MATHEMATICS MIDDLE SCHOOL

Which of the following options have the same value as 65%, percent of 20?

Answers

Answer 1

Answer:

This question is incomplete. Hereis the complete question:

Which of the following options have the same value as 65% of 20?

(A) 0.65⋅20 (B) 65/100 divided by 20 (C) 65/20 * 100 (D) 65 * 20

Answer:

The correct answer is option (A) 0.65⋅20

Step-by-step explanation:

In this case they are asking us for an expression that is equivalent to 65% of 20. They are not asking us what is the value of that operation.

When we do a percentage calculation we can do it in two ways.

Let's see each one of them:

. (65 * 20): 100 =

1300: 100 = 13

. 0.65. 20 = 13

As we can see both ways we get the same result.

Given this information we can say that the correct answer is option A.

Answer 2

Answer:

Step-by-step explanation:

You find out what is one percent then multiply from there

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The amount of vinegar that melody used for a recipe can be written as a whole number. Which could be the amount of vinegar that melody used?A.-3.75 tsp
B.1.5 tsp
C.2 1/3 tsp
D.12/3 tsp

Answers

D.

12/3 can be said as 12 divided by 3, and 12 divided by 3 is 4, which is a whole number.

at a checkers tournament there where 64 players. It was elimatation tournament. how many games where played before there was a winner

Answers

so first game
half were eliminated
we notice a pattern
first game=64 times 1/2
next game 32 times 1/2 so

so just multiply by 1/2 till you get 1
round 1 64/2=32
round 2 32/2=16
round 3 16/2=8
round 4 8/2=4
round 5 4/2=2
round 6 2/2=1

6 is the answer

There are 64 players. For each group, one person is eliminated. You will divide 64/2(the # of people is 64, the number op people in each group is 2). You will get 32. 32 people are remaining. You will, again, divide. 32/2=16. 16 people remain. Divide, again by 2. 16/2=8. Divide by 2 again until you get to 1.

hope this helps!

Find the lengt of side c ofa triangle. If sides ais 1 and side bis 20?

Answers

The pyhtagorean states that to find c, use the eqaution, $c^2=a^2+b^2$ .
Substitute 1 for a and 20 for b;
c^2=1+400
c^2=401
c= $\sqrt{401$
which is about 20.02
Hope this helps.

If the lengths of two of the sides of a triangle are 1 and 20,
then the third side can be any length between 19 and 21.

It's not possible to calculate it exactly until we know
more information about the triangle.

For example, if the triangle is a right triangle,
then the length of the third side is

either √401 = roughly 20.025

or √399 = roughly 19.975 .

Add.–4.75 + 2.19

A.

–6.94

B.

–2.56

C.

2.56

D.
6.94

Answers

–4.75 + 2.19

The easiest way to do this (in my opinion) is to switch signs:
4.75 - 2.19:

4.75
-2.19
=2.56

Finally, put the - sign back to get
-2.56

The answer is B.

Answer:

its -2.56

Step-by-step explanation: i used calculator

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