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QveST [7]
3 years ago
8

On a large baking tray, 40 cookies can be baked together. To bake 40 cookies it takes 14 minutes, for baking 80 cookies it takes

28 minutes, for baking 100 cookies it takes 42 minutes. How much time will it take to bake 140 cookies?
A-49 B-56 C-57 D48
Mathematics
1 answer:
zalisa [80]3 years ago
6 0
The answer is B (56) because it states that it takes 14 minutes to bake 40 cookies, and you already have 100 cookies so you would just add the time it took to bake 40 cookies which would be 42+14=56
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Which of the following is equivalent to the expression below? 7(3+4i)
vodomira [7]

7(3+4i) is equivalent to 21+28i

Option D is correct option

Step-by-step explanation:

We need to find the equivalent to the given expression:

7(3+4i)

To solve the expression multiply 7 with the terms inside the bracket

7(3+4i)\\=7(3)+7(4i)\\=21+28i

So, 7(3+4i) is equivalent to 21+28i

Option D is correct option

Learn more about complex numbers at:

brainly.com/question/10736268

brainly.com/question/4678474

Keywords: Complex Numbers

#learnwithBrainly

3 0
3 years ago
Find CSA of cylinder whose circumference is 11cm and its height is twice itz diameter​
e-lub [12.9K]

Answer:

  77.03 cm²

Step-by-step explanation:

The appropriate formulas are ...

  CSA = Ch . . . . . curved surface area, C=circumference, h=height

where

  C = πd

or

  d = C/π

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Here, we have ...

  h = 2d = 2C/π

  C = 11 cm

so the curved surface area is ...

  CSA = (11 cm)(2(11 cm)/π) = 242/π cm² ≈ 77.03 cm²

3 0
4 years ago
60.9643790503 to 5 decimal places
enyata [817]

Answer:


60.96437 is the 5 decimal place of 60.9643790503 number



6 0
4 years ago
What is the mean of the data set? {32, 33, 34, 34, 36, 38, 38, 38, 40, 42}
Sphinxa [80]
Add all the numbers:

32 + 33  34 + 34 + 36 + 38 + 38 + 38 + 40 + 42 = 365

There are 10 numbers.

Divide:
Total by how many numbers there are

Total = 365
Numbers = 10

365 / 10 = 36.5

The mean is 36.5

Hope this helped☺☺


7 0
3 years ago
Read 2 more answers
If a rectangular prism has a length width and height of 3/8 cm 5/8 cm and 7/8 cm then the volume of the prism is ........ cubic
pychu [463]

Answer:

105/512

Step-by-step explanation:

To find the volume of a rectangular prism, you do  length x width x height. The length is 3/8, the width is 5/8, and the height.

3 0
3 years ago
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