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2 years ago

12

What is x? 5x+4-367x2=45Dont forget to use MDAS

1 answer:

muminat2 years ago

8 0

I'm pretty sure it is 155

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How in the world do I answer this problem??

galben [10]

Answer:

22

Step-by-step explanation:

ST is y and SU is 2y-4.

Note that SU = ST + TU = y + 18

So we have 2y - 4 = y + 18

2y - 4 = y + 18

2y = y + 22

y = 22

So ST is 22.

:)

4 0

2 years ago

One angle of a right triangle measures 7º. What is the measure of the other acute angle?

ratelena [41]

Let other be x

Using angle sum property

$\\ \rm\Rrightarrow x+7+90=180$

$\\ \rm\Rrightarrow x+97=180$

$\\ \rm\Rrightarrow x=180-97$

$\\ \rm\Rrightarrow x=83°$

3 0

2 years ago

Evaluate 5 + 2(x + 7)2 for x = -4.<br> O A. 23<br> O B. 13<br> O C. 18<br> O D. 63

dusya [7]

Hey there! :)

Answer:

A. 23.

Step-by-step explanation:

Given:

5 + 2(x + 7)² for x = -4

Substitute in -4 for x in the equation:

5 + 2((-4) + 7)²

5 + 2(3)²

5 + 2(9)

5 + 18 = 23.

Therefore, the correct answer is A. 23.

7 0

2 years ago

Read 2 more answers

I need help with this too.

STALIN [3.7K]

Answer:

the answer is D

hope that helps

Step-by-step explanation:

7 0

2 years ago

Translate The quotient of a number b and 7 is less than 23.

pentagon [3]

Answer:

Step-by-step explanation:

b/7<23

3 0

2 years ago