On the last history quiz, Knesha answered 0.75 of the 20 question correctly How many questions did Kanesha answer correctly?

1 answer:

5 0

.75 is 75% of the test, and 75 of 20 is equal to 1/4. So 20/4 is equal to 5, meaning 5 questions were wrong, and 15 were answered correctly.

I hope this was not too confusing for you.

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This was wrong.. Why?

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Answer:

5/14

Step-by-step explanation:

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Answer:

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4 hours subtract 4 from 6 and add 2 and their you go

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What is the surface area of this cube the dimensions are 5 cm 4 cm 5cm starting from lxwxh

Mashcka [7]

Given: A cuboid with the dimesion below:

$5\operatorname{cm}by4\operatorname{cm}by5\operatorname{cm}$

To Determine: The surface area of the cuboid

The formula for finding the surface area of a cuboid is given as:

$A_{\text{Cuboid Surface Area}}=2(l\times w+l\times h+w\times h)$

From the diagram, it can be seen that

$\begin{gathered} l=\text{length}=5\operatorname{cm} \\ w=\text{width}=4\operatorname{cm} \\ h=\text{height}=5\operatorname{cm} \end{gathered}$

Substitute the given into the formula as shown below:

$\begin{gathered} A_{\text{Cuboid Surface Area}}=2(l\times w+l\times h+w\times h) \\ A_{\text{Cuboid Surface Area}}=2(5cm\times4cm+5cm\times5cm+4cm\times5cm) \\ A_{\text{Cuboid Surface Area}}=2(20cm^2+25cm^2+20cm^2) \\ A_{\text{Cuboid Surface Area}}=2(65\operatorname{cm}^2) \\ A_{\text{Cuboid Surface Area}}=130\operatorname{cm}^2 \end{gathered}$

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<h3>Answer: addition property of inequality</h3>

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Explanation:

These are the steps to focus on

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