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Flauer [41]
3 years ago
9

Does anyone know the answer to this question?

Mathematics
1 answer:
Advocard [28]3 years ago
5 0
A
d
e........hope this helps
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The table shows how the number of sit-ups marla does each day has changed over time. at this rate how many sit-ups will she do o
DENIUS [597]
The number of situps form an AP with first term (a) = 17 and common difference (d) = 4

Tn = a + (n - 1)d
T12 = 17 + (12 - 1) x 4 = 17 + 11(4) = 17 + 44 = 61

Therefore, she will do 61 situps on day 12.
5 0
2 years ago
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Translate and simplify the expression the sum of fifteen and a number plus twelve
mr Goodwill [35]
I think it might be 15n + 12 sorry if it’s not
3 0
3 years ago
Sixteen times three eights
ZanzabumX [31]
Um 3 times 3/8 = 1.125
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4 0
3 years ago
How many 4 in. square tiles will it take to cover a room that measures 18 feet by 15 feet
dimaraw [331]

Answer:

67.5 tiles

Step-by-step explanation:   18 times 15 equals 270, and 270 divided by 4 equals 67.5. So it will take 67.5 4in tiles to cover the room.

6 0
3 years ago
Select all that apply.Several pennies are tossed in the air. Twelve land heads up and fifteen land tails up. Which of the follow
OverLord2011 [107]
The information we've been given is:

12 heads
15 tails

From those, we find that there are 12 + 15 = 27 coins.

Let's examine these ratios as such:

- 12 heads to 27 coins -
There are indeed 12 heads and 27 coins, so this comparison agrees with our data.

- 15 tails to 12 heads - 
Again, nothing here contradicts with our data, so this would be correct as well

- 12 heads to 15 tails -
Simply a reversed version of the ratio above; still a completely valid way to compare the relative quantities of heads and tails

- 5 tails to 9 coins -
This one needs a little more examination. We observe that the ratio of tails to coins with our given data is 15 tails to 27 coins. This seems to go against our data, but we can simplify our ratio by dividing both the number of tails and the number of coins by 3, which indeed gives us the ratio 5 tails to 9 coins.

So, all of the given ratios are correct.
3 0
3 years ago
Read 2 more answers
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