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xeze [42]
3 years ago
15

What is the rate of change for 7x + 8y = 56

Mathematics
1 answer:
natali 33 [55]3 years ago
6 0

Answer:

-7/8

Step-by-step explanation:

7x+8y=56

8y=-7x+56

8y/8=(-7x+56)/8

y=(-7/8)x+7

Slope is the rate of change.

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Consider the following system of equations 3x+y=6 3x-y=6
marta [7]
3x+y=6
3x-y=6
Cancel out the Y and add the terms
6x=12
X=2
Plug 2 into one of the original equations to find Y
3(6)+y=6
18+y=6
Y=-12
Write as ordered pair: (6,-12)
4 0
4 years ago
The distribution of exam scores (ranging from 0 - 100%) where the mean score is 75%, the standard deviation is 12%, and the medi
AnnyKZ [126]

Answer:

Right skewed

Step-by-step explanation:

A skewed right distribution by definition is "one in which the tail is on the right side".Or on simple words when we have the following property:

Mode

Or equivalently:

Mean> Median>Mode

A skewed left distribution by definition is "one in which the tail is on the left side". Or on simple words when we have the following property:

Mode>Median>Mean

Or equivalently:

Mean< Median

And for this case we can see that Mean =75> Median =78

So on this case the best description for this distribution is right skewed.

6 0
3 years ago
Plz help me!!!!!!!!!!!!!!!!!!!!!!
Zepler [3.9K]

Answer:

i would assume its A

Step-by-step explanation:

5 0
3 years ago
Complete the steps to factor
d1i1m1o1n [39]

Answer:

The answer is 1st point.

Step-by-step explanation:

By following the steps that is shown in the picture :

56x² - 8x - 7x + 1

1.Group pairs of terms with common factor,

(56x² - 8x) + (-7x + 1)

2.Factor the GCF from each group,

8x(7x - 1) - 1(7x - 1)

3.Use distributive property,

(8x - 1)(7x - 1)

5 0
3 years ago
Read 2 more answers
Christina says the graph for the inequality r &lt; -5 will be the same as the graph for the inequality -5 &gt; r. Do you agree o
QveST [7]

Answer:

Agree

Step-by-step explanation:

Just copy and paste (without quotations): "I agree because r < -5 is just a flipped inequality of -5 > r. In other words, 'r is less than -5' is the same as '-5 is greater than r'."

3 0
3 years ago
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