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romanna [79]
2 years ago
12

Can someone help me solve this ill mark u as brainlest

Mathematics
1 answer:
Oksanka [162]2 years ago
6 0

Answer:

-13  ≤ x  ≤ 11

Step-by-step explanation:

|x+1| ≤12

There are two solutions, one positive and one negative, remembering to flip the inequality for the negative

x+1 ≤12     x+1 ≥-12

Subtract 1 from each side

x+1-1 ≤12-1   and   x+1-1 ≥-12-1

x ≤11   and     x ≥-13

-13  ≤ x  ≤ 11

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Reference angle for -19pi/6? 
kow [346]
\bf \cfrac{19}{6}\implies 3+\cfrac{1}{6}
\\ \quad \\\\
\cfrac{-19\pi }{6}\implies -\left(3\pi +\cfrac{1\pi }{6}  \right)\impliedby clockwise
\\ \quad \\\\
or\implies -\left(2\pi +\pi +\cfrac{\pi }{6}  \right)

go that much "clockwise", you'll end up at the 2nd quadrant,
the reference angle, is its reflective angle on the 1st quadrant

7 0
3 years ago
Given the length of three sides of a triangle, which is a right triangle?
RSB [31]

The aides of a right triangle will always satisfy the Pythagorean relationship ...

                   a² + b²=  c²

We can take each of these and try it out:

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(2) ... 12² + 18²  =  144 + 324  =  468
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(3) ... 15² + 26²  =  225 + 676  =  901
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(4) ...  40² + 50²  =  1,600 + 2,500  =  4,100
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8 0
2 years ago
Read 2 more answers
5 gal = is how many quarts
aleksandr82 [10.1K]

Answer:

20

Step-by-step explanation:

1 gallon = 4 quarts

5 0
2 years ago
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the height of a triangle is 7cm longer than its base. The area of the triangle is 60cm^2 What is the base of the triangle.
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Triangle area = (1/2) base * height
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8 0
3 years ago
I need help...WILL GIVE BRAINLIEST!!!!!!
Snezhnost [94]

Answer:

Step-by-step explanation:

1. 30 degrees (vertical angles)

2. 60 degrees (complementary angles)

3. 150 degrees (supplementary angles and vertical angles)

4. 90 degrees (complementary angles)

6 0
3 years ago
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