional to x, when Y = 2, x = 4.<br><br>Find the value of x when Y = 4.
ratelena [41]

The value of x when y =4 is 2

<h3>How to solve for x?</h3>

An inverse proportion is represented as:

k = yx

Where

k represents the constant of proportion

When y = 2, x = 4.

So, we have:

k =2 * 4

k = 8

Substitute k = 8 in k = yx

So, we have:

yx = 8

When y = 4, we have:

4x = 8

Divide by 4

x = 2

Hence, the value of x when y =4 is 2

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8 0
2 years ago
What is the exact value of 112-25425×34​
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Answer -864338

Step-by-step explanation:

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3 0
3 years ago
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Show how to find the roots (zeros) of the function in the picture below.
Vikki [24]

Answer:

The roots (zeros) of the function are:

x=5,\:x=-8

Step-by-step explanation:

Given the function

f\left(x\right)=x^2+3x-40

substitute f(x) = 0 to determine the zeros of the function

0=x^2+3x-40

First break the expression x² + 3x - 40  into groups

x² + 3x - 40 = (x² - 5x) + (8x - 40)

Factor out x from x² - 5x:  x(x - 5)

Factor out 8 from 8x - 40:  8(x - 5)

Thus, the expression becomes

0=x\left(x-5\right)+8\left(x-5\right)

switch the sides

x\left(x-5\right)+8\left(x-5\right)=0

Factor out common term x - 5

(x - 5) (x + 8) = 0

Using the zero factor principle

if ab=0, then a=0 or b=0 (or both a=0 and b=0)

x-5=0\quad \mathrm{or}\quad \:x+8=0

Solve x - 5 = 0

x - 5 = 0

adding 5 to both sides

x - 5 + 5 = 0 + 5

x = 5

solve x + 8 = 0

x + 8 = 0

subtracting 8 from both sides

x + 8 - 8 = 0 - 8

x = -8

Therefore, the roots (zeros) of the function are:

x=5,\:x=-8

6 0
2 years ago
5 + 1
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f(S) = {s
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