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3 years ago

5

Keiko, Tony, and Frank sent a total of 121 text messages during the weekend. Tony sent 3 times as many messages as Frank. Keiko

sent 6 more messages than Frank. How many messages did they send?

1 answer:

kicyunya [14]3 years ago

8 0

Answer:

Frank-23, Tony-69, Keiko- 29

Step-by-step explanation:

n- Frank's messages

Tony's messages- 3n

Keiko's messages- n+6

3n+n+n+6=121

5n+6=121

5n=121-6

5n=115

n=115:5

n=23

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Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Find the distance between the given points: (2, -2) and (-4, 7)

sasho [114]

Answer:

$3\sqrt{13}$

Step-by-step explanation:

Hi there!

We want to find the distance between the points (2, -2) and (-4, 7).

To do that, we can use the distance formula.

The distance formula is given as $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ , where $(x_1, y_1)$ and $(x_2, y_2)$ are points

We have everything needed to find the distance, but let's label the values of the points to avoid any confusion

$x_1=2\\y_1=-2\\x_2=-4\\y_2=7$

Now substitute those values into the formula and solve

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Simplify

$\sqrt{(-4-2)^2+(7+2)^2}$

$\sqrt{(-6)^2+(9)^2}$

Square the numbers under the radical

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Hope this helps!

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3 years ago

Keli is buying pajamas for her five closest friends. Using the graph shown below, how much money will it cost her if she decides

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Answer:

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3 years ago

Need help with number 7

tatyana61 [14]

Since she runs 6 $\frac{1}{2}$ miles each day and there 7 days per week, you will have to multiply 6 $\frac{1}{2}$ times 7.

But since you have to use distributive properties, multiply like this (6 $\frac{1}{2}$ )(7)

6 $\frac{1}{2}$ is equal to $\frac{13}{2}$

Now turn 7 into a fraction, so its $\frac{7}{1}$

Now multipy (6 $\frac{1}{2}$ )( $\frac{7}{1}$ )

Multiply the numerators, so its 7 * 13 which gives you 91 and multiply the denominators so its 1 * 2 which gives you 2.

Put that back into a fraction as $\frac{91}{2}$

Divde it to change it to a mixed number and the answer is 45 $\frac{1}{2}$

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3 years ago