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2 years ago

15

.. it is recommended that an adult drink 64 fluid ounces of water every day Josie has already consumed 700 mL of water how many

more leader should I drink today

1 answer:

Scrat [10]2 years ago

4 0

1 fl. oz =.0296 L
64 fl. oz= 1.89 L

700mL = .70L
1.89-.7= 1.19L

You should drink 1.19 liters more to reach 64 fl. oz

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The radii of two circles are in the ratio of 3 to 1. Find the area of the smaller circle if the area of the larger circle is 27

Naddik [55]

ANSWER
$3\pi sq.\: in.$

EXPLANATION

Let R be the radius of the bigger circle and r, be the radius of the smaller circle.

Then their ratio is given as,

$R:r=3:1$

We can rewrite it as fractions to get,

$\frac{R}{r} = \frac{3}{1}$

We make R the subject to get,

$R = 3r$

The area of the bigger circle can be found using the formula,

$Area=\pi {r}^{2}$

This implies that,

$Area=\pi ({3r})^{2}$

$Area=9\pi {r}^{2}$

But it was given in the question that, the area of the bigger circle is 27π.

$27\pi=9\pi {r}^{2}$

We divide through by 9π to get,

$3 = {r}^{2}$

This means that,
$r = \sqrt{3}$

The area of the smaller circle is therefore

$= \pi {( \sqrt{3}) }^{2}$

$= 3\pi$

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3 years ago

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Find the slope and the y-intercept of the graph of the linear equation y=5/4x-7. The slope is ?, and the y-intercept is ?.

babunello [35]

Answer:

Not Linear.

Step-by-step explanation:

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2 years ago

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Can someone please help me (6th grade math) please and thank you!

Assoli18 [71]

Answer and Step-by-step explanation:

First, you create an expression that equals the perimeter of the shape.

5r + 2s + 3r + 2s + 5r + 2s + 3r + 2s

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Now we look at the students' expressions.

I can see that Brain's expression is equivalent to perimeter of the shape. Do you know why?

It is because his answer is the un-distributive version of our answer.

He simply took out the common number that is in 16 and 8, which 8.

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2 years ago

36 boys complete a school task in 4 hours. How many boys would be required to complete the same task in 2¼ hours?

vova2212 [387]

Answer:

20

Step-by-step explanation:

If 36 boys can conplete a task in 4 hours, then 19.35 boys could do it in 2 and a fourth hours.

You can set up an equation

A fourth of an hour is 15 minutes, so,

36 is to 4 as x is to 2.15, or,

36=4 as X=2.15

Multiply 2.15 by 36 (77.4)

77.4 divided by 4= 19.35.

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3 years ago

Anyone know how to factorise this please ?! :)

raketka [301]

9514 1404 393

Answer:

a) (x +2)(x +3)

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Step-by-step explanation:

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