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lys-0071 [83]
3 years ago
11

Is the expression completely factored: (5 - x)(6 - 5x)

Mathematics
1 answer:
Naya [18.7K]3 years ago
7 0

Answer:

5x² - 31x + 30

Step-by-step explanation:

(5 - x)(6 - 5x)

= 30 - 25x - 6x + 5x²

= 30 - 31x + 5x²

= 5x² - 31x + 30

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2 years ago
The triangle below has an exterior angle of 110 degrees. What is the value of angle x?
faltersainse [42]

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Step-by-step explanation:

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4 0
2 years ago
Find the area of the right triangle. If necessary, round to the nearest tenth.
Ne4ueva [31]

Answer:

B - 150 yd

Step-by-step explanation:

Obviously the first step is to find the missing measurement. To do this, you use the Pythagorean theorem; <em>a² + b² = c².</em>

In this case, let's label the the missing side A, the height B, and the hypotenuse C.

<em>X² + 15² = 25²</em>

Then you must figure out what 15² and 25².

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<em>25² = 625</em>

The next step is to subtract 15² (225) from 25² (625), which will give you the result of X².

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Now you know X² = 400, you can find the square root of 400 to give you the length of the triangle.

<em>√400 = 20.</em>

<u>The missing length of the triangle is 20 yards. </u>

Now it's just a matter of finding the area by using the formula;

<em>A = </em>\frac{bh}{2}

Or,

<em>(20 × 15) ÷ 2 = 150.</em>

<u>And there's your answer. Don't forget to add the units.</u>

<u />

<h2>Hope this helped.</h2>
8 0
3 years ago
2. A teacher buys 144 erasers for her class. She gives each child an equal amount. There are 24 students in the class. How many
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Answer:

They each got 6 erasers.

Step-by-step explanation:

Sorry If I am wrong.

6 0
2 years ago
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