3 years ago

HELP PLEASE ASAP!!!!!!!!

Mathematics

2 answers:

Nadya [2.5K]3 years ago

8 0

unsure on last one

lesya692 [45]3 years ago

4 0

Last one should be A

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What is a number line for 5a + 18 < -27?

Colt1911 [192]

Step-by-step explanation:

$5a + 18 < - 27 \\ \\ \therefore \: 5a < - 27 - 18 \\ \\ \therefore \: 5a < - 45 \\ \\ \therefore \: a < \frac{ - 45}{5} \\ \\ \therefore \: a < - 9$

8 0

3 years ago

Lucy collects data from a random sample of seventh-graders. Out of 40 respondents, 7 attend after-school programs. Of the 200 se

Shalnov [3]

Answer:

Step-by-step explanation:

For every 40 students, you add 7

Ratio:

Students : Students in afterschool programs

40:7

80:14

120:21

160:28

200:35

8 0

3 years ago

I NEED HELP IMMEDIATELY

stepan [7]

Answer:

Between 80 and 160

Step-by-step explanation:

this is such a bad graph i honestly could not give you an exact answer

6 0

3 years ago

A hole is poked in a balloon so that every minute the balloon loses 3/10ft 3 of air. What is the total change in the number of c

GaryK [48]

5/9 minutes

amount lost=times times amout lost per unit of time
amount lost=5/9 times 3/10
amount lost=15/90
amount lost=5/30
amount lost=1/6

answer is 1/6 ft³ of air

6 0

4 years ago

Please help asap!

Alexeev081 [22]

Answer:

61.12

Hope this helps :3

3 0

3 years ago