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Yakvenalex [24]
3 years ago
7

Jenna did 5 sit-ups on Saturday, 7 sit-ups on Sunday, 10 sit-ups on Monday, 14 sit-ups on Tuesday, and 19 sit-ups on Wednesday.

If this pattern continues, how many sit-ups will Jenna do on Thursday?
Mathematics
1 answer:
Otrada [13]3 years ago
5 0
The answer is 25 as the numbers are consecutively being added. so on monday they did 5 and on sunday they did 7 (7-5=2) on sunday they did 7 and on monday they did 10 (10-7=3) and on monday they did 10 and on tuesday they did 14 (14-10=4)
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Mary went up the Old Tower taking 3 steps per second. Then she carefully came down from the tower taking 2 steps per second. It
Inessa [10]

Answer:

old town has 150 steps

Step-by-step explanation:

Let the number of steps in the old tower be m

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In this case, the distance is the number of steps while the speed is the rate of climbing or descending

For climbing, time spent = m/3

For descending time spent = m/2

Since it took her 25 longer when descending;

This means that;

m/2 - m/3 = 25

(3m-2m)/6 = 25

m/6 = 25

m = 6 * 25

m = 150 steps

8 0
3 years ago
A recipe that makes 8 servings calls for 3/5 cup of flour. Jeff modifies the recipe so that it can serve 10. How many cups of fl
Blababa [14]
8 goes with 3/5: 10 goes with n     (n being the number of cups)

\frac{8}{3/5}  =  \frac{10}{n}

Use cross products and we get  8n = 6
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<u>8n</u>  = <u>6
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8 0
3 years ago
Which expression is equivalent to 9a + 12?
Veronika [31]

Answer:

3(3a+4)

Step-by-step explanation:

3(3a+4)

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4 0
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Answer:

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Step-by-step explanation:

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Solve the inequality graph the solution set and write it in interval notation x-6&lt;5(x+2)
ANEK [815]

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x-5x>10+6

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