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Veronika [31]
3 years ago
14

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

ed a greater fraction of the jigsaw puzzle and by how much?
Mathematics
1 answer:
Luden [163]3 years ago
6 0

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

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The difference between 2 numbers is 8. The sum of the two numbers is 20. Find the number. ​
Igoryamba

Answer:

The numbers are 6 and 14

Step-by-step explanation:

Let the two numbers be x and y

x-y = 8

x+y = 20

Add the two equations

x-y = 8

x+y = 20

-----------------

2x = 28

Divide by 2

2x/2 = 28/2

x = 14

Subtract the two equations

x-y = 8

-x-y = -20

-----------------

-2y = -12

Divide by -2

-2y/-2 = -12/-2

y = 6

The numbers are 6 and 14

3 0
3 years ago
Read 2 more answers
Hadassa is hiking at a rate of 5 miles per hour. At this rate, how long will it take her to hike 32.5 miles? I NEED HELP PLEASE
uranmaximum [27]

Answer:

6.5 hours

Step-by-step explanation:

8 0
2 years ago
PLZ HELP
Ludmilka [50]

Answer: No, 40 months isn’t reasonable.

Step-by-step explanation:

For Shellie: 40*3 = 120 cm in 40 months

For Carley: 40*2 = 80cm in 40 months

Next we add the amount of hair they have already to the amount of centimeters would grow.

Shellie: 120+10 = 130cm

Carley: 80+20 = 100cm

So if the girls wanted to cut their hair at the exact length, 40 months isn’t a reasonable solution.

3 0
3 years ago
Part of the graph of the function f(x) = (x - 1)(x + 7) is
algol [13]

Answer:

True: B, C and D

Step-by-step explanation:

The graph of the function is shown in the attached diagram.

The vertex of the parabola (parabola is the graph of the function f(x)) is at (-3,-16), because

x_v=\dfrac{1+(-7)}{2}=-3\\ \\y_v=f(-3)=(-3-1)(-3+7)=-4\cdot 4=-16

So, option A is false and option B is true.

As you can see from the graph, the function is increasing for all x>-3, thus option C is true.

The graph is positive for x<-7 and x>1 and negative for -7<x<1, so option D is true and option E is false.

8 0
3 years ago
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Help with factoring? ill give medals <br> Factor 80t - 16t = 0
gladu [14]
<span>Factor 80t - 16t = 0
</span><span>
= 16t(5 - 1)
------------------------------</span>
8 0
3 years ago
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