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zalisa [80]
3 years ago
9

Eva begins an 8 week program to improve her health. By the end of first week, she can do 10 sit-ups in a row. By the end of the

second week, she can do 15 sit-ups in a row. By the end of the third week, she can do 20 sit-ups in a row. If Eva continues at this rate, how many sit-ups can she do in a row by the end of the training program?
Mathematics
2 answers:
Pachacha [2.7K]3 years ago
8 0

Answer:

30 fine years ya know I was in England robing a back sooo

Slav-nsk [51]3 years ago
5 0

Answer:

in 8 weeks she can do 45 sit ups

Step-by-step explanation:

add 5 to each week

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4n + 1= 25 how do I solve this and show my work?​
Ipatiy [6.2K]

Answer:

n=6

Step-by-step explanation:

4n + 1= 25

Move constant to the right

4n=25-1

Calculate

4n=25-1

Then divide on both sides

6 0
3 years ago
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What is the area of one of the semicircles at either end of the track
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100 pounds of chocolate is packaged into boxes each containing 1^1/4 pounds of chocolate. Each box is then sold for $1.75. What
sertanlavr [38]

Answer:

$140

Step-by-step explanation:

Total Amount of chocolate = 100 Pounds

Amount of chocolate in one box = 1 1/4 Pounds =  5/4 Pounds

Number of boxes = 100/(5/4) = 80 boxes

Cost of one box = $1.75

Total selling price = 80×1.75 = 140

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8 0
2 years ago
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Find the length of AB. help asap !!!
Stella [2.4K]

Answer:

AB = sqrt 74 = 8.602

Step-by-step explanation:

simple:

a^2+b^2=c^2

5^2+7^2=74

ab=sqrt 74

Formula :

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Solution :

Distance between two points = √(8−3)2+(2−9)2(8-3)2+(2-9)2

= √52+(−7)252+(-7)2

= √25+4925+49

= √7474 = 8.6023

Distance between points (3, 9) and (8, 2) is 8.6023

3 0
2 years ago
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galina1969 [7]
The rate of giant tortoise is 1/10 meters per each second.
The rate of cooter turtle is 1/2 meters per each second.

How long would it take a giant <span>tortoise to travel 5 meters?
1 second : 1/10 m = X : 5 m
1/10x = 5
x = 50 seconds

How much longer would it take a giant tortoise than a cooter turtle to travel 10 meters on land?
1 second : 1/2 m = X : 10 m
1/2x = 10
x = 20 seconds

So the giant turtle can travel 5 meters in 50 seconds.
</span><span>So the cooter turtle can travel 10 meters in 20 seconds.</span>
6 0
3 years ago
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