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3 years ago

5

Do this pls 35 points

1 answer:

love history [14]3 years ago

7 0

Answer:

x = 68

Step-by-step explanation:

If you look at the triangle properly, it is a isosceles triangle where two legs are equal to each other.

The answer for x will be:

56 + 56 + x =180

112 + x = 180

x = 68

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Please help me figure out this problem

tiny-mole [99]

Answer:

$f(g(x))=f\left(-\dfrac{3x+21}{5}\right)=x\\\\g(f(x))=g\left(-\dfrac{5}{3}x-7\right)=x$

Step-by-step explanation:

Fill in the given expressions and simplify.

$f(g(x))=f\left(-\dfrac{3x+21}{5}\right)=-\dfrac{5}{3}\left(-\dfrac{3x+21}{5}\right)-7\\\\=\left(-\dfrac{5}{3}\right)\left(-\dfrac{3x}{5}\right)-\left(\dfrac{5}{3}\right)\left(-\dfrac{21}{5}\right)-7\\\\=\dfrac{15x}{15}+\dfrac{5\cdot 21}{3\cdot 5}-7=x+7-7=x$

Going the other way, we have ...

$g(f(x))=\displaystyle -\frac{3\left(-\frac{5}{3}x-7\right)+21}{5}=-\frac{-5x-21+21}{5}=x$

5 0

3 years ago

How many times does 475 go into fat 15,200

dmitriy555 [2]

Divide 15,200 by 475
15200/475= 3200

3 0

3 years ago

A submarine was twenty feet below the surface of the water and descended an additional thirty-two and a half feet. Eventually th

Mariana [72]

Answer:

-12 1/2 feet (12 1/2 feet below the surface).

Step-by-step explanation:

I hope this helps! Have a great rest of your day!

4 0

3 years ago

Math help asap timed 24 points!

S_A_V [24]

3x+8.5 =2.5x + 14.5

subtract 2.5x from each side

.5x + 8.5 = 14.5

subtract 8.5 from each side

.5x =6

multiply by 2

x =12

at 12 weeks they will be the same height

Choice B

3 0

4 years ago

Solve this question with full working and explanation and I will mark you as brainliest.

SVETLANKA909090 [29]

<u>Answer:</u>

The hand moved $\bf \frac{3}{4}$ of a complete turn.

<u>Step-by-step explanation:</u>

The hand moved from 3 to 12, that is, it moved:

12 - 3 = 9 hours

In a clock, 12 hours represent a complete turn.

∴ Using the unitary method:

12 hours ⇒ 1 turn

1 hour ⇒ $\frac{1}{12}$ turns

9 hours ⇒ $\frac{1}{12}$ × 9 = $\frac{9}{12}$

= $\bf \frac{3}{4}$ turns (simplified)

∴ The hand moved $\bf \frac{3}{4}$ of a complete turn.

7 0

2 years ago

Read 2 more answers