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4 years ago

A-5 3/5= 3 2/7 What is a?

1 answer:

3 0

First you need to combine like terms, because the like terms are on opposite sides of the equation you will need to add one from both sides.

a-5 3/5=3 2/7
+5 3/5 +5 3/5
a=8.885

so 8.885 is your answer

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4 days ago, Emily blew up a balloon (that is a perfect sphere) to a radius of 5 cm5\text{ cm}5 cm. Since then, the balloon has l

Eduardwww [97]

Answer: $\frac{27}{125}$

Step-by-step explanation:

Since, the radius of the balloon 4 days ago = 5,

⇒ $\text{Volume of the balloon 4 days ago} =\frac{4}{3}\times \pi (5)^3$

$=\frac{4}{3}\pi(125)$

$=\frac{500}{3}\pi$

Now, if the radius is decreased by 0.5 cm each day,

Then the current radius of the balloon = 5 - 4 × 0.5 = 5 - 2 = 3 cm,

⇒ $\text{Volume of the balloon now} =\frac{4}{3}\times \pi (3)^3$

$=\frac{4}{3}\pi(27)$

$=\frac{108}{3}\pi$

Thus, the ratio of the current volume of the balloon to the volume of the balloon 4 days ago

$=\frac{\frac{108}{3}\pi}{\frac{500}{3}\pi}$

$=\frac{108}{500}$

$=\frac{27}{125}$

⇒ Option A is correct.

7 0

3 years ago

The probability density function f(x) of a random variable X that has a uniform distribution between a and b is:

Lunna [17]

The probability density function (pdf) is;

f(x)= $\frac{1}{b - a}$ for a ≤ x ≤ b.

while the mean is given as $\frac{a + b}{2}$

And the standard deviation given as $\sqrt{\frac{(b - a)^{2} }{12} }$

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tangare [24]

Answer:

132=11x12

Step-by-step explanation:

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I need help with this compound inequality :p #23

Bumek [7]

X < -1

Hope this help

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What is 42x - 7y ? Find the answer to the question please.

zvonat [6]

<span>42x - 7y = 7(6x - y)

</span>
<span>I hope this helps</span>

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