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Bad White [126]
3 years ago
15

A student finds the slope of the line between (14, 1) and (18, 17). She writes . What mistake did she make? She mixed up the x-

and y-values. She used y-values where she should have used x-values. She did not keep the order of the points the same in the numerator and the denominator. She should have added the values, not subtracted them.
Mathematics
2 answers:
yanalaym [24]3 years ago
7 0

Answer:

She did not keep the order of the points the same in the numerator and the denominator.

Step-by-step explanation:

IRINA_888 [86]3 years ago
4 0

Answer:

you just said the answer

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$12 for 6 bagels; $9 for 24 bagels.
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What is the question that you are asking?

Step-by-step explanation:

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Ms. Tyson is doing an engineering challenge with her students. Each team will get a kit with bags of marshmallows and boxes of t
natka813 [3]

Answer:

Step-by-step explanation:

15

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3 years ago
Given: 1; -5; -13 ; -23 ; ...<br><br> Derive a formula for the nth term in the pattern.
mylen [45]

Answer:

  f(n) = -n^2 -3n +5

Step-by-step explanation:

Suppose the formula is ...

  f(n) = an^2 +bn +c

Then we have ...

  f(1) = 1 = a(1^2) +b(1) +c

  f(2) = -5 = a(2^2) +b(2) +c

  f(3) = -13 = a(3^2) +b(3) +c

__

Here's a way to solve these equations.

Subtract the first equation from the second:

  -6 = 3a +b . . . . . 4th equation

Subtract the second equation from the third:

  -8 = 5a +b . . . . . 5th equation

Subtract the fourth equation from the fifth:

  -2 = 2a

  a = -1

Then substituting into the 4th equation to find b, we have ...

  -6 = 3(-1) +b

  -3 = b

and ...

  1 = -1 +(-3) +c . . . . . substituting "a" and "b" into the first equation

  5 = c

The formula is ...

  f(n) = -n^2 -3n +5

3 0
3 years ago
"The sum of seven-eighths of a<br> number and 20 is 34 at minimum."
Gennadij [26K]

Answer:

Anything greater than or equal to 17.

Step-by-step explanation:

7/8 of 17 is 14.875

6 0
3 years ago
Two whole numbers A and B satisfy the following conditions. Find A and B.
baherus [9]
Answer: A = 16 and B = 28

Explanation:
16 + 28 = 44
16:28 = 4:7
:)
8 0
2 years ago
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