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ladessa [460]
3 years ago
9

Simplify by combining like terms -4 + 5x - 17 - 22x

Mathematics
1 answer:
lana66690 [7]3 years ago
4 0

Answer:

-4

Step-by-step explanation:

22x-5x=17

-17+-4=-21

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Is 5.78778777 a rational or irrational number?..
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That number is the ratio of 578,778,777 to 100,000,000 , so it's rational.

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ANY number that you can completely write down on paper with digits...
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5 0
3 years ago
The two non-parallel sides of an isosceles trapezoid are each 7 feet long. The longer of the two bases measures 22 feet long. Th
Orlov [11]

The length of the diagonal and the shorter base are 17. 24 feet and 18. 7 feet long respectively.

<h3>How to determine the length</h3>

The cosine rule is given as;

c = \sqrt{a^2 + b^2 - 2ab cos \alpha }

c = length of the diagonal

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b = 7 feet

c = \sqrt{7^2 + 22^2 - 2 * 7 * 22 cos 40}

c = \sqrt{533 - 308 * 0. 7660}

c = \sqrt{533 - 235. 93}

c = \sqrt{297. 072}

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Using sine rule

\frac{a}{sin A }  = \frac{c}{sin C}

\frac{a}{sin 70}  = \frac{17. 24}{sin 40}

Cross multiply

a × sin 60 = c × sin 70

a × 0. 8660 = 17. 24 × 0. 9397

a = \frac{16. 20}{0. 8660}

a = 18. 7 feet long

Thus, the length of the diagonal and the shorter base are 17. 24 feet and 18. 7 feet long respectively.

Learn more about  isosceles trapezoid here:

brainly.com/question/10187910

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2 years ago
What is the simplified value of the expression below?<br><br> 12.4 x (negative 6.3)
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78.12

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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8 0
2 years ago
What do you add to 17/4 to make 5?
marusya05 [52]

Answer:

3/4 is what you are adding

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3 0
2 years ago
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