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katovenus [111]
3 years ago
12

Find the roots of the function 8x^2+20=148

Mathematics
2 answers:
weqwewe [10]3 years ago
5 0

Answer:

it's B +/-4

Step-by-step explanation:

erastova [34]3 years ago
3 0

Answer: +/- 4

Step-by-step explanation:

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3 0
3 years ago
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A.) If m 1 = 3x - 7, find x.
aleksley [76]

Answer:

x = 25

Step-by-step explanation:

Angle 1 and the angle opposite from Angle 1 (the angle that's 68°) are vertical angles.

What are vertical angles, you ask?

According to the Oxford dictionary, vertical angles are each of the pairs of opposite angles made by two intersecting lines.

For example, take the letter X. The letter X has two lines that intersect to form 4 angles. The top and bottom angles are a pair of vertical angles. So are the left and right angles.

Vertical angles are always congruent.

(This is VERY important to know! It will help you solve many types of geometry problems!)

m1 is 3x - 7. Because Angle 1 and the angle that's 68° are vertical angles, that means they are equal to each other.

Therefore: 3x - 7 = 68.

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3 0
2 years ago
An airline allows each passenger to have a suitcase weighing no more than 45 lbs. If Hank needs to lower his suitcase weight by
diamong [38]
Okay, so he started out with 45 lbs. 

Let's make 40% into a decimal. 

40%= .4

I would multiply .4 to 45.
 18.

Add 18 to 45 to get the answer.

The original weight of his bag was 63 pounds. 



5 0
3 years ago
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