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3 years ago

PLZ HELP!! Need the answer!!!

Mathematics

2 answers:

Amiraneli [1.4K]3 years ago

6 0

Yes they are the same because when the negative is distributed into (an+c), the plus sign becomes a negative.

ziro4ka [17]3 years ago

4 0

They are the same. #batgirl

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2. The average human heart beats 60 beats per minute. How many times does a heart

love history [14]

Answer:

31536000

Step-by-step explanation:

if the average heart beats 60 beats per minute and there are 525600 minutes in a year multiply

4 0

2 years ago

Read 2 more answers

Equivalent fraction for ½.

labwork [276]

Answer:

2/4

Step-by-step explanation:

half/whole for any number really

5 0

3 years ago

A square garden with side length of 50 has a square shaped fountain display with length of 12 feet at the exact center of garden

nadezda [96]

Answer:

The area of the garden is $2356\ ft^2$

Step-by-step explanation:

<u>Area of a Square</u>

Given a square of a side length of x, the area is calculated as:

$A = x^2$

There is a square garden area of a side length of x=50 feet. The area is:

$A_1=50^2=2500\ ft^2$

Inside of it, there is another square area for a fountain display of a side length of 12 feet. The area is:

$A_2=12^2=144\ ft^2$

The area of the garden is the difference between A2 and A1:

$A_g=A_2-A_1=2500\ ft^2-144\ ft^2$

$A_g=2356\ ft^2$

6 0

3 years ago

Why wuld 8/4 be considerd a whole number

kumpel [21]

Answer:

because 8/4=2

Step-by-step explanation:

4/4=1

8/4=2

it's because the numerator is bigger if it were 6/4 it would be a mixed number but the eight goes in to 4 directly 2 time so therefore it's 2.

3 0

3 years ago

The navy contract was for 2,314 devices and took 23 workers two weeks (40 hours per week) to complete. The army contract was for

AlekseyPX

Answer:

0.408 hour / device

Step-by-step explanation:

As we know The army contract was for 4,707 devices that were produced by 16 workers which means 1 worker can produce: $\frac{4707}{16}$ ≈294 devices in 3 weeks.

<=> 294 devices= 3*40 hours

<=> 294 devices = 120 hours

<=> 1 device = 120/294 = 20/49 ≈ 0.408 hour

So it takes 0.408 hour for a worker to finish producing 1 devicein the army contract

3 0

3 years ago