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2 years ago

Please help me with math and thank you

Mathematics

1 answer:

o-na [289]2 years ago

3 0

Answer: 864 square inches (choice A)

Work Shown:

area = length*width

area = 36*24

area = 864

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You discovered 1000 grams of an unknown element called Coolium 23 that has a half life 23 days. How long will it take for you to

Trava [24]

Answer:

13.8 days

Step-by-step explanation:

In this case we can solve it by means of a rule of three, knowing the amount of life for 1000 grams, it must be proportional for 600 grams, like this:

grams days

1000 23

600 x

x = 600 * 23/1000

x = 13.8

which means that for the 600 grams it would be an average life of 13.8 days.

4 0

2 years ago

HELP ME PLEASE!!!!! IM DYING WITH ALL THIS MATH HW

trasher [3.6K]

3x=129 , x =43 distribute 3 to get x by itself

5 0

2 years ago

Read 2 more answers

Can you pls help me thank you have a good day

KengaRu [80]

Answer:

y = 2x + 3

Step-by-step explanation:

3 is the constant

2 is the rate at which recieves

So, y = 2x + 3

8 0

2 years ago

Read 2 more answers

A bottle of water contains 500 ml.

podryga [215]

Answer:

650ml

Step-by-step explanation:

30% = 0.30

0.30 x 500 = 150

500 + 150 = 650

8 0

2 years ago

How to do the problem

marta [7]

There are 153 people who each ate 1/4 pounds. Therefore, the amount of watermelon eaten is 153/4 pounds.
The amount of watermelon served is
$8 \frac{1}{4} + 9 \frac{1}{4} + 8 \frac{7}{8} + 9 \frac{5}{8} + 10 \frac{3}{4}$
$= \frac{8 \times 4 + 1}{4} + \frac{9 \times 4 + 1}{4} \\ + \frac{8 \times 8 + 7}{8} + \frac{9 \times 8 + 5}{8} \\ + \frac{10 \times 4 + 3}{4}$
$= \frac{33}{4} + \frac{37}{4} + \frac{71}{8} + \frac{77}{8} + \frac{43}{4} \\ = \frac{33 \times 2}{4 \times 2} + \frac{37 \times 2}{4 \times 2} + \frac{71}{8} \\ + \frac{77}{8} + \frac{43 \times 2}{4 \times 2}$
$= \frac{66 + 74 + 71 + 77 + 86}{8}$
$= \frac{374}{8} = \frac{186}{4}$
There is 186/4 total watermelon. Minus the 153/4 that was eaten,
$\frac{186 - 153}{4} = \frac{33}{4} = 8 \frac{1}{4}$

The leftover watermelon is 8 & 1/4 pounds.

6 0

2 years ago