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Bezzdna [24]
3 years ago
5

I have no clue how to do this. For my equations i got

Mathematics
1 answer:
4vir4ik [10]3 years ago
7 0

Answer:

Step-by-step explanation:

Remark

This question is a little ambiguous. You might not be sure how to treat the Chiefs. Include their 10 or not. Turns out you do.

So the total score was 45

But this can be solved without using that information. The key is that the total number of plays made was 13

Givens

Let the touchdowns = x

Let the point after = y

Let the field goals = z

The number of point afters = the touchdowns. x = y

The number of touchdowns is 6 times the field goals: z = x / 6

Equation.

x + y + z = 13            Substitute x for y

Solution

x + x  + z = 13          Combine the left: substitute x/6 for z

2x    + x/6 = 13        Multiply by 6 to get rid of the fraction

6*2x + x = 13 * 6      Combine the left

12x + x = 13*6          Combine the left

13x = 13 * 6              Divide by 13 on both sides.

13x/13 = 6

x = 6

====================

Answer

x = 6

y = 6

z = 1

Check

It's time to see what happened.

6 touchdowns = 6 * 6 = 36

6 single points = 6 * 1 =  6

1 field goal      <u>            =   3   </u>

Total                              45

Apparently we got the right answer. You made one small error in the last equation. z should equal x/6

Very interesting problem. Sports stat guys are going to love this question. Thanks for posting.

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a

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3 years ago
Which methods correctly solve for the variable n in the equation 11−n=−20? Select all that apply. First, add n to both sides. Th
Zina [86]

Answer:

First, subtract 11 from both sides. Then, multiply both sides by −1.

First, add n to both sides. Then, add 20 to both sides.

Step-by-step explanation:

Given equation:

11 - n = -20

Solve for variable n

11 - n = -20

Subtract 11 from both sides

11 - n - 11 = -20 - 11

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Multiply both sides by -1

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n = 31

First, subtract 11 from both sides. Then, multiply both sides by −1.

11 - n = -20

11 -n +n = -20 + n

11 = -20 + n

11 + 20 = -20 + n +20

31 = n

First, add n to both sides. Then, add 20 to both sides.

First, subtract n from both sides. Then, multiply both sides by −20.

First, add n to both sides. Then, subtract 11 from both sides.

11 - n = -20

11 - n +n = -20 + n

11 = -20 + n

11 - 11 = -20 + n -11

Not possible

First, subtract 11 from both sides. Then, multiply both sides by −1.

First, add n to both sides. Then, subtract 20 from both sides.

11 - n = -20

11 - n + n = -20 + n

11 = -20 + n

11 - 20 = -20 + n - 20

9 = n - 40

Not possible

5 0
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Answer:

Step-by-step explanation:

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