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kiruha [24]
2 years ago
13

Which value is closest to 85% of 25?

Mathematics
2 answers:
OverLord2011 [107]2 years ago
8 0

Answer:

so the closet value will be 21.

Step-by-step explanation:

In this question we have to calculate the value of 85% of 25.

To calculate the percentage first we have to write percentage to the fraction and then multiply with 25.

\frac{85}{100} × 25

= 0.85 × 25

= 21.25

Therefore, the closet value of 21.25 will be 21 because when we round off, 0.25 will be waved off. Had this value been greater  than 0.50 or equal to 0.5 than this value would have been 22.

so the closet value will be 21.

alina1380 [7]2 years ago
4 0

Answer:

21

Step-by-step explanation:

We are given that

85% of 25.

We have to find the value which is closest to 85% o 25.

To find the closes value we will convert percentage into fraction.

When we remove sign of percentage then we write 100 in denominator

85%=\frac{85}{100}

Now, 85% of 25=\frac{85}{100}\times 25

85% of 25=\frac{85}{4}

85% of 25=21.25

Therefore, the closes value of 85% of 25=21

Because tenth place 2 is less than 5 .Therefore, all digits on right side of tenth place digit replace by zero and digits on left side of tenth place  remain same .

Hence, the closest value of 85% of 25=21

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To find the equation rewritten in vertex form let's factor the equation

<u>Factor the leading coefficient </u>

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<u>Complete the square. Remember to balance the equation by adding the same constants to each side</u>

y = -6(x^{2} - 0.5x+0.0625-0.0625) + 2

y = -6(x^{2} - 0.5x+0.0625) + 2 +0.375

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<u>Rewrite as perfect squares</u>

y = -6(x-0.25)^{2} + 2.375

therefore

the answer is

y = -6(x-0.25)^{2} + 2.375

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What is the solution to the system of equations? y = A system of equations. Y equals StartFraction 2 over 3 EndFraction x plus 3
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Answer:

The solution to the given system of equations is (-2,\frac{5}{3})

Therefore the values of x and y are x=-2 and y=\frac{5}{3}

Step-by-step explanation:

Given equations can be written as

y=\frac{2}{3}x+3\hfill (1)

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Solving equation(2) we get

x=-2

Substitute x=-2 in equation (1) we get

y=\frac{2}{3}(-2)+3

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=\frac{5}{3}

Therefore the values of x and y are  x=-2 and y=\frac{5}{3}

The solution to the given system of equations is (-2,\frac{5}{3})

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Step-by-step explanation:

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C is the answer because a number of children are unknown.
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Two square rooms have a total floor area of 89m2. One room is 3m longer each way than the other. Find the dimensions of the two
Rudiy27

Answer:

A

Step-by-step explanation:

Let the smaller room have an area of x^2

Let the larger room have an area of (x + 3)^2

(x+3) ^2 + x^2 = 89               Be careful not to make it 89^2.

x^2 + 6x + 9 + x^2 = 89        Expand the binomial squared

2x^2 + 6x + 9 - 89 = 0          Subtract 89 from both sides

2x^2 + 6x + 9 - 89 = 0          Combine

2x^2 + 6x - 90=0                  Divide by 2

x^2 + 3x - 45 = 0         This factors.

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x = 5

x + 3 = 5+3 = 8

So the answer is A

3 0
2 years ago
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