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Mazyrski [523]
3 years ago
10

if the sum of a number and nine is tripled the results is seven less than twice the number. find the number

Mathematics
1 answer:
aliina [53]3 years ago
6 0
Here is the equation you need:

3(x + 9) = 2x - 7

You finish.
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What is the length of AC¯¯¯¯¯
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Answer: AC=12 cm

Step-by-step explanation:

To  solve this problem you must apply the law of sines, as you can see below:

\frac{a}{sinA}=\frac{b}{sinB}

Where:

a=13

A=85.2°

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Therefore, you must solve for b, then, you obtain that the lenght AC asked in the problem above is:

b={sinB}*\frac{a}{sinA}\\b=\frac{sin(71.6)*13}{sin(85.2)}\\b=12

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If f(x) = 10 + 2x and g(x) = 6x + 5, then (f+ g)(x) =
Alexxandr [17]

Answer:

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Combine like terms

              = 8x +15

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Owen has a 15 ft ladder, the instructions say that the base of the ladder should be 6 ft from the wall. How high up the wall wil
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Answer:

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Step-by-step explanation:

use the Pythagorean theorem

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6 0
3 years ago
A basketball team took a total of 100 shots. One player took 70% of all 100 shots, and
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The player took a total of 70 shots and missed about 28 shots.

<h3>Percentage</h3>

Percentage is used in expressing a fraction number or decimal in fraction of 100. It is expressed using the '%' sign.

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The player took a total of 70 shots and missed about 28 shots.

Find out more on Percentage at: brainly.com/question/24304697

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