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Gnesinka [82]
3 years ago
12

Let's see who gets this:) so far no one has got it ​my bad it's science work

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
7 0

-Oxygenated blood is pumped to the rest of the body via the aorta.

-Deoxygenated blood (blood that needs oxygen) coming from the body.

-Then is pumped to the right ventricle.

-Then is pumped to the lunges to get oxygen via the pulmonary artery,

-Oxygenated blood from the lunges flows into the left atrium via the pulmonary vein.

-Flows into the right atrium.

-Then is pumped into the left ventricle.

I'm very confident in this answer, but if it happens to be wrong, I'm sorry.

I hope this helps, good luck!

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a rectangle swimming pool is 4 ft deep. one side of the pool is 2.5 times longer than the other. the amount of water needed to f
mojhsa [17]

Find the are of the pool by dividing the volume by the depth:

1960 / 4 = 490

The pool is 490 square feet.


Area is found by multiplying the length by the width.

Let the width = X

We are told the length is 2.5X ( 2.5 times longer)


So we now have 2.5x * x = 490


2.5x * x = 2.5x^2


Now we have 2.5x^2 = 490


Divide both sides by 2.5:

x^2 = 490/2.5

x^2 = 196

find X by taking the square root of 196:

x = √196

x = 14


The width is 14 feet

The length is 2.5 * 14 = 35 feet

8 0
3 years ago
For a car moving at a constant speed, the distance traveled varies directly with the time spent driving. If such a car travels 2
ipn [44]

Answer:

120 miles.

Step-by-step explanation:

Use long division to find how many miles the car travels in 1 hour then we multiply by 4

: (7÷210=30)×4=120miles. Hope this helped ;D

6 0
3 years ago
A bicycle store costs ​$2700 per month to operate. The store pays an average of ​$65 per bike. The average selling price of each
vladimir2022 [97]

Answer:$90

Step-by-step explanation:

how much they sell for $95 minus how much they cost $65 equals $30 then divid how much rent is $2700 by the $30 equals $90

or

$95-$65=$30

$2700÷$30=90

7 0
4 years ago
How do you do inequalities
fgiga [73]
So some quick tips for inequalities:
**What you do to one side you HAVE TO do it to the other 2**
**If you ever divide a negative number past the inequality signs, the signs FLIP!!**
(e.g. 2>-5x>25)
-2/5 <x < -5

I hope that this has helped!
8 0
3 years ago
5 (u + 1) -<br>7 = 3<br>3 (u - 1) + 2u​
frez [133]

Correct Question:

5 (u + 1) - 7  = 3 (u - 1) + 2u.

Solve for u

Answer:

See explanation below

Step-by-step explanation:

In this given question, we are required to find u.

Given the equation:

5 (u + 1) - 7 = 3 (u - 1) + 2u​

Required:

Solve for u

To find u, first simplify both sides individually.

Simply 5 (u + 1) - 7:

Expand the parenthesis:

5u + 5 - 7

Collect like terms:

5u - 2

<em>Simplify 3 (u - 1) + 2u​:</em>

Expand the parenthesis:

3u - 3 + 2u

Collect like terms:

3u + 2u - 3

5u - 3

Bring both simplified equations together:

5u - 2 = 5u - 3

5u - 5u - 2 = -3

-2 = -3

Since -2 ≠ -3, there is no solution.

Therefore, we can say the equation is invalid.

3 0
4 years ago
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