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2 years ago

Question 3 please NO spam math grade 7

Mathematics

2 answers:

Alexeev081 [22]2 years ago

4 0

Answer:

Step-by-step explanation:

1. right

2. right

3. right

4. right

5. wrong

6. right

im not 100% sure but this is what i think

pychu [463]2 years ago

3 0

Answer: The answer is A and D

Step-by-step explanation:

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natima [27]

Answer:

the last one -) -7

Step-by-step explanation:

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2 years ago

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kati45 [8]

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2 years ago

tire and Jody's bedroom are shaped like rectangles Terrace bedroom is 9 ft long and 8 feet wide Jody's bedroom is 7 ft long and

zloy xaker [14]

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3 years ago

In order to solve for the variable in the equation 1-(x+2)+ 2X= 5(2x-5)- Mikel first applies the distributive property.

zhuklara [117]

The anwser to this is number 4

6 0

3 years ago

3. A piece of white oak has a densityof 0.77 g/cm and a mass of 100 g,what would be the volume of thesample? PLEASE HELP!

Nezavi [6.7K]

$\text{Volume}=129.87cm^3$

Explanation

Step 1

the density of an object is given by:

$\text{density}=\text{ }\frac{mass}{\text{volume}}$

Step 2

let

$\begin{gathered} \text{density}=0.77\frac{g}{cm^3} \\ \text{mass}=\text{ 100 g} \\ \end{gathered}$

Step 3

replace,

$\begin{gathered} \text{density}=\text{ }\frac{mass}{\text{volume}} \\ 0.77\frac{g}{cm^3}=\frac{100g}{\text{volume}} \\ \text{volume}\cdot0.77\frac{g}{cm^3}=\text{1}00\text{ g} \\ \\ \text{Volume}=\frac{100\text{ g}}{0.77\frac{g}{cm^3}} \\ \text{Volume}=129.87cm^3 \end{gathered}$

I hope this helps you

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1 year ago