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3 years ago

11

Helppppppp me pls :)

1 answer:

fredd [130]3 years ago

5 0

Answer:

3.6

Step-by-step explanation:

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Factor the question completely

Stella [2.4K]

Answer: (2b+7)(5a-3)

7 0

3 years ago

10(8r+23) =1430 <br> HELP PLS ITS FOR MY HW PLS PLS PLS

Mademuasel [1]

Answer:

r = 15

Step-by-step explanation:

10(8r + 23) = 1430

Divide both sides by 10.

8r + 23 = 143

Subtract 23 from both sides.

8r = 120

Divide both sides by 8.

r = 15

7 0

3 years ago

An academic adviser wanted to investigate the amount of money spent by students on textbooks. She randomly sampled 25 students a

ladessa [460]

you should try a bar graph!!!

8 0

3 years ago

What is the measure of angle X

algol [13]

Answer:

30 degrees ???

Step-by-step explanation:

3 0

3 years ago

twenty seven out of forty dentists recommended a certain whitener for teeth. if 1080 dentists recommended the whitener in the su

Anestetic [448]

Answer:

1,600 dentists were surveyed in total.

Step-by-step explanation:

We can set up a proportion for this problem:

$\frac{27}{40} = \frac{1080}{x}\\\\\\$

Now we can cross multiply:

$27*x = 1080*40\\\\27x = 43,200\\\\27x/27 = 43,200/27\\\\x = 1,600$

1,600 dentists were surveyed in total.

3 0

3 years ago