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2 years ago

8

Answer these questions please

2 answers:

OLga [1]2 years ago

5 0

Answer:

I hope it will help you :)

Rama09 [41]2 years ago

4 0

Step-by-step explanation:

find what is common

then bring it out

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The ratio of adults to students on the field trip is 3 to 5. If there are 15 students on the field trip, how many adults are the

Kazeer [188]

Answer:

There are 9 adults

Step-by-step explanation:

3:5 = x:15

3/5 = x/15

3(15) = 5x

5x = 45

x = 9 adults

3:5 = 9:15

4 0

3 years ago

Suppose a classroom teacher wants to measure whether offering candy as a reward will increase the number of times that a student

ahrayia [7]

Answer:

C) Matched pairs

Step-by-step explanation:

Matched samples (also called matched pairs, paired samples or dependent samples) is a type of sampling that involves pairing participants that share every characteristic except for the one under study. The paired participants could be same individuals studied at different time such as:

The study of same participants before and after an interference.
The study of the same participants at two different interference.

5 0

3 years ago

−10x+5=−6x−35 ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo

Zarrin [17]

Answer:

x=10

Step-by-step explanation:

Add 6x to both sides.

−4x+5=−35

Subtract 5 from both sides.

−4x=−40

Divide both sides by -4.

$\frac{-4x}{-4}=\frac{-40}{-4}$

x=10

hope this helps

8 0

3 years ago

Read 2 more answers

Prestige car rentals charge $44 per day plus 6 cents per mile to rent a mid sized vehicle. Gateway auto charges $35 per day plus

bulgar [2K]

Answer:

300 miles

Step-by-step explanation:

Let

x ----> the number of miles

y ----> the total cost for rent a car

we know that

The equation of the line in slope intercept form is equal to

$y=mx+b$

where

m is the slope or unit rate

b is the y-intercept or initial value

<u><em>Prestige car rentals</em></u>

we have that

The slope is equal to $m=\$0.06\ per\ mile$

The y-intercept is $b=\$44$

therefore

$y=0.06x+44$ -----> equation A

<u><em>Gateway auto</em></u>

we have that

The slope is equal to $m=\$0.09\ per\ mile$

The y-intercept is $b=\$35$

therefore

$y=0.09x+35$ -----> equation B

For what number of miles both companies charge the same price>

Equate equation A and equation B

$0.09x+35=0.06x+44$

solve for x

$0.09x-0.06x=44-35\\0.03x=9\\x=300\ miles$

6 0

3 years ago

Which of the following is an irrational number?

dsp73

Answer:

c

Step-by-step explanation:

7 0

2 years ago