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3 years ago

Which of the numbers below belong to the solution set for x-7>3

1 answer:

5 0

It cant be 7 because,
X-7>3
7-7>3
0>3
And 0 is not bigger than 3

It cant be 9 because,
X-7>3
9-7>3
2>3
And 2 is not bigger than 3

So it is 11 because,
X-7>3
11-7>3
4>3
And 4 is bigger than 3

So the answer is 3) 11

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Help me with #5 pleaseeeeeeeeeee

earnstyle [38]

Answer:

$\angle 1 = 45$ degrees

Step-by-step explanation:

Sum of 3 angles in a triangle is 180..

The angles given are:

7x + 12

So we sum to 180 and write:

$60+7x+12+\angle 1=180\\72+7x+\angle 1=180\\7x+\angle 1=108$

Also, straight angle is 180 degrees, thus Angle 1 and (14x + 9) angle is sum to 180, thus we can write:

$14x+9+\angle 1=180\\14x + \angle 1=171$

Or we can write this as:

$14x + \angle 1=171\\\angle 1 = 171 - 14x$

We substitute this expression for Angle 1 into 1st equation we got and solve for x first,

$7x+\angle 1 = 108\\7x+( 171 - 14x)=108\\-7x=-63\\x=9$

Since x = 9, the angle "14x + 9" would be:

14(9) + 9 = 135

Hence Angle 1 would be:

$\angle 1 + 14x + 9 = 180\\\angle 1 + 135 = 180\\\angle 1 = 45$

6 0

3 years ago

What is 5 over 100 as a decimal

Alekssandra [29.7K]

Answer:

.05 im sure of it hope it helps.

Step-by-step explanation:

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3 years ago

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The area of the circle below is 28.26. What is the diameter?

svet-max [94.6K]

I think the answer would be 9 or 18 not really sure

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3 years ago

Simplify the following expression using only positive exponents. Help please!? It has to be only positive exponents the -9/7t an

wlad13 [49]

(-9t^25) / (7t^26) = -9 / (7t)

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3 years ago

In a right triangle, angle C measures 40°. The hypotenuse of the triangle is 10 inches long. What is the approximate length of t

zmey [24]

Answer:

the answer is c uwU

Step-by-step explanation:

Here, base is the length of the side adjacent to angle and hypotenuse is the longest side of the right angle triangle.

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2 years ago