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3 years ago

What is the most common number of sit-ups completed in 1 minute? Explain how you used the dot plot to identify this number.

Mathematics

2 answers:

ioda3 years ago

8 0

Answer:

Heya

Step-by-step explanation:

the most common number of sit-ups completed in 1 minute is 38

hope it will be helpful :)

3241004551 [841]3 years ago

7 0

Answer:

38.

Step-by-step explanation:

38 is the highest column in the plot.

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Which expression is equivalent to 3(4m - 5 )?

Ivanshal [37]

Answer:

12m -15

Step-by-step explanation:

Distribute

3(4m-5)

3*4m -3*5

12m -15

5 0

3 years ago

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Kayla wants to find the width, AB, of a river. She walks along the edge of the river 65 ft and marks point C. Then she walks 25

AlladinOne [14]

Answer:

Part A) The triangles ABC and EDC are similar by AAA, because the three internal angles are equal in both triangles

Part B) The width of the river is about $39\ ft$

Step-by-step explanation:

we know that

If two triangles are similar, then the ratio of its corresponding sides is equal and its corresponding angles are congruent

Part A) we know that

In this problem , triangles ABC and CDE are similar by AAA, because its corresponding angles are congruent

m<DCE=m<ACB -----> by vertical angles

m<EDC=m<ABC -----> is a right angle

m<DEC=m<CAB -----> the sum of the internal angles must be equal to 180 degrees

Part B) we know that

The triangles ABC and EDC are similar -------> see Part A

therefore

$\frac{BC}{DC}=\frac{AB}{DE}$

substitute the values and solve for AB

$\frac{65}{25}=\frac{AB}{15}$

$AB=15*(\frac{65}{25})=39\ ft$

8 0

3 years ago

A 91 square foot bathroom has a length of 13 feet. what is the width of the bathroom

Radda [10]

<span>The answer is 7 ft. The bathroom has rectangular shape. The area (A) of a rectangle is the product of the width (w) and length (l): A = w * h. The bathroom is rectangular. We know that A = 91 ft^2 and l = 13 ft. Let's substitute them in the formula for the area: 91 ft^2 = w * 13 ft. w = 91 ft^2 : 13 ft. w = 7 ft. The width of the bathroom is 7 ft.Hope this helps. Let me know if you need additional help!</span>

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3 years ago

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Please help and tell me how to do this <br> 20 POINTS

svp [43]

The answers are :
13) 9
14) 200
15) -10
16) -300

17) -276
18) -66

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3 years ago

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If 60% of a number is 8, find 30% of that number.

podryga [215]

60/100 = 8/x

Multiply both sides by 100

60 = 800/x

Multiply both sides by x

60x = 800

Divide both sides by 60

x = 13.3333333333333

0.3 • x = answer

Answer = 4

6 0

2 years ago