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lys-0071 [83]
3 years ago
10

The angles below are supplementary. What is the value of x? A pair of supplementary angles is shown. One angle measures 4x + 20,

and the other angle measures 40.
answers:

5

7.5

15

30
Mathematics
2 answers:
nikdorinn [45]3 years ago
6 0

Answer: The answer is D. 30

I took the FLVS test and got it correct, just so everyone knows it is right!

Hoochie [10]3 years ago
3 0

Answer:

x = 30

Step-by-step explanation:

If the angles are supplementary, that means that they add up to 180°.

That means 40 + 4x + 20 = 180°

Simplify: 60 + 4x = 180

Subtract: 4x = 120

Divide: x = 30

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SashulF [63]

Answer:

B) 13

Step-by-step explanation:

Average age means to calculate mean:

Mean = (Sum of all numbers)/(Number of numbers)

Mean = (14 + 14.5 + 12 + 11.5 + 15 + 13 + 10.5 + 13.5)/8

Mean = (104)/8

Mean = 13

5 0
3 years ago
As – 16a,<br> as – 4a3,<br> 2a3 + 8a - 4a2 - 16
vfiekz [6]

Answer:

1) as-16a

taknig a as common

=a(s-16)

2)as-4a³

taking a as common

=a(s-4a²)

3)2a³+8a-4a²-16

taking common terms

=2a(a²+4)-4(a²+4)

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i hope this will help you :)

7 0
3 years ago
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Alchen [17]

Answer: 5a: 5/8

Step-by-step explanation: sorry, thats the only one i can read `:)

5 0
3 years ago
Read 2 more answers
To cover a rectangular region of her yard, Penny needs at least 155 square feet of sod. The length of the
Tasya [4]

<u><em>To cover a rectangular region of her yard, Penny needs at least 170.5 square feet of sod. The length of the region is 15.5 feet. What are the possible widths of the region?</em></u>

<u><em></em></u>

<u><em>L=length=15.5 ft; W=width; A=area=>170.5 sq ft</em></u>

<u><em></em></u>

<u><em>L*W=>170.5 sq ft Divide each side by L</em></u>

<u><em></em></u>

<u><em></em></u>

<u><em>W=>170.5 sq ft/L</em></u>

<u><em></em></u>

<u><em>W=>170.5 sq ft/15.5 ft=>11 feet</em></u>

<u><em></em></u>

ANSWER: To cover at least 170.5 sq ft. the width must be at least 11 feet.

<h2><em><u>Brainly pls</u></em></h2>

5 0
3 years ago
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Rom4ik [11]

C) 94 degree's


All triangles add up to 180 degree's


180 - ( 52+34) = 94


- R3KTFORGOOD ☕

7 0
3 years ago
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