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Kaylis [27]
3 years ago
8

Question: What is the complementary angel of 31 degrees? A.97 B.67 C.57 D.87

Mathematics
1 answer:
Alona [7]3 years ago
6 0
The complement of 31° is the angle that when added to 31° forms a right angle (90° ).
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Solve the equation of 5(3−4)=8+15
Zigmanuir [339]

Answer:

-5 ≠ 23

Step-by-step explanation:

5(3−4)=8+15

5(-1) = 8 + 15

-5 = 23

-5 ≠ 23

6 0
3 years ago
Evaluate d – 6.3 when d = 4.26.
ki77a [65]
D - 6.3

Plug in 4.26 for 'd':

4.26 - 6.3 = -2.04
8 0
4 years ago
2x + 3 + 4x + 6 + 12x + 18 = 477<br><br> Please answer with solving steps. Thanks guys :)
dybincka [34]

Answer:

x= 25

Step-by-step explanation:

2x + 3 + 4x + 6 + 12x + 18 = 477

FIRST combine like terms

take all "x"

2+4+12= 18x

take all whole numbers

3+6+18= 27

18x+27= 477

now solve for x

-27 on both sides

18x= 450

÷18 on both sides

x= 25

3 0
3 years ago
Read 2 more answers
Situation:
Zigmanuir [339]

It will take 4 year for the account to reach $5,500.

<h3>How to find the amount?</h3>

The formula we use to calculate the amount is

A = P(1+r)¹

Where, P= amount of money invested

r = interest rate percentage in decimal form

t = time in years

A = total money in the account at time

Tina wants to save money for school.

Tina invests $400 in an account that pays an interest rate of 8%.

A = P(1+r)¹

5500 = 400(( 1 + 0.08)^t

5500/ 400 = ( 1 + 0.08)^t

55/ 4 = (1.08)^t

13.75 = (1.08)^t

t = 4

It will take 4 year for the account to reach $5,500.

Learn more about interest;

brainly.com/question/1310706

#SPJ1

8 0
2 years ago
Name the length of the sides of three rectangles that have perimeter of 14 units.
andrey2020 [161]
5 and 3 and 6
5 and 5 and 4
4 and 4 and 6
6 0
4 years ago
Read 2 more answers
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