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saw5 [17]
4 years ago
15

PLEASE HELP 20 POINTS

Mathematics
1 answer:
icang [17]4 years ago
4 0
1. (7/21) = 0.33
2. (6/21) - (3/21) = (3/21)
= 0.14
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What is a counterexample to the conditional statement?
posledela

Answer:

The number 9 is greater than 1 and less than 10, while its factors are 1, 3 and 9, therefore it is a counter example to the statement.

Step-by-step explanation:

There are four odd numbers between 1 and 10, they are: 3, 5, 7 and 9. Let's check the factors for each of them.

For 3:

\frac{3}{1} = 3\\\frac{3}{3} = 1

Therefore 3 is not a counter example to the statement, because it behaves as stated.

For 5:

\frac{5}{1} = 5\\\frac{5}{5} = 1

Therefore 5 is not a counter example to the statement, because it behaves as stated.

For 7:

\frac{7}{1} = 7\\\frac{7}{7} = 1

Therefore 7 is not a counter example to the statement, because it behaves as stated.

For 9:

\frac{9}{1} = 9\\\frac{9}{3} = 3\\\frac{9}{9} = 1\\

Therefore 9 is a counter example to the statement, since it can be divided by 1, 3 and 9.

6 0
3 years ago
You need to cover the playground of a child development center with mulch. The playground is 125 feet long and 60 feet wide. You
jenyasd209 [6]
Change 125 and 60 into inches 
1500 and 720
1500*720=1,080,000 (area)
multiply by 6
1,080,000*6=6,480,000
divide by 12 to make it into feet
6,480,000/12=540,000
divide by 3 to make it into yards
you need 180000 cubic feet of mulch
3 0
3 years ago
Marcus is playing a game.His score in the first round is 5 points.His score in the second round is -4 points. What is marcus's s
miskamm [114]

Answer:

Marcus total score = 1 points

Step-by-step explanation:

Given:

Marcus score in the first round = 5 points

Marcus score in the second round = -4 points

Find:

Marcus total score

Computation:

Marcus total score = Marcus score in the first round + Marcus score in the second round

Marcus total score = 5 + (-4)

Marcus total score = 5 - 4

Marcus total score = 1 points

8 0
3 years ago
Marco has a jug with 37 1/2 ounces of juice. He wants to use some small cups to pass out samples of the juice. Each cup can hold
Neko [114]

37 1/2 divided by 2 1/2=15

Marco can fill 15 cups with juice samples.

Check:
2 1/2x15=37 1/2
8 0
3 years ago
Find the value of x if Y is the midpoint of XZ.<br> XY = 2x - 3 and XZ = 14
BaLLatris [955]

The value of x is 1. To solve this problem you have to setup the equation like this: 2(2x + 1) = 8x -2. This equation works because since Y is the midpoint, if you double YZ then you get XZ. From the equation you use distributive property to multiply 2 by everything within the parenthesis now the equation should look like this: 4x+2 = 8x -2. Now you can add 2 to both sides making the equation look like this: 4x + 4 = 8x. Then you subtract 4x from each side turning the equation into something like this: 4=4x then you divide by 4 on each side getting your answer: 1 = x.

7 0
3 years ago
Read 2 more answers
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