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ss7ja [257]
2 years ago
14

a pile of blocks has 40 blocks in the bottom row 36 blocks in the second row 32 blocks in the third row and so on until there ar

e only 4 blocks on the top row how many blocks are there in 7th row? how many blocks are there in all​
Mathematics
1 answer:
Pepsi [2]2 years ago
3 0
Piggy it by Bill gauge
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3 years ago
Solve for x using the<br> distributive property.<br> 9(5 - x) = 81<br> x = [?]
Ilya [14]

Answer:

\boxed {x = -4}

Step-by-step explanation:

Solve for the value of x:

9(5 - x) = 81

-Use <u>Distributive Property</u>:

9(5 - x) = 81

45 - 9x = 81

-Subtract 45 to both sides:

45 - 45 - 9x = 81 - 45

-9x = 36

-Divide both sides by:

\frac{-9x}{-9} = \frac{36}{-9}

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Which rule explains why these triangles are congruent?​
Nina [5.8K]

Answer:

SSS

Step-by-step explanation:

You can tell by the 2 dashes side and the one dash if that makes sense

6 0
2 years ago
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The temperature at 6:00 pm was 24°. At midnight the temperature 36° lower than 6:00pm . What was the temp at midnight?
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Answer:

-12°

Step-by-step explanation:

Man... I just did 36 minus 24, and since it says 36° lower I decided it was -12 degrees (24 - 36 is more accurate but I find it easier just to do it the other way)

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3 years ago
The distance Train A travels is represented by y=70x, where y is the distance in kilometers and x is the time in hours. What is
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Step-by-step explanation:

7 0
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