3 years ago

One last question, I really need help

Mathematics

2 answers:

andriy [413]3 years ago

7 0

48x20x5 = volume
Volume = 4800inches squared

kozerog [31]3 years ago

5 0

Answer:

4800 inches

Step-by-step explanation:

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Suppose the number of a particular type of bacteria in samples of 1 milliliter (ml) of drinking water tend to be approximately n

Irina-Kira [14]

Answer: 0.0475

Step-by-step explanation:

Let x = random variable that represents the number of a particular type of bacteria in samples of 1 milliliter (ml) of drinking water, such that X is normally distributed.

Given: $\mu=85,\ \ \sigma=9$

The probability that a given 1-ml will contain more than 100 bacteria will be:

$P(X>100)=P(\dfrac{X-\mu}{\sigma}>\dfrac{100-85}{9})\\\\=P(Z>1.67)\ \ \ \ [Z=\dfrac{X-\mu}{\sigma}]\\\\=1-P(Zz)=1-P(Z$

∴The probability that a given 1-ml will contain more than 100 bacteria

0.0475.

3 0

3 years ago

Help with number 7 !!!

FrozenT [24]

A is the correct answer i think

3 0

2 years ago

Which expression represents the phrase the product of 15 and the quantity 12 more than a number x

Stells [14]

<span>The equation that represents the product of 15 and the is 12 more than a number would be (x+12)15=y. !</span>

8 0

3 years ago

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Rachel bought turkey for a cookout she used the turkey to make 1/4 pound burgers if Rachel bought 4 1/2 pounds of turkey how man

zysi [14]

Answer:

the answer is 18 burgers

Step-by-step explanation:

u have to do 4 1/2÷1/4=18 burgers

Hope this helps!!!

6 0

3 years ago

What is 2/3 + 1/4<br>*please help*

Tcecarenko [31]

$\frac{2}{3}+\frac{1}{4}$

Re-write with a common denominator, in this case 12:

$\frac{2 \times 4}{3 \times 4}+\frac{1 \times 3}{4 \times 3}$
$\frac{8}{12}+\frac{3}{12}$

Add:
$\frac{8}{12}+\frac{3}{12} = \frac{11}{12}$

6 0

3 years ago

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