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dezoksy [38]
3 years ago
14

Eighteen friends are going to the beach. If each car holds 5 people, how many cars need to be driven to the beach in order for a

ll of the friends to have a ride?
Mathematics
2 answers:
ANTONII [103]3 years ago
8 0

Answer:

4 cars

Step-by-step explanation:

18 people(friends)

5x4=20

Which means there is going to be 2 extra seats. Four cars with five seats 3x5=15. This means you would need 3 more seats so you need a whole other car. Which means you have 4 cars.

Hope this helps.

antiseptic1488 [7]3 years ago
6 0

Answer:

4

Step-by-step explanation:

4 because each holds 5 people. If there were 3 cars, only 15 people would be able to go. There will be two extra spaces in the car.

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If a pyramid has a square base with side length s and height h, which formula represents the volume of the pyramid?
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V = s^2(h/3)
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3 years ago
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Simplify the expressions and evaluate for (i) y = -2, (ii) y = 3.<br> 3y (2y-7) - 3 (y - 4) - 63
Diano4ka-milaya [45]

Simplified expression is 6y² - 24y - 51. Value for y=-2 is 21 and value for y=3 is  -69.

Step-by-step explanation:

  • Step 1: Given expression is 3y(2y-7) - 3(y - 4) - 63. Simplify it.

⇒ 6y² - 21y - 3y + 12 - 63

⇒ 6y² - 24y - 51

  • Step 2: Find value of the expression for y = -2

⇒ 6y² - 24y - 51 = 6(-2)² - 24(-2) - 51 = 24 + 48 - 51 = 21

  • Step 3: Find value of the expression for y = 3

⇒ ⇒ 6y² - 24y - 51 = 6(3)² - 24(3) - 51 = 54 - 72 - 51 = -69

8 0
4 years ago
The two conditional relative frequency tables show the results of a neighborhood survey on the number and types of gardens in th
umka2103 [35]

Answer:

...what :V

Step-by-step explanation:

4 0
3 years ago
Jasmine had a carrot cake with cream cheese frosting for her birthday .she and her friend each ate 1/4 of the cake and jasmine's
zloy xaker [14]
Hey there!

To solve this problem, you first would need to solve for how much of the cake is left after Jasmine, her friend, and Jasmine's brother got their slices. Then, you would need to split the remaining amount in half to get the answer of what each parent ate. We would need to make all of the denominators the same, so let's make all of the fractions out of 12, a common denominator of 3 and 4. 

\frac{12}{12} - \frac{1}{4} - \frac{1}{4} - \frac{1}{3}
\frac{12}{12} - \frac{3}{12} - \frac{3}{12} - \frac{4}{12}
\frac{12}{12} - \frac{10}{12} = \frac{2}{12}

It can then be concluded that each parent ate \frac{1}{12} of the cake, since there was \frac{2}{12} remaining. 

You can check this answer by adding up all of the parts we used in this problem:

\frac{3}{12} + \frac{3}{12} + \frac{4}{12} +  \frac{1}{12} +  \frac{1}{12} = \frac{12}{12}

Hope this helped you out! :-)
3 0
3 years ago
Find the error in the problem below
qaws [65]

Answer:

You aren't supposed to add 3k

Step-by-step explanation:

3k is a positve number. So instead of adding you have to subtract to be able to move on. Correct way shown below. Once you get this step wrong your answer will also be wrong. At the end you also need to divide

19-2k= 3k-1

  -3k  -3k

19-5k= -1

-19      -19

 -5k= -20

-5/-5= -20/-5

    k=4

7 0
3 years ago
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