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Alexus [3.1K]
4 years ago
14

Which is the solution to the equation 2.6a + 18.4 = 28.8 round the nearest tenth if necessary. 1.4, 4, 18.2, 27

Mathematics
2 answers:
alexdok [17]4 years ago
8 0
You would subtract 18.4 from 28.8 then divide that answer by 2.6. The answer would therefor be 4.

Gnesinka [82]4 years ago
7 0

Answer:

Your answer is B=4

Step-by-step explanation:

hope it helps once again

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Which is the most accurate way to estimate 26% of 91?
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Answer:

B

Step-by-step explanation:

26% is close to 25%, which is equal to 1/4th.

You're adding to the number and removing from the percentage so it balances it out.

8 0
3 years ago
Four times the square of a certain number increased by 6 times the number equals 108.find the number
slamgirl [31]
To effectively determine the correct answer, it would be helpful to write this into an algebraic expression. We let x as the number. We do as follows:

<span>Four times the square of a certain number increased by 6 times the number equals 108.

4x^2 + 6x = 108

The numbers can be either of the following since the equation generated was a quadratic equation which has two roots.
x = 4.5
x = -6 </span>
5 0
3 years ago
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Find the value of X. Write your answer in simplest form.<br>What does X equal? ​
drek231 [11]

<u>Given</u>:

Given that the figure of similar triangles.

The altitude of the triangle is x.

The length of the left part is 30.

The length of the right part is 15.

We need to determine the value of x.

<u>Value of x:</u>

The value of x can be determined using the geometric mean theorem.

Thus, we have;

\frac{\text { left }}{\text { altitude }}=\frac{\text { altitude }}{\text { right }}

Substituting the values, we have;

\frac{30}{x}=\frac{x}{15}

Cross multiplying, we get;

30 \times 15= x^2

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Taking square root on both sides, we have;

15 \sqrt{2}=x

Thus, the value of x is 15√2

7 0
3 years ago
Tiana would like to buy cone-shaped hats for her birthday party. She wants hats with the largest volume, since they look bigger.
Alexus [3.1K]

Probably the ones that are big..

7 0
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The Red Sox have won 3 World Series titles in the last 11 years. At this rate, how long will it take them to win 20 World Series
lora16 [44]
The answer is 74 years. do 11/3=3.67. Then 3.67x20 =73.4 and since that .4 is not a full year you would have to round up to 74
7 0
3 years ago
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