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Fantom [35]
4 years ago
5

How to use the distributive property to have an equivalent expression

Mathematics
1 answer:
vova2212 [387]4 years ago
5 0

Using distributive property, factor out the coomon term to get the equivalent expression

<em><u>Solution:</u></em>

Let us first understand about distributive property

The distributive property lets you multiply a sum by multiplying each addend separately and then add the products.

The distributive property can be represented as:

a(b + c) = ab + bc

Let us consider a expression

30 + 5x

We have to write a equivalent expression

Use the distributive property

30 = 6 x 5

Thus 30 + 5x becomes,

30 + 5x = 6 \times 5 + 5x

Factor out 5 from above expression

30 + 5x = 6 \times 5 + 5x = 5(6+x)

Thus, equivalent expression is 5(6 + x) for 30 + 5x

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find the length of the missing side. if your answer is not an integer, leave it in simplest radical form.
nordsb [41]

Answer:15h

Step-by-step explanation: because 8m+7m = 15h and the side the H is on is way bigger than the other sides so thats how you know your supposed to add.

4 0
2 years ago
A rectangle has an area of 159.1m2 one of the sides is 3.7 in length work out the perimeter of the rectangle/
uysha [10]

Answer:

<h2>93.4 m</h2>

Solution,

Area of rectangle = 159.1 m^2

Length of rectangle = 3.7 m

Breadth of rectangle = ?

perimeter of rectangle = ?

Now,

Area of rectangle = 159.1 m^2

or, length * breadth = 159.1

or, 3.7 * breadth = 159.1

or, 3.7 breadth = 159.1

or, breadth = 159.1 / 3.7

breadth = 43 m

Again,

Finding the perimeter of rectangle:

perimeter of rectangle:

= 2 ( length + breadth)

= 2 ( 3.7 + 43 )

= 2 * 46.7

= 93.4 m

Hope this helps...

Good luck on your assignment...

8 0
3 years ago
Read 2 more answers
Steven's quarters total $4.20 more than his nickels. His quarters total $4.75 more than his dimes. The total value of the coins
katrin [286]

Answer: he has 23 quarters, 31 nickels and 10 dimes.

Step-by-step explanation:

The worth of a quarter is 25 cents. Converting to dollars, it becomes

25/100 = $0.25

The worth of a nickel is 5 cents. Converting to dollars, it becomes

5/100 = $0.05

The worth of a dime is 10 cents. Converting to dollars, it becomes

10/100 = $0.1

Let x represent the number of quarter that he has.

Let y represent the number of nickels that he has.

Let z represent the number of dimes that he has

Steven's quarters total $4.20 more than his nickels. This means that

0.25x = 0.05y + 4.2

Dividing through by 0.05, it becomes

5x = y + 84

y = 5x - 84-- - - - - - - - - -1

His quarters total $4.75 more than his dimes. This means that

0.25x = 0.1z + 4.75

Dividing through by 0.1, it becomes

2.5x = z + 47.5

z = 2.5x - 47.5- - - - - - - - - -2

The total value of the coins is $8.30. This means that

0.25x + 0.05y + 0.1z = 8.3- - - - - - -3

Substituting equation 1 and equation 2 into equation 3, it becomes

0.25x + 0.05(5x - 84) + 0.1(2.5x - 47.5) = 8.3

0.25x + 0.25x - 4.2 + 0.25x - 4.75 = 8.3

0.75x - 8.95 = 8.3

0.75x = 8.3 + 8.95 = 17.25

x = 17.25/0.75

x = 23

Substituting x = 23 into equation 1, it becomes

y = 5 × 23 - 84

y = 31

Substituting x = 23 into equation 2, it becomes

z = 2.5 × 23 - 47.5

z = 10

5 0
3 years ago
20 points when you answer :D
Phantasy [73]

Answer:

1st Box:  25-5*3

2nd Box: 5*3-25

3rd Box: (25-5)*3

5 0
3 years ago
Read 2 more answers
1. One number is twice another number. If 12 is subtracted from the larger number, the result is 7 more than the smaller number.
kompoz [17]

Answer:

20 30 40 74

Step-by-step explanation:

i don't know sorry

5 0
3 years ago
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