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PolarNik [594]
2 years ago
8

In Jeremiah class

Mathematics
1 answer:
Irina18 [472]2 years ago
6 0
Answer:

2/5 = 4/10

4/10 = 40%

Explanation:

2/5 is a simplified fraction, and one of the bigger fractions it’s made by 4/10. Do you can use 4/10, but can also use 8/20, 20/50, 40/100, so on. Since we know that any fraction that of ten can be turned into a percentage easily (2/10=20%, 5/10=50%,9/10=%90), then 4/10 is equal to 40%. So 40% of the people in Jeremiah’s class are boys.
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Frederick made a quilt for his cousin's doll. The quilt had a 7 × 7 array of different color square patches. If each patch is 3
mixer [17]

Answer:

Step-by-step explanation:

Given that, .

Frederick make 7 × 7 quilt array

This shows that there are seven rows and there are seven columns.

So, the total quilt is

7 × 7 = 49 squares patches

We are told that each of this square patches are 3½ in long

Then, since it is a square patch, it's area is

A = S² = 3½ × 3½ = 12¼ in²

So, each square patch has an area of 12¼in²,

Then, for 49 square patches

The total area of 49 Square patches is

A = 49 × 12¼ = 600.25 in²

So, the area of the whole quilt is 600.25 in²

8 0
3 years ago
Read 2 more answers
What js the simlest form of the expresion (14.2a+9.8b)-(13.1b-.2a)-(3.7a+4.8b)
vampirchik [111]

Answer:

12.5a-8.1b

Step-by-step explanation:

Remove the unnecessary parenthesis

14.2+9.8b-(13.1b-2a)-(3.7a+4.8b)

Collect like terms

12.5a+9.8b-13.1b-4.8b

Giving you the answer of: 12.5a-8.1b

6 0
4 years ago
Read 2 more answers
Brianna can rent a scooter for $15.00 plus $0.50 per mile.
torisob [31]

Answer:

you can say y=0.50m+15t

5 0
3 years ago
20 pupils can plant 1000 eucalyptus trees in 4hours . Home many trees can 30 pupils plant in 6 hours
Dmitry [639]

Answer:

2250 trees

Step-by-step explanation:

Find how many eucalyptus trees are planted in an hour.

4 hours = 1000

1 hour = 1000 ÷ 4 = 250

20 pupils = 250

1 pupil = 250 ÷ 20 = 12.5 (in an hour)

30 pupils = 12.5 x 30 = 375 trees (in an hour)

6 hours = 375 x 6 = 2250 trees

3 0
3 years ago
The distance between 5,3 and 1,3
mel-nik [20]

Answer:

(4,0)

Step-by-step explanation:

(5,3) (1,3)

You need to subtract from the x axis on both coordinates and the y axis in both coordinates.

(5-1) (3-3)

(4,0)

I also checked on a graph as well, so it's correct.

4 0
3 years ago
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