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BaLLatris [955]
3 years ago
14

The following dot plot represents student scores on the Unit 1 math test. Scores are in whole number increments.

Mathematics
1 answer:
ratelena [41]3 years ago
5 0

Answer:

38.3 (idk if it can be a decimal)

i think its 15. dont come at me

18 i think

~s9154499~

~Mia for short~

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What is the solution of 5 = t/2 -3?
Sladkaya [172]

Answer:

t=16

Step-by-step explanation:

you have to change the numbers to get just the variable.

we start from -3.

5=t/2-3

8=t/2

(we multiply by 2 instead of dividing)

8×2=16

t=16

5 0
3 years ago
The table shows the distance Allison drove on one day of her vacation. Is the relationship between the distance and the time a p
Anuta_ua [19.1K]

Answer:

we conclude that the relationship between distance and time is NOT proportional.

Hence, she did not drive at a constant speed.

Step-by-step explanation:

We know that when 'y' varies directly with 'x', we get the equation

y ∝ x

y = kx

k = y/x

where 'k' is called the constant of proportionality.

In our case, the table shows the distance Allison drove on one day of her vacation.

Time (h)              1         2        3          4        5

Distance (mi)       55    100     165     280    250

using the equation

k = y/x

susbtitute y = 55, x = 1

k = 55/1 = 55

substitute y = 100, x = 2

k = y/x

k = 100 / 2 = 50

substitute y = 165, x = 3

k = y/x

k = 165 / 3 = 55

substitute y = 280, x = 4

k = y/x

k = 280 / 4 = 70

substitute y = 250, x = 5

k = y/x

k = 250 / 5 = 50

It is clear that the value of 'k' does not remain constant.

Therefore, we conclude that the relationship between distance and time is NOT proportional.

Hence, she did not drive at a constant speed.

6 0
3 years ago
The equation y = 15.5x represents the number of dollars, y, Worker B earns in x hr.
ira [324]

Answer:

The correct answer is y = 20x.

Step-by-step explanation:

6 0
3 years ago
4) Astronomers have notice that the number of visible sunspots varies from a
Alex

Answer:

Choice D is correct

Step-by-step explanation:

trust me, brainliest pls?

6 0
3 years ago
You can buy pens at a rate of $0.75 per pen. How much is it for 400 pens?
seropon [69]

Answer:

300

Step-by-step explanation:

400 X 0.75 = 300

8 0
3 years ago
Read 2 more answers
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