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3 years ago

What is the slope of (1, -3/4) and (4, -3)

Mathematics

1 answer:

Alex777 [14]3 years ago

3 0

Answer:

1-5

Step-by-step explanation:

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Irina-Kira [14]

X-y,

Cause X could be 1 and y could be 10.

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3 years ago

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I need help with 3 and 4

Anestetic [448]

For number 4 subtract 32.56 - 29.40 and the answer should be 3.16.

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3 years ago

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If m is the midpoint of segment JK, JM equals 7x minus 32, and MK equals 89 minus 4x, what is MK?

KonstantinChe [14]

Step-by-step explanation:

Imagine this segment, given that m is the midpoint of segment JK...

J________M________K

JM = 7x-32 MK = 89 - 4x (given)

If m is the midpoint, then JM and MK are the same lengths (equal to each other). We can use that to first find what <em>x</em> is.

$7x -32 = 89 - 4x\\$

Steps to find x (we have to get x by itself):

$7x - 32 + 4x = 89 - 4x +4x$

$11x -32 = 89$

$11x -32 +32 = 89 +32$

$11x = 121$

$\frac{11x}{11} = \frac{121}{11}$

$x=11$ (we haven't found the answer yet! we only found x)

Now that we found x, we can find segment MK. Now we know that:

$MK = 89 - 4x$

$x= 11$

Let's plug x into the equation:

$MK = 89 - 4(11)\\MK = 89- (44)\\MK = 45$

Answer: $MK= 45$

4 0

3 years ago

An investment of $8200 loses value at a rate of 2% per year; 7 years.<br> (growth and decrease.)

labwork [276]

Answer:

$7118.629372623104

Step-by-step explanation:

$8200 × 0.98 ^7 {{{ 7 years

takes away 2%

8 0

4 years ago

Thirteen less than eight times a number is three more than four times the number.

Lisa [10]

Answer:

Step-by-step explanation:

Let the number = x

8x - 13 = 4x + 3 Add 13

8x = 4x + 3 + 13 Combine

8x = 4x + 16 Subtract 4x

8x - 4x = 16 Combine

4x = 16 Divide by 4

x = 16/4

x = 4

6 0

3 years ago