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Leviafan [203]
2 years ago
7

Convert these decimals and SIMPLIFY: .12 .250 .3 .85 .300 .05

Mathematics
2 answers:
melisa1 [442]2 years ago
5 0

Answer:

.12 = 12/100 or 4/25 I'm not sure if I'm correct but I tried, I'll try solving the other ones and update you

.250 = 25/100 which simplified is 5/20

Jobisdone [24]2 years ago
5 0

Answer:

Step-by-step explanation:

.12 = 3 over 25

.250 = 1 over 4

.3 = 3 over 10

.85 = 17 over 20

.300 = 3 over 10

.05 = 1 over 20

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Given the points below, are the two lines parallel, perpendicular, or neither?
Karo-lina-s [1.5K]

Answer:

none of them are perpendicular or parallel

5 0
2 years ago
1. Write out the law of cosines and find the hypotenuse of triangle with 2 sides lengths equal to three and the included angle m
LUCKY_DIMON [66]

Answer:

1.) \sqrt{13.341}  ≈ 3.652

2.) I would say something about how the A in front of cos in the equation would change to 90, rather than stay 75 (in the equation for the step by step), but it would be easier to just use the Pythagorean theorem.

Step-by-step explanation:

I think we may have the same class so hopefully this helps:

1.) a^2 = b^2 + c^2 - 2bccosA --> law of cosines formula.

   a^2 = 3^2 + 3^2 - 2(3)(3)cos(75) --> plugged in numbers; when you draw the triangle, the included angle would be A, and the opposite side would be a. B and b, and C and c are opposite each other. In this case, a is the hypotenuse.

   a^2 = 18 - 18cos75 --> in between steps.

   a^2 = 13.341 --> more simplifying.

   a(hypotenuse) = \sqrt{13.341} or 3.652 --> answer

2.) This one is just an explanation: The 75 in the equation is the given angle, which is a. If this changes, it would just change in the equation too. And obviously, if it's 90 degrees, you can just use Pythagorean theorem a^2+b^2=c^2.

Good luck! :)

   

6 0
3 years ago
What is the absolute value of 25? |25| = ?
Kryger [21]

Answer:

25, -25

Step-by-step explanation:

This is the answer. It's simple. Just think of the two lines next to the number and that can be -25 and 25.

3 0
3 years ago
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GrogVix [38]

Answer:

3/1 or 3

Step-by-step explanation:

It rises up three and to the side one

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3 years ago
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What is the multiplicative inverse of −18?
AlexFokin [52]

Answer:

1/18 i know it is right

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