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3 years ago

11

Red blood cells diffuse gas in and out of the bloodstream. Find the surface to volume ratio for a red blood cell using the infor

mation in the table. Assume the cell is cubed shape for simplicity.
Formulas:
Surface area = 6(s^2)
Volume=lwh
Ratio=SA/V

1 answer:

Tems11 [23]3 years ago

6 0

Answer:

1.29

Step-by-step explanation:

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Solve for x. round to nearest hundredth. PLS HELPP. will award brainliest

DENIUS [597]

Answer:

$18.03$

Step-by-step explanation:

<u>Formula:</u> $a^{2}+b^{2}=c^{2}$

$15^{2}+10^{2}=x^{2}$

$225+100=x^{2}$

$x^{2}=325$

$x = 5\sqrt{13}=18.03$

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2 years ago

Derek is going to lay grass in a rectangular space that measures 85 by 32 feet.

adoni [48]

Answer:

2720 feet squared

Step-by-step explanation:

85 * 32 = 2720

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3 years ago

Mario has 1,000 dollars. He gives 100 dollars to his friend. He gave __________ of his money to his friend.

Katen [24]

Answer:

1/10

Step-by-step explanation:

1/10 is the answer bc he gave his friend 100/1000 simplified form 1/10

8 0

3 years ago

Write the standard form of the line that passes through the given points. Include your work in your final answer. Type your answ

Nata [24]

Answer: $5x-3y=44$

Step-by-step explanation:

We know that , the equation of a line that passes through (a,b) and (c,d) is given by :_

$(y-b)=\dfrac{d-b}{c-a}(x-a)$

Standard form of equation of line = $Ax+By=C$

Given points = (7, -3) and (4, -8)

Then, the equation of a line that passes through the points . (7, -3) and (4, -8) is given by -

$(y-(-3))=\dfrac{-8-(-3)}{4-7}(x-7)$

$(y+3)=\dfrac{-8+3}{-3}(x-7)$ [∵ (-)(-)=(+)]

$(y+3)=\dfrac{-5}{-3}(x-7)$

$(y+3)=\dfrac{5}{3}(x-7)$

$3(y+3)=5(x-7)$

$3y+9=5x-35$

$9+35=5x-3y$

$44=5x-3y$

Or $5x-3y=44$

Hence, the required equation :- $5x-3y=44$

4 0

3 years ago

Jamal worked over summer at his dads office. He earned $2200 total. He is planning on spending his money on a $50 per month gym

Tju [1.3M]

Answer: He will have $1974 in April.

Step-by-step explanation:

Given : Total money he earned = $2200

He spent $50 per month gym membership, a $68 monthly phone plan $48 monthly gas plan and $60 monthly fun plan.

So , Money he has left = Money he earned - Total expenditure

= $ ( 2200- (50+68+48+60))

= $ (2200- 226)

= $ 1974

Hence, He will have $1974 in April.

3 0

3 years ago