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2 years ago

Answer this then i will mark u as brainliest

Mathematics

1 answer:

sashaice [31]2 years ago

5 0

Answer:

A, it will decrease by 90.

Step-by-step explanation:

If the number is 92,320 and you interchange 2 and 3, you would get 92,230. 320-230 equals 90, therefore giving you the answer.

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The area of a rectangular wall of a barn is 85 square feet. Its length is 12 feet longer than the width. Find the length and wid

MaRussiya [10]

Answer:

Length = 17 feet, Width = 5 feet

Step-by-step explanation:

Given:

The area of a rectangular wall of a barn is 85 square feet.

Its length is 12 feet longer than the width.

Question asked:

Find the length and width of the wall of the barn.

Solution:

Let width of a rectangular wall of a barn = $x$

As length is 12 feet longer than the width.

Length of a rectangular wall of a barn = $12+x$

As we know:

$Area\ of\ rectangle=length\times breadth$

$85=(12+x)x\\\\85=12x+x^{2} \\$

Subtracting both sides by 85

$x^{2} +12x-85=0\\x^{2} +17x-5x-85=0\\Taking\ common\\x+(x+17)-5x(x+17)=0\\(x+17)(x-5)=0\\x+17=0, x-5=0\\x=-17,x=5$

As width can never be in negative, hence width of a rectangular wall of a barn = $x$ = 5 feet

Length of a rectangular wall of a barn = $12+x=12+5=17\ feet$

Therefore, length and width of the wall of the barn is 17 feet and 5 feet respectively.

4 0

3 years ago

a basketball team needs to score more than 795 total points this season to set a new record. the team has already scored 165 poi

loris [4]

They would need to win approximately 12 more games. just use division to find out your answer

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3 years ago

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How can jump consumers avoid bounced check fees?

never [62]

When you write a check for an amount you don't have in the bank.

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3 years ago

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Examine this system of equations. Which numbers can be multiplied by each equation so that when the two equations are added toge

aleksklad [387]

Answer:

The first equation must be multiplied by 18 and second equation must be multiplied by 8

Step-by-step explanation:

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2 years ago

A student solved z + (-0.72) = -2.5 for z using the

N76 [4]

Answer:

Mistake in step1

Step-by-step explanation:

Given

z + (-0.72) = -2.5

Solving in steps

1. ⇒ z + (-0.72) - (-0.72) = -2.5 - (-0.72)
2. ⇒ z = - (2.5 - 0.72)
3. ⇒ z = - 1.78

The student's mistake was adding (-0.72) instead of - (-0.72) or 0.72

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2 years ago

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