I need help with this

Mathematics

1 answer:

Fynjy0 [20]3 years ago

3 0

Answer: 216 in

Step-by-step explanation: I used the formula A=1/2(b1+b1)h and I filled it in by doing A=1/2(6+12)6 and then I divided the height by 1/2 and i multiplied 72 by 3 which is 216 in.

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A number divided by 43 has a quotient of 3 and a remainder of 28. Find the number

svp [43]

You are given the unknown number which has a quotient of 3 and a remainder of 28. This means that 3 is the whole number from the division of the unknown number and 43 and 28 is the decimal, 3.28. Also, the number is divided by 43 too. Let us denote n as the number so we have n/43. Then equate the n/43 to 3.28.

n/43 = 3.28
n = 43 (3.28)
n = 141.04
<span>The number is 141. 04</span>

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3 years ago

Emmanuel bought 28 lb of potting soil this week. This amount is 4 lb more than twice the amount of potting soil he bought last w

Kruka [31]

Hello There,

P represent the unknown information.

Write an equation to model the problem. 28 ÷ 2 – 4 .

P number, 10, 11, or 12, will solve the equation in Part (b)? Show your work. The reason 10 solves the equation is: 28 ÷ 2 – 4 = 10.

28 ÷ 2 – 4=14-4=10

Hope this helps Have a Wonderful Day! Bye!

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3 years ago

A growth medium is inoculated with 1,000 bacteria, which grow at a rate of 15% each day. What is the population of the

kykrilka [37]

Answer:

therefore the population of the culture is 2313

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3 years ago

Bottling cola A bottling company uses a filling machine to fill plastic bottles with cola. The bottles are supposed to contain 3

erik [133]

Answer:

$P(X$

And we can find this probability using the normal standard table or excel:

$P(Z$

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem

Let X the random variable that represent the amount of ml of a population, and for this case we know the distribution for X is given by:

$X \sim N(298,3)$