What is the slope of the line (-11,-16),(-3,10)

Answers

Answer 1

Answer: take the y-coordinate of the second set and minus the y-coordinate of the first set. Then do the same to the X's. Then divide Y's by the X's.

The answer is: 13/4

Answer 2

Answer: Slope: (y2-y1)/(x2-x1)

x1=-11
x2=-3

y1=-16
y2=10

Let's subtract the "y"s first.

Remember, a double negative (2 negatives in a row... subtracting a negative) equals a positive.

10--16= 10+16=26

Now, let's subtract the "x"s.

-3--11

-3+11=8

Now we have to divide.

26/8=13/4

I believe the slope is 13/4 :).

Hope I helped!

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Tomas correctly spelled 18 out of 20 words oh his last spelling quiz. What decimal represents the portion of the words that Tomas spelled correctly?

Answers

The decimals that represent the portions of the words that Tomas spelled correctly is 0.9 or 0.90.

18/20 and put it on ?/10 which is 9/10. so 0.90

If m∠ABC = 72°, what is m∠DAB?
A) 72°
B) 108°
C) 144°
D) 216°

Answers

The answer would be B
What you would do is 180-72= 108 degrees

what is the equation, in slope- intercept form, of the line that contains the points (-3,4) and (5,7)

Answers

Answer:

y = $(3)/(8)$ x + $(41)/(8)$

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

To calculate the slope use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (- 3, 4) and (x₂, y₂ ) = (5, 7)

m = $(7-4)/(5+3)$ = $(3)/(8)$ , hence

y = $(3)/(8)$ x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

using (5, 7 ), then

7 = $(15)/(8)$ + c ⇒ c = 7 - $(15)/(8)$ = $(41)/(8)$

y = $(3)/(8)$ x + $(41)/(8)$ ← equation in slope-intercept form

the graph shows the distance Jamie Walsh over time. does she walked at a constant or variable speed. how fast Is Jamie walking?

Answers

B She is walking at a constant speed of 4 miles per hour

4/1.. Rise over run=4 miles per hour

What are the like term in this problem 3a+a+5

Answers

The like terms are the variables which are being multiplied by different coefficients.

In this case, the like terms are:

3a, a

----------

Now, 3a + a = 4a

----------

Therefore:

3a + a + 5

= 4a + 5

In the expression 4 +3x+5y what is the coefficent of x

Answers

Answer:

your coefficient is 3 because its infront of the x

Answer: 3

Hope this helps:)

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