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andreyandreev [35.5K]
4 years ago
15

10 POINTS SO PLEASE HELP!!!!!!!!!

Mathematics
1 answer:
aalyn [17]4 years ago
8 0
1 ) substitute the r in the equation for 1.2. 6 (1.2)+7= ?...... multiply then add for. answer. 7.2+7= 14.2 2) since the miles Hanna runs is unknown it makes it n. Julie runs 3 miles less than twice hunny runs. Therefore it should be 2n-3. 3) you would subtract the regular number from both sides first so 55-40= 15.. the equation would then be 5s=15 then you would divide both sides by 5...making s=3. 4) you would add the sum of 8 to the product of 2 and y to get 24 so it should be 8+2y=24
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Over the weekend halverson had put together 3/16 if a jigsaw puzzle while jamie put together 10/16 of the puzzle. Who had coplet
Luden [163]

Answer:

Jamie. by 7/16

Step-by-step explanation:

Halverson completed: 3/16

Jamie completed: 10/16.

To understand who completed more, look at the denominator. The common denominator is 16. Assume a puzzle has 16 pieces and Halverson did 3 out of 16 and Jamie did 10 out of 16. This means Jamie did more.

If you want to know by how much Jamie did more, it would be the difference of both the fraction. This means that 10 done by Jamie minus 3 done by Halverson, which is 7. So 7 out of 16 is the difference.

\frac{10}{16} -\frac{3}{16}

7 out of 16 can be written as 7/16

6 0
4 years ago
Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 4 h, and Car B traveled the dista
poizon [28]
The rate of Car A is x
The rate of Car B is x - 5

They travel the same distance. So we can make an equation:

4(x) = 4.5(x-5)

Solve for x.

4(x) = 4.5(x-5)
4x = 4.5x - 22.5

Subtract 4.5x on both sides

-0.5x = -22.5

Divide by -0.5 on both sides
x = 45

But we want the speed of Car B which is x - 5

So Car B's speed is 45 - 5 = 40

Your answer is 40
8 0
3 years ago
Write one hundred twenty-three and fourteen thousandths as a decimal number.
DochEvi [55]

Answer:

.12314

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
An amusement park charges $6 to enter, and $3 per game. If you paid a total of $18, how many games did you play?
seraphim [82]

Answer:

6$ is the correct answer have a good day :)

8 0
3 years ago
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Which describes the calculations that could be used to solve this problem? Lauren has 42 muffins to pack into boxes and bags. Sh
Marat540 [252]
The correct answer is D, 'Subtract 42 - 12. Then divide the difference by 3'. Lauren has 42 muffins, and she can put 12 of them into a box, leaving her with 30 muffins to fit into bags. If she can fit 3 muffins in each bag, and she wants to know how many bags she needs, then she needs to divide 30 by 3 to get 10. This means that she will need 10 bags of 3 muffins to completely pack 30 muffins. She started with 42, but 12 of those fit into the original box, so we don't have to worry about it.

Hope this helps!
6 0
3 years ago
Read 2 more answers
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