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maxonik [38]
3 years ago
13

I don't get this, do you guys think you can solve it?

Mathematics
1 answer:
abruzzese [7]3 years ago
4 0
The answer is a because you can just exit c out and from there its process of elimination
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A test requires that you answer either part A or part B. Part A consists of 7 true-false questions, and part B consists of 5 mul
jeka94

Answer: 3253

Step-by-step explanation:

Given : A test requires that you answer either part A or part B.

Part A consists of 7 true-false questions.

i.e.  there are 2 choices to answer each question.

Now, the number of ways to answer Part A : 2^7=128    (1)

Part B consists of 5 multiple-choice questions with one correct answer out of five.

i.e.  there are 5 choices to answer each question.

Now, the number of ways to answer Part B : 5^5=3125                           (2)

Now, the number of  different ways to completed answer sheets are possible=  128+3125=3253          [Add (1) and (2) ]

5 0
3 years ago
A teacher drove 10 miles a day to and from school. how far did he travel in 7 days.​
charle [14.2K]

Answer:

70

Step-by-step explanation:

6 0
3 years ago
Find the surface area of the composite solid. Round your answer to the nearest hundredth.
iogann1982 [59]

The surface area of the composite solid is 579.84 square feet

<h3>How to determine the surface area of the solid?</h3>

The composite solid that completes the question is added as an attachment

From the attached figure, we have the following figures:

  • Rectangular prism
  • Cylinder

The surface area of a rectangular prism is

A = 2(lw + lh + wh)

Using the dimensions of the prism, we have:

A = 2(6 * 11 + 6 * 8 + 8 * 11)

This gives

A = 404

The surface area of a cylinder is

A = 2πr^2 + 2πrh

Using the dimensions of the cylinder, we have:

A = 2 * 3.14 * 4^2 + 2 * 3.14 * 4 * 5

Evaluate

A = 226.08

The area of the circle between both shapes is

A = πr^2

This gives

A = 3.14 * 4^2

A = 50.24

The surface area of the composite solid is then calculated as:

Surface area = Area of rectangular prism + Area of cylinder - Area of circle

This gives

Surface area = 404 + 226.08 - 50.24

Evaluate

Surface area = 579.84

Hence, the surface area of the composite solid is 579.84 square feet

Read more about surface areas at:

brainly.com/question/76387

#SPJ1

6 0
2 years ago
Simplify.<br><br> 33+5⋅5<br><br><br><br><br> 52<br><br> 58<br><br> 70<br><br> 190
earnstyle [38]

Answer:

38.5 is your answer of this questions

7 0
2 years ago
Read 2 more answers
Jeff campaign 28 ft.² every 15 minutes Angela campaign one 15 ft.² every hour who campaigned faster and by how many square feet
SpyIntel [72]
Angela; 3 square feet per hour
8 0
3 years ago
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