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leonid [27]
3 years ago
8

Which of the following shows 7 + (x + 4y) rewritten using the Associative Property of Addition? Select one: a. 7 + x + 4y b. 7x

+ (4 + y) c. (7 + x) + 4y d. x + (7 + 4y)
Mathematics
1 answer:
ipn [44]3 years ago
6 0
I'm pretty sure it's A. 7+x+4y, but I could be wrong.
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Radius is 7 cm surface is 880 cm square what is the length of the cylinder?
andreyandreev [35.5K]

Answer:

Step-by-step explanation:

surface area = 2πrL + 2πr² = 14πL + 98π

14πL + 98π = 880

14πL = 880-98π

L = (880-98π)/(14π) ≅ 55.9 cm

8 0
3 years ago
What is the value of k ?<br><br> 1/2 k+6=4k-8<br><br>-4<br>-3<br>3<br>4
nasty-shy [4]
The value of k in <span>

1/2 k+6=4k-8</span> 

is 4
7 0
3 years ago
If a truck averages 12 miles to the gallon, how many pounds of carbon dioxide are emitted into the atmosphere when the truck tra
77julia77 [94]

Answer: 278.30 pounds (if the gasoline does not contain ethanol)

317.12 pounds (if the gasoline does contain ethanol)

Step-by-step explanation:

If the truck averages 12 miles per gallon, then in 170 miles it consumes:

170mi/12mi = 14.17 gallons.

We know that for one gallon consumed, the carbon dioxide emitted into the atmosphere is 19.64 pounds. (assuming it does not contain ethanol)

Then for 14.17 gallons consumed, we have a emission of:

14.17*19.64 pounds = 278.30 pounds

I the gasoline contains ethanlol, for a gallon the emiision is around  22.38 pounds.

In this case the total emission is:

14.17*22.38 pounds = 317.12 pounds

3 0
3 years ago
There are 120 children standing in a line, every third child gets a rubber, every fourth child gets a ruler and every fifth chil
nevsk [136]

Answer:

It would be the 60th child

Step-by-step explanation:

3,6,9,12,

4,8,12,16,

5,10,15,

60 is the first number that can be divided by 60/3=20 60/4=15 60/5=12

Hope this helps<3

6 0
2 years ago
People attending a football game either supported the home team or the visiting team. if 1369 of the people attending supported
Masja [62]

Given the number of the people attending the football game, the percentage supporters for the home team is 37%.

<h3>What is Percentage?</h3>

Percentage is simply number or ratio expressed as a fraction of 100.

It is expressed as;

Percentage = ( Part / Whole ) × 100%

Given the data in the question;

  • Number of home team supporters nH = 1369
  • Number of visting team supporters nV = 2331
  • Percentage of supporters for home team PH = ?

For we determine the total number of people attending the football game;

nT = nH + nV

nT = 1369 + 2331

nT = 3700

Now, using the perecentage formula above, we find the Percentage of supporters for home team PH

Percentage = ( Part / Whole ) × 100%

PH = ( nH/ nT) × 100%

PH = ( 1369/ 3700) × 100%

PH = 0.37 × 100%

PH = 37%

Therefore, given the number of the people attending the football game, the percentage supporters for the home team is 37%.

Learn more about Percentages here: brainly.com/question/24159063

#SPJ1

6 0
2 years ago
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