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GuDViN [60]
3 years ago
14

suppose there are 20 questions on a multiple-choice test. if 25% of the answers are choice B,how many of the answers are NOT cho

ice B ?
Mathematics
1 answer:
topjm [15]3 years ago
7 0
25% of 20 = 5
B has 5 answers
20-5 = 15
"Not B" is 15 answers.
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Miles is planning to spend 2/3 as many hours bicycling this week as he did last week. Is Miles going to spend more hours or fewe
Taya2010 [7]

Answer:

Fewer hours

Step-by-step explanation:

2/3 is a fraction and shows the parts of a whole. This means that 2/3 of last week is fewer than last week. Last week is the whole for example 15 hours. This week will be 2/3 or 2/3*15 = 10 hours. This week will be less than last week.

8 0
3 years ago
A cylinder has a height of 6 inches and a radius of 2 inches. What is its volume? Use a 3.14 and round your answer to the neares
Olenka [21]

Answer:

\boxed {\boxed {\sf 75.36 \ inches^3}}

Step-by-step explanation:

The volume of a cylinder is found using this formula:

v= \pi r^2h

Th height is 6 inches, the radius is 2 inches, and we are using 3.14 for pi. Substitute the values into the formula.

v= (3.14)(2 \ in)^2(6 \ in)

Solve the exponent.

  • (2 in)²= 2 in * 2 in = 4 in²

v= (3.14)( 4 \ in^2)(6 \ in)

Multiply the first two number.

v= 12.56 \ in^2 (6 \ in)

v= 75.36 \ in^3

This is already to the hundredth place, so we do not need to round.

The volume of the cylinder is <u>75.36 cubic inches.</u>

6 0
3 years ago
HELPPP!!
schepotkina [342]

Answer:

Step-by-step explanation:

Comment

A rational number is one that can be expressed as x/y. The first statement is false. All whole numbers are rational. They can always be expressed as x/1

Some rational numbers are not whole numbers. That's true. 4/7 is rational but not whole.

Some irrational numbers are not integers. I'm tempted to say this is true.

pi is irrational and it certainly is not an integer.

Answer

false

true

true.

7 0
2 years ago
Help please this is due in 20 minutes!
alexgriva [62]

Step-by-step explanation:

sum of three no =94

first no =X

second no x-8

third no =4(x-8)

X+(x-8)+4x-32=94

6x-40=94

6x=94-40

6x=54

X=54/6

X=9

4 0
4 years ago
Read 2 more answers
What is the slope of the line that passes through the points (2, 3)
Komok [63]
Slope is found when you put y2-y1/x2-x1. So your equation would be (-2)-2/6-3.
That answer would be -4/3. Nothing can be simplified further, so that is your answer

5 0
3 years ago
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