MATHEMATICS MIDDLE SCHOOL

Write a numerical expression for each verbal phrase.the total number of coins Kyle has if he has 12 quarters and 20 dimes
Question 5 options:

12 × 20

20 – 12

12 + 20

20 ÷ 12

Answers

Answer 1
Answer:

\huge\boxed{12+20}

You have 12 of one type of coin and 20 of another type of coin.

To find the total number of coins, you need to add the two values together.
Answer 2
Answer:

Answer:

The correct option is C) 12 + 20.

Step-by-step explanation:

Consider the provided phrase.

The total number of coins Kyle has if he has 12 quarters and 20 dimes

Use "+" sign for and .

He has 12 quarters and 20 dimes can be written as:

12+20

The total number of coins are the sum of 2 quarters and 20 dimes

Thus, the required expression is

12+20

Hence, the correct option is C) 12 + 20.

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Convert 7.0055 into a mixed number in simplest form?

Write the nunber 0.035 as a percent

3.5%
0.35%
35%
0.035%

Answers

you bring the decimal point 2 places to the right.

answer is A
We want to write the decimal number 0.035 in percent form. So, to convert this value to percent, we just multiply it by 100.
In this example multiplying 0.035 by 100, we get 3.5 (the value in percent).

Step 1: Move the decimal point two places to the right: 0.035 → 0.35 → 3.5.
Step 2: Add a % sign: 3.5%So, 0.035 is equivalent to 3.5% in percent form.
Hope this helps :)

Cupro-nickel coins are minted by mixing copper and nichel in the ratio 4:1a) How much copper is needed to mix with 20kg of nickel?
b) How much nickel is needed to mix with 20kg of copper?

Answers

Copper:   Nickel =  4:1

a) How much copper needed for 20 kg nickel
                 C:N = 4: 1 
                 C:20 = 4:1

C/20 = 4/1       Cross Multiply
C*1 = 4*20
C = 80     

80kg Copper would be needed.

b) How much Nickel would be needed for 20 kg of Copper
                 C:N = 4: 1 
                 20:N = 4:1

20/N = 4/1       Cross Multiply
4*N = 1*20
4N = 20   Divide both sides by N.  

N = 20/4 = 5

5kg Nickel would be needed.

What is 7.08 as improper fraction

Answers

708/100 or 7 2/25 as a mixed number

How is it that a square is a rectangle but a rectangle ins't a square?

Answers

beacuse  A square by definition is a "plane figure having four equal sides." Rectangles' sides are not equal and hence cannot be a square. 

A rectangle by definition is a "four-sided plane figure with 4 right angles" - which also implies that a square can be a rectangle because it is also a four-sided plane figure with 4 right angles...... hope this helps
The definition of a square is a plane figure with four equal straight sides and four right angles. The definition of a rectangle is a plane figure with four right sides and four right angles. To be a rectangle you just need four straight sides and four right angles, but to be a square all those sides have to be equal. Therefore, a square is a rectangle because it has four straight sides and four right angles, but a rectangle isn't a square (or not always) because it doesn't have four equal straight sides.

2. What is 95% of 720?​

Answers

Answer: 684

Step-by-step explanation:

95% of 720

Move decimal point two places to the right.

0.95 * 720 = 684

Answer: 684

Step-by-step explanation:

95% of 720

Move decimal point two places to the right.

0.95 * 720 = 684

Please help me! I have no idea how to do this and I will mark you as brainliest!

Answers

Answer:

2520 stones which will cost £6300

Step-by-step explanation:

First find area of path:

630 x 120 = 75600 cm²

then find how many stones will be needed:

75600/30 = 2520

then find out the total cost:

2520 x 2.5 = £6300

Hope this helps!

Answer:

£125

Step-by-step explanation:

First, find perimeter.

630 + 630 + 120 + 120 = 1500

Divide by stone width.

1500 / 30 = 50

Multiply by the cost.

50 x 2.5 = 125
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