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jarptica [38.1K]
3 years ago
6

K(x) = 6x + 100 k(-5) = 1

Mathematics
1 answer:
morpeh [17]3 years ago
7 0

to find k(-5) we need to substitute -5 for every x in k (x) and calculate the result:

k(x)=6x+100 becomes:

k(-5)=(6*-5)+100

k(-5)=-30+100

k(-5)=70

plz mark me as brainliest :)

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Help 8th grade math need answers quick
stepladder [879]

Answer:

A few examples:

0. 0

1. Undefined

2. -3/5

3. Undefined

...

7. 493

8. 5/2

....

Learn how to find the slope below for the other problems.

Step-by-step explanation:

Slope is the rate of change for a linear function. It is found by subtracting the y values of two point on the line and dividing that difference by the difference of the x values of the points.

It can also be found using the formula y=mx+b known as the slope intercept form.

Here are a few examples:

0. This is a horizontal line which always has slope 0.

1. This is a vertical line which always has slope undefined.

2. Find two points that cross through a grid line intersection The line appears to cross them at (5,3) and (0,6). Count the unit squares between the two by counting up 3 and over to the left 5. Because it is left it is negative. The slope is -3/5

3. To find the slope, use the slope formula:

\frac{y_2-y_1}{x_2-x_1}=\frac{6--4}{-2--2}=\frac{6+4}{-2+2}=\frac{10}{0}=undefined

Since we can't divide by 0, it is undefined.

7. y=493x-257 follows the formula y=mx+b where m is the slope. m=493. The slope is 493.

8. Covert the equation into y=mx+b by rearranging the terms using y=mx+b.

5x-2y=48

-2y=48-5x

y=5/2 x -24

So the slope is 5/2.

8 0
4 years ago
Beth has 120 pens in her pencil case , she give 20% to Federica. How many does she give her ?
True [87]

Answer:

24

Step-by-step explanation:

you can just search it 20% of 120

4 0
2 years ago
Read 2 more answers
Which of the following options have the same value as 70% of 80?
snow_tiger [21]
56 is the answer so it's A, C and E.
7 0
3 years ago
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PLEASE ANSWER QUICKLY!! I NEED THIS ANSWER ASAP
Nana76 [90]

Answer:

you can use a website called wolfram alpha to help with any math equation

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP ASAP!!!!
Karolina [17]

Answer:

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Step-by-step explanation:

8 0
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