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kobusy [5.1K]
3 years ago
14

Help please ?????!!!

Mathematics
1 answer:
Mariulka [41]3 years ago
6 0

Answer:

1/5

Step-by-step explanation:

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How do I do this I’ll mark u brainliest pls ?
nataly862011 [7]

Answer:

1. is a 30 60 90 triangle so x = 30

pardon my bad handwriting for below

2.

STEP 1: subtract the angle you have from 180

STEP 2: add your x values together, if there is a non x number (such as + 10) balance it out on the other side by adding or subtracting

STEP 3: divide so that x has no coeffecient in front of it

STEP 4: substitute x values with the value you got

STEP 5: verify by adding the angles you got, it'll be correct if it equals 180

5 0
3 years ago
Need help with 35 thank you so much!!
Yakvenalex [24]

If a pentagon is regular, then all of the sides are the same length. This means that

5x-4=2x+11 \iff 5x-2x = 11+4 \iff 3x=15 \iff x = 5

So, if x=5, the lengths of the sides evaluate to

5x-4 = 25-4=21,\quad 2x+11=10+11=21

So, all the sides of the pentagon are 21 units long, and AB is 21 units long as well, because all sides are the same length.

3 0
3 years ago
I neee #14 PLEASE! Thanks! <3
Ksenya-84 [330]
I hope this helps you

5 0
3 years ago
The perimeter of a triangle is 17x−5 units. One side is 3x+5 units and another is 8x−3 units. How many units long is the third s
Debora [2.8K]

Answer:

17x−5 =85       3x+5 =15      8x-3= -24 here you can use this to find your awnser

Step-by-step explanation:

4 0
2 years ago
Write a linear equation for slope: 0; y-intercept: -8
Novosadov [1.4K]

Answer:

x = -8

Step-by-step explanation:

Since there is no slope, there is no need for a y variable to appear in your final equation. The graph will cross y = -8 horizontally. So therefore, x = -8

This is a pretty short explanation, but there's not too much to it. Hope this helped :)

5 0
3 years ago
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