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3 years ago

if angle A and angle B are complementary angles and measure angle A =2 measure angle B find measure angle A and measure angle B

Mathematics

1 answer:

katen-ka-za [31]3 years ago

3 0

If A = 2B, Then A is twice as much as B

A and B are complementary, meaning they add to 90.

So the answer is B) 60 and 30

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Simplify: 3(r + 12r^2) – 2(r + 8)

Morgarella [4.7K]

Answer:

36r^2+r-16

Step-by-step explanation:

i did it

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3 years ago

Read 2 more answers

Sally went to the clearance rack at a department store and found a shirt she wanted to buy. The shirt was $36.00 and is on sale

jeka57 [31]

Answer:

33.34%.

Step-by-step explanation:

Given that,

The actual price of the shirt = $36

Price on sale = $24

We need to find the percent of the decrease. The formula for the percentage is given by :

$\%=\dfrac{|\text{actual value-estimated value}|}{\text{actual value}}\times 100$

Putting all the values,

$\%=\dfrac{24-36}{36}\times 100\\\\=33.34\%$

So, the percentage decrease in the price of the shirt is 33.34%.

6 0

3 years ago

Which is the diameter of a rectangle whose circumference is 13653 cm and one side is 5431 cm

leonid [27]

Answer:

See below

Step-by-step explanation:

If by circumference you meant perimeter and diameter you mean length, then here is my answer.

Perimeter = 2L+ 2W

13653= 2*L + 2*5431

13653= 2L + 10862 Subtract 10862 from both sides

2791= 2L Divide by 2

L= 1395.5

The diameter is 1395.5

6 0

3 years ago

42 is 30% of what number??? Add work plz

romanna [79]

X - the number

$30\% x =42 \\
\frac{30}{100}x=42 \\
\frac{3}{10}x=42 \\
x=42 \times \frac{10}{3} \\
x=\frac{420}{3} \\
x=140$

42 is 30% of 140.

7 0

3 years ago

Which distance measures 7 units?

Elza [17]

Answer:

the distance between points L and M

8 0

3 years ago