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3 years ago

In evaluating the expression 1/4 (-8)+22, frank found the value to be 24.

1 answer:

7 0

The answer is C.I solved the problem and got 20, so after i tried all the multiple choice i got C to be the correct answer.

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8. Find the measure of each numbered angle in the figure.

Nesterboy [21]

Answer:

m∠1 = 85°, m∠2 = 85°, m∠3 = 64°, m∠4 = 31°

Step-by-step explanation:

1. Since ∠3 and the angle labeled 64° are vertical, they are congruent, therefore m∠3 = 64°

2. By the same logic, since ∠4 and the angle labeled 31° are vertical, they are also congruent, meaning m∠4 = 31°

3. ∠4, ∠1, and 64° make up 180°, thus a straight line around them, so m∠1 + 31° + 64° = 180° --> m∠1 = 85°

4. ∠1 and ∠2 are vertical, so they are congruent, meaning m∠2 = 85°

4 0

3 years ago

7 times a number greater than 15 is 8

MrMuchimi

Answer:

the answer is True

Step-by-step explanation:

6 0

3 years ago

Three fewer than one fourth of x is 12

Wittaler [7]

The answer is 1/4 x - 3 = 12

6 0

4 years ago

What is x given ABC~DBE.<br> Show your work

alexandr1967 [171]

x = 37.5 (or) $\frac{75}{2}$

Solution:

Given $\triangle A B C \sim \triangle D B E$

AC = 50, DE = 30, EC = 25, BE = x, BC = 25 + x

To find the value of x:

Property of similar triangles:

If two triangles are similar then the corresponding angles are congruent and the corresponding sides are in proportion.

$$\frac{BE}{BC} =\frac{DE}{AC}$

$$\frac{x}{25+x} =\frac{30}{50}$

Do cross multiplication, we get

$50x=30(25+x)$

$50x=750+30x$

Subtract 30x from both sides of the equation.

$20x=750$

Divide by 20 on both sides of the equation, we get

x = 37.5 (or) $\frac{75}{2}$

Hence the value of x is 37.5 or $\frac{75}{2}$ .

5 0

4 years ago

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RideAnS [48]

$4.99 for each pair of socks

7 0

3 years ago

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