3 years ago

What is the slope of the line that passes through the points (-9, 10) and (21, 15)?

Mathematics

2 answers:

victus00 [196]3 years ago

7 0

Slope is 1/6 that’s the answer

uysha [10]3 years ago

3 0

Answer:

Slope = 1/6

Step-by-step explanation:

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The sum of the measures of angle Y and angle Z is 180 degrees. Angle Y measures (3x + 20) degrees and Angle Z measures x degrees

Minchanka [31]

A)
The question tells us that
y + z = 180
And
y=3x+20
z=x

So we put them in the first formula:

y + z = 180
(3x + 20) + x = 180

Add and get x to one side:
4x + 20 = 180
4x + 20 - 20 = 180-20
4x = 160
Divide both sides by 4
x = 40

B)
Put x back in to equation to get size of each angle:

Y =3x +20
Y=3(40)+20
Y=120+20
Y=140

Z=x
Z=40

Verify: y+z=180
140+40=180
180=180

8 0

2 years ago

A certain number, formed of two digits is seven times the sum of its digits it is also 27 less than the number if formed by reve

notsponge [240]

Answer:

Step-by-step explanation:

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3 years ago

John sells hamburgers ($3) and cheeseburgers ($3.50). One afternoon he sells a total of 24 burger for $79. How many of these wer

ankoles [38]

John sold 10 hamburgers and 14 cheeseburgers.

Step-by-step explanation: