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notsponge [240]
2 years ago
11

PLEASE HELP WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER.

Mathematics
2 answers:
elixir [45]2 years ago
8 0

Answer:

20 degrees

Step-by-step explanation:

frosja888 [35]2 years ago
8 0

Answer:

20 degrees

Step-by-step explanation:

I got help from my teacher.

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Convert 120 Ibs to kilograms
posledela

Answer:

54.431 kilograms

Step-by-step explanation:

don't have step by step but 1kg is 2.205lbs

7 0
2 years ago
'The length of a rectangle is 6 feet more than three
olga_2 [115]

Answer:

length : 15 ft

width : 3 ft

Step-by-step explanation:

perimeter = 2×l(ength) + 2×w(idth) = 36

l = 3w + 6

=> 2×(3w+6) + 2w = 36

6w + 12 + 2w = 36

8w = 24

w = 3

=> l = 3w + 6 = 3×3 + 6 = 9+6=15

3 0
2 years ago
Solve each equation by completing the square NEED THIS IN 10 MINS WILL GIVE BRAINLIEST
yulyashka [42]

Answer:

Step-by-step explanation:

7(b² - 2b - 8) = 0

7(b² - 2b +   ) = 8

7(b² - 2b + 1) = 8 + 1

7(b - 1)² = 9

(b - 1)² = 9/7

b - 1 = ±√(9/7)

b = 1 ±3√(1/7)

b ≈ -0.134, 2.134

m² + 10m + 14  = -7

m² + 10m +      = -7 - 14

m² + 10m + 25 = -7 - 14 + 25

(m + 5)² = 4

m + 5 = 2

m = -3

p² - 8p + 21 = 6

p² - 8p +     = 6 -21

p² - 8p + 16 = 6 -21 + 16

(p - 4)² = 1

p - 4 = 1

p = 5

4 0
2 years ago
Someone help me please! :D
alexandr402 [8]
The angles of a quadrilateral add to 360, so we can solve for x by adding the 4 angle measures together and setting it equal to 360:

90 + 140 + (x - 10) + (x - 20) = 360

Combine like terms:

230 + 2x - 30 = 360

200 + 2x = 360

200 - (200) + 2x = 360 - (200)

2x = 160

Divide both sides by 2:

2x/(2) = 160/(2)

x = 80
3 0
2 years ago
Mia charges $2.25 per hour when she babysits plus $5.00 for transportation expenses. Write a function rule to represent the amou
spayn [35]

Answer:

c

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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