2 years ago

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Mathematics

1 answer:

Serggg [28]2 years ago

5 0

Answer:

hmmm interesting

Step-by-step explanation:

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Penelope earned $50 in May. She earned $60 in June.

eduard

Answer:

120% increase

Step-by-step explanation:

7 0

3 years ago

81a raised to the power of 2 minus 25

muminat

81a²-25 would be the answer I'm pretty sure. Hopefully I helped.

8 0

2 years ago

Read 2 more answers

the interest on an investment varies directly as the rate of of interest. if interest is $47 when interst rate is 5% find the in

NNADVOKAT [17]

Answer:

The interest when rate is 5.2% is $48.88

Step-by-step explanation:

if interest (I) varies directly as interest rate (R)

Then

I ∝ R

I=cR

c= constant

if interest is $47 when interest rate is 5%

47 =.05c

c = 940

if interest rate is 5.2% then

I = 940 x .052

=48.88

=$48.88

7 0

3 years ago

A handful of chewing gum contains 5 red pieces out of 11. What is the probability that a randomly selected

bezimeni [28]

Find the number of pieces that aren't red, by subtracting the red from the total:

11 - 5 = 6 are not red.

The probability is the number of none red, over the total number of pieces: 6/11

8 0

3 years ago

Evaluate a^2b^2? when a = 5 and b = 3.

kvasek [131]

Answer:

$D) 7$

Step-by-step explanation:

$a^{2} -2b^{2}$

$a=5$

$b=3$

$\left(5\right)^2-2\left(3\right)^2$

Calculate 5 to the power of 2 and get 25:-

$25-2\times 3^{2}$

Calculate 3 to the power of 2 to get 9 and then multiply 2 and 9 to get 18:-

$25-18$

$=7$

<u>OAmalOHopeO</u>

5 0

2 years ago