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Sonja [21]
3 years ago
12

What are two ratios that are equivalent to 15:20

Mathematics
2 answers:
Nikitich [7]3 years ago
7 0
One ratio is 30:40 since 15 times 2 is 30 and 20 times 2 is 40.
Lady_Fox [76]3 years ago
6 0

Answer:

I have one it’s 3:4

Step-by-step explanation:

You simplify by dividing both by 5

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I need help fast please...
BARSIC [14]

Answer:

87: y = 5

88: y = 0

89: y = -2

90: y = -1/2x + 9

91: y = 2x - 16

92: y = x - 11


Step-by-step explanation:

To find the slope(m): (y1 - y2)/(x1 - x2)

To find the y-intercept:

y = mx + b

Replace m with the slope and x and y with one of the sets of coordinates. Then simplify to get the y-intercept. Use the equation y = mx + b and replace m with the slope and b with the y-intercept to get the equation.


(Sorry if this is a little confusing.)

5 0
3 years ago
1. What is the value of x? Show your work to justify your answer.
Reil [10]

Answer:

x=72 and the exterior angle is 154

Step-by-step explanation:

We will call the unknown angle in the triangle y.  Angle y and the angle (2x +10) form a straight line so they make 180 degrees.

y + 2x+10 =180

Solve for y by subtracting 2x+10 from each side.

y + 2x+10 - (2x+10) =180 - (2x+10)

y = 180-2x-10

y = 170-2x


The three angles of a triangle add to 180 degrees

x+ y+ 82 = 180

x+ (170-2x)+82 = 180

Combine like terms

-x +252=180

Subtract 252 from each side

-x+252-252 = 180-252

-x = -72

Multiply each side by -1

-1*-x = -72*-1

x=72

The exterior angle is 2x+10.  Substitute x=72 into the equation.

2(72)+10

144+10

154


8 0
3 years ago
Zack delivers mail for the post office. Every day he walks a 7-mile route. How many miles does Zack walk in one month if he work
GalinKa [24]
If Zack walks a 7-mile route every day, and he goes on for 22 days, the answer is 154, because you are multiplying 7 by 22 (7 x  22 = 154).
7 0
3 years ago
Layla spent 25 minutes on
yKpoI14uk [10]

Answer:

D

Step-by-step explanation:

25+30= time Layla spent. 3x time layla spent = elijah's time

4 0
3 years ago
Read 2 more answers
Please help I’ll give brainliest!!
natta225 [31]

Answer:

hi

Step-by-step explanation:

8 0
3 years ago
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