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3 years ago

Which of the following is equivalent to 15.45 + ( − 98.25 ) 15.45+(-98.25)

Mathematics

1 answer:

Leona [35]3 years ago

6 0

Answer:

-82.8

Step-by-step explanation:

15.45 + ( − 98.25)

15.45 - 98.25

= -82.8

Since the two terms are of opposite signs, you have to subtract and use the sign of the greater term (positive or negative)

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tresset_1 [31]

Answer:

$81.55

Step-by-step explanation:

$15+15%=15x1.15=$17.25

$23+10%=23x1.1=$27.50

$32+15%=32x1.15=$36.80

Total=$81.55

(Time to find a cheaper shop)

4 0

3 years ago

. Sara teaches aerobics classes as a part-time job. The amount of money she earned is shown in the table below. Based on the inf

nikitadnepr [17]

Answer:

She should earn 225 dollars.

Step-by-step explanation:

I know this because 50 ÷ 4 = 12.5 and 12.5 × 18 = 225.

3 0

2 years ago

Annie walks 15 feet away from her house and places a mirror on the ground. She backs 4 feet away from the mirror so that she can

Firdavs [7]

Answer:

18.75 ft

Step-by-step explanation:

The given scenario can be drawn as shown in the following attachment.

Given that,

$m\angle DCE=\angle ACB$ and $m\angle DEC=\angle ABC=90^{\circ}$

Therefore, $\Delta ABC\sim \Delta DEC$

$\Rightarrow \dfrac{AB}{DE}=\dfrac{BC}{EC}$

$\Rightarrow \dfrac{AB}{5}=\dfrac{15}{4}$

$\Rightarrow AB=\dfrac{15\times 5}{4}=18.75$ ft

AB is the height of the house.

7 0

3 years ago

Read 2 more answers

a branch of mathematics that deals with the study of collecting, analyzing, interpreting, presenting, and organizing data in a p

saw5 [17]

Answer:

Statistics

Step-by-step explanation:

is the application of probability theory, a branch of mathematics, to statistics, as opposed to techniques for collecting statistical data.
the study and manipulation of data, including ways to gather, review, analyze, and draw conclusions from data.

7 0

2 years ago

Read 2 more answers

Log2+ log8=2<br><br>how do I do it?

soldi70 [24.7K]

Answer:

Step-by-step explanation:

log(2)+log(8) = 2

1.20412≠2

False

8 0

3 years ago