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Maru [420]
3 years ago
15

Your friend has improved in his math class. On his first test he scored 50 points, and then he scored 53, 56, 59, and 62 points

on his next 4 tests. His tests continued to improve following this pattern. If he took 15 tests, how many points did he score on the last test?
Mathematics
1 answer:
emmainna [20.7K]3 years ago
3 0

Answer:

Step-by-step explanation: I think you skip count by 50s or something like that. So, it has to be 64.

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Mr. Johnson has 4 daughters. Each of his daughters has a brother. How many children does mr. Johnson have?.
777dan777 [17]

Answer:

5

Step-by-step explanation:

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5 0
2 years ago
FInd the sum of the first 20 terms of the series 3+5+7+....?
melamori03 [73]

Answer:

<em>B.) 440</em>

Explanation:

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3 0
3 years ago
What does x+2/5=12 equal and I would love to Seehow you worked it out
sladkih [1.3K]

You said                      x + 2/5 = 12

It might be easier to handle if we use the decimal for 2/5.

                                               x + 0.4 = 12

Subtract 0.4 from each side:  x = 11.6

That's all there is to it.  I'm sorry I can't make it
more complicated for you.

8 0
3 years ago
Read 2 more answers
Which of the following expressions represents the distance between -1/4 and 3/4?
Sliva [168]

Answer:

\large\boxed{C.\ \left|-\dfrac{1}{4}-\dfrac{3}{4}\right|}

Step-by-step explanation:

\text{The formula of a distance between x and y on a number line:}\\\\d=|b-a|=|a-b|\\\\\text{We have}\ a=-\dfrac{1}{4}\ \text{and}\ b=\dfrac{3}{4}.\ \text{The distance:}\\\\d=\left|-\dfrac{1}{4}-\dfrac{3}{4}\right|=\left|\dfrac{3}{4}-\left(-\dfrac{1}{4}\right)\right|

3 0
3 years ago
Read 3 more answers
There are approximately 2.4 million births in a country each year. Find the birth rate in units of births per minute.
irina1246 [14]

Answer:

4.57 births per minute

Step-by-step explanation:

2.4 million/year * 1year/365days* 1day/24hours * 1hour/60minutes =

2400000/(365*24*60) = 2400000/525600= 4.566births/minute

4 0
3 years ago
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