MATHEMATICS MIDDLE SCHOOL

A tailor used 2 meters of string to make 10 Halloween masks. He used _ of a meter for each mask.

Answers

Answer 1
Answer:

Answer: He used (1)/(5) of a meter for each mask.

Step-by-step explanation:

Given : A tailor used 2 meters of string to make 10 Halloween masks.

Here, Total length of string = 2 meters

Number of masks = 10

The the part of a meter of string is used for each Halloween mask will be :-

(2)/(10)=(1)/(5) \text{ meter}  [Divide total length of string by number of masks]

Hence, he used (1)/(5) of a meter for each mask.
Answer 2
Answer: one fifth of a meter for each mask
2/10=1/5

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30 POINTS The graph shows how many inches above the ground, y, the valve on a rotating tire is for a given number of seconds x.

How many degrees is the tire turning every second?

Enter your answer in the box.

Answers

Answer:

180 degrees per second.

Step-by-step explanation:

We have been given a graph that shows the distance covered by a tire or angular velocity of a tire with respect to the number of seconds (x).

Since we know that a tire is a circle and the measure of all the angles of a circle equals to 360 degrees.

We can see from our given graph that the tire completes one rotation in 2 seconds (2.5-0.5), so the distance covered by tire in two seconds will be 360 degrees. This means that the tire turns 360 degrees in each 2 seconds.

\text{Degrees turned by tire in 2 seconds}=\frac{360^o}{2\text{ seconds}}

As we are asked to find the degree change by tire per second so we will find the unit rate such that we will have 1 in our denominator. By dividing our numerator and denominator by 2 we will get,

\text{Degrees turned by tire in every second}=\frac{180^o}{\text{ second}}

Therefore, the tire is turning 180 degrees per second.

It takes 2 seconds for the tire to make a full revolution. This is evident from the plot - the curve has a period of length 2.

A full revolution of the tire is a turn of 360 degrees.

So the tire turns at a rate of (360 degrees)/(2 seconds) = 180 degrees/second.

A boy who is 3 feet tall can cast a shadow on the ground that is 7 feet long. How tall is a man who can cast a shadow that is 14 feet long? Solve this problem by setting up a proportion. Show your work.

Answers

As you can see 7-3=4 and you just subtract 3 from 14 

It is a Proportion

So 14-3=11

ed is using the recipe shown to make fruite salad 4 bananas diced 3 apples diced 6 pears diced 10 strawberries diced he wants to use 30 diced strawberries in his fruit salad how many bananas, apples, and pears should ed use in his fruite salad

Answers

In the original recipe, it asks for 10 diced strawberries. 10x3=30, so for all of the required numbers of fruits, multiply the number by three.4x3=12 bananas3x3=9 apples6x3=18 pears10x3=30 strawberries

Answer: You need to x3 of everything

Step-by-step explanation:

4*3 =18bananas

10*3=30 strawberries

3*3=9 apples

6*3=18 pears

NEED HELP ASAP!!! WILL GIVE BRAINLIEST!!!!

Answers

Answer: B

Step-by-step explanation:

An open inequality arrow pointing to the right

The answer would be B

If 3 pieces of candy cost $2.10,how much would four pieces cost?

Answers

We need to find the unit rate

2.10/3 = 0.70

0.70*4 = 2.80

Answer: 4 pieces would cost $2.80
210 divided by 3 equals 70 

210+70= 280

$2.80

The figure shows a scale drawing of a room, and each square stands for 1 square foot. What is the area of the room in square yards?

Answers

you add the squares, that is C.

Answer:

c.  96

Step-by-step explanation:

you multiply:

6*14=84

3*4=12

you add:

84+12=96
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