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N76 [4]
3 years ago
5

If there are 1120 students in a school and if it is the 10% of total​

Mathematics
1 answer:
____ [38]3 years ago
3 0

Answer:

let the total number of students bex

Then

10%of x=1120

or,(10/100)x=1120

or,x/10=1120

or,x=11200

The total no. of students is 111200

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Ben needs 1 3/8 feet of fabric to make one banner. How many banners can he make from 4 1/2 yards of fabric?
skelet666 [1.2K]

Answer:

x = 9.818

x≈10

The number of banners that can be made are 10

Step-by-step explanation:

We can use the knowledge of proportion to solve this.

First we need to convert yard to feet.

  1  yard      = 3 foot

4 1/2 yard    = y

cross-multiply

y =  4 1/2  ×  3

    =9/2  ×   3

y = \frac{27}{2} feet

This implies 4 1/2 yards =  \frac{27}{2} feet

Let x be the numbers of banners needed to make from 4 1/2 yards of fabric.

1 3/8 feet  = 1 banner

\frac{27}{2}  feets    =    x

cross multiply

1 3/8 × x =  \frac{27}{2}

\frac{11x}{8}  =  \frac{27}{2}

cross-multiply

22x = 216

Divide both-side of the equation by 22

22x/22 = 216/22

x = 9.818

x≈10

The number of banners that can be made are 10

3 0
3 years ago
If a triangle has three congruent angles, then it is equilateral.
Zielflug [23.3K]

I believe the answer is A "If a triangle is equilateral, then it has three congruent angles". Hope this helps!

5 0
3 years ago
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2. Use the Distributive Property to determine which of the following statements is equivalent to 5(6-2).
frez [133]

Answer:

30 - 10

Step-by-step explanation:

When you distribute, that means you multiply everything on the outside of the parentheses by everything on the inside.

5 (6-2)

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3 0
2 years ago
5(a + b) when a = 1 and b =6
Paha777 [63]

Answer:

35

Step-by-step explanation:

use distributive property

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2 years ago
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If f(x) = 3x 2 + 5x, find f(-2).
kipiarov [429]

Answer:

f(- 2) = 2

Step-by-step explanation:

To evaluate f(- 2), substitute x = - 2 into f(x)

f(- 2) = 3(- 2)² + 5(- 2) = (3 × 4) - 10 = 12 - 10 = 2

6 0
3 years ago
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