MATHEMATICS MIDDLE SCHOOL

7 is 10% of yy and nn is 80% of yy

Answers

Answer 1
Answer: 7 is 10% of yy
nn is 80% of yy

yy is the whole value.

7 and nn are the parts. 10% and 80% are its corresponding percentages.

To get the whole value using part and its corresponding percentage, divide the part by its percentage.

7 ÷ 10% = 70 ← value of yy

Since we already know the whole value, we simply multiply the percentage of the part to get the value of the part.

70 * 80% = 56 ← value of nn

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If a person bikes 2.4 miles in 10 minutes, how far can he bike in 1.5 hours?

Answers

1.5 hours = 90 minutes
2.4 x 9= 21.6 miles
Start by calculating how many minutes is 1.5 hours.
Then, you need to do a proportion.
(2.4 miles)/(10 minutes) = (?)/(1.5 hours in minutes)


If you still can't do it, just comment and I'll explain more :)


the hedge boundary needs to be planted around a rectangular lawn 18 m long and 12 m wide. if 3 shrubs can be planted to grow a metre hedge, how many shrubs will be needed in all?​

Answers

Answer:

180

Step-by-step explanation:

let P represent the perimeter of the rectangle

P = 2×(12 + 18) = 2×(30) = 60 m

then

the number of shrubs = 3×(60) = 180

What must be true of the corresponding angles in two similar figures

Answers


If the figures are 'similar', then their
corresponding angles are equal.

Write each repeating decimal as a fraction in simplest form

Answers

.81 as a fraction is 81/100It is 81/100 because you need to count the place of the number after the decimal, in this case it is the hundredths. 100 will be your denominator. Then you move the decimal over to the right 2 times and get .81------>>> 81.81 is your numerator. Your answer is 81/100

What are the next two terms in this pattern 3,6,5,10,9,18,17....?

Answers

Answer:

It looks like it's going in a distinct pattern

Step-by-step explanation:

3X2=6 5X2=10 9X2=18 17X2=34

But then the pattern stops so I'm not sure if that's right. But, I hope I at least helped in someway!~

Answer: 34,33


Step-by-step explanation: Look at the first five terms. 3,6,5,10 and 9

3x2=6 6-1=5 5x2=10 10-1=9

Multiply by 2 then subtract by 1.

17x2=34 34-1=33


I don't know how to do this please help me!!??

Answers

Volume = s³ = (9.5)³ = 9.5 × 9.5 × 9.5 = 857.375 in³
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