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3 years ago

12

Help me please thanks

1 answer:

Stolb23 [73]3 years ago

7 0

The sum angle of triangle is 180°

The angle of line is 180°

The right angle is 90°

x=180-115

x=65°

y=180-65-90

y=90-65

y=25

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If 5x+6=10, what is the value of 10x+3?<br><br> A) 4<br> B) 9<br> C) 11<br> D) 20

mart [117]

$5x+6=10$
$5x=10-6$
$5x=4$
$x=4/5$

If we substitute the value of x into the second equation

$10x+3$
$10\times 4/5+3$
$8+3=11$
Therefore, your solution is 11

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3 years ago

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Answer:

Step-by-step explanation:

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$\sqrt{(9)^{2}}$

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3 years ago

Consider the parallelogram shown below whose area is 40 square centimeters and height is 8 centimeters. The missing base in the

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5

Step-by-step explanation:

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4 years ago

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3 years ago

How can (4x⁵/2x²)³ be solved in 2 different ways

Margaret [11]

We assume that we need to simplify the expression in two different ways.

Answer:

One way: Raise both, the numerator and denominator, to the third power, and then simplify the expression.

Second way: Simplify the terms inside parentheses, and then raise the result to the third power.

The result of both ways is the same: $\\8x^{9}$

Step-by-step explanation:

<em>One way</em>

Raise both, the numerator and denominator, to the third power, and then simplify the expression:

$\\ (\frac{4x^{5}}{2x^{2}})^{3}$

$\\ (\frac{64x^{5*3}}{8x^{2*3}})$

$\\ (\frac{64x^{15}}{8x^{6}})$

$\\ \frac{64}{8}\frac{x^{15}}{x^{6}}$

$\\8x^{9}$

This is the first simplification.

<em>Second way</em>

Simplify the terms inside parentheses, and then raise the result to the third power.

$\\ (\frac{4x^{5}}{2x^{2}})^{3}$

$\\ (\frac{4}{2}*\frac{x^{5}}{x^{2}})^{3}$

$\\ (2*x^{5-2})^{3}$

$\\ (2*x^{3})^{3}$

$\\ (2^{3}*x^{3*3})$

$\\ (8*x^{9})$

or $\\ 8x^{9}$ .

3 0

3 years ago