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lapo4ka [179]
3 years ago
12

PLEASE HELP .!!! ILL GIVE BRAINLIEST.. *EXRTA POINTS* .. DONT SKIP :(( ! ILL GIVE 40 POINTS .

Mathematics
1 answer:
aksik [14]3 years ago
7 0
To find slope between two given points:
(y2-y1)/(x2-x1)
Find the difference between the first two points
12-9.5/2-1 = 2.5/1 = 2.5
14.5-12/3-2 = 2.5/1 = 2.5
17-14.5/4-3 = 2.5/1 = 2.5
The rate of change between each point is 2.5
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If (a,-5) is a solution to the equations 3a=-2b-7, what is a?
salantis [7]

Answer: 1


Step-by-step explanation: You are starting with (a, b)

(a, -5) means that when b is -5, a is a

So substitute-5 into the equation for b and solve for a  

3a = -2b - 7

3a = -2(-5) - 7

3a = 10 - 7

3a = 3

a = 1


6 0
3 years ago
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Which equation does the graph below represent?
Svetllana [295]
It represents y = -3x
3 0
2 years ago
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Ryan made 70% of the basketball shots he attempted if he made 63 baskets how many shots did he attempt​
Nadya [2.5K]

Answer:

Ryan attempted 90 shots

Step-by-step explanation:

63 is 70% of 90

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4 0
3 years ago
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Please help me with both and if you can’t just 1 pleaseeeee I don’t understand it PLEASE
frosja888 [35]

Problem 1

<h3>Answer: 37.33 </h3>

------------------

Work Shown:

1 liter = 1000 mL

0.56 liters = 560 mL (multiply both sides by 0.56)

x = number of tablespoons needed to fill water bottle

1 tablespoon = 15 mL

x tablespoons = 15x mL (multiply both sides by x)

Set 15x and 560 equal to each other. Solve for x

15x = 560

x = 560/15

x = 37.333

x = 37.33

=================================================

Problem 2

<h3>Answer:  545</h3>

------------------

Work Shown:

From the previous problem, a 0.56 L water bottle has 560 mL of water.

Subtract off 15 mL to get

560 - 15 = 545

A filled water bottle has 545 more mL of water compared to a tablespoon of water.

5 0
3 years ago
Letters a, b, c, and d are angles measures. Which equation is enough information to prove that lines m and n are parallel lines
algol13

Answer:

b + d = 180°, a = d and a = c

Step-by-step explanation:

With the figure we can see that the only way for them to be parallel is that the angles are similar with their counterpart, for example that a = d. a = c will show that all angles are equal in order to be m and n parallel. Finally b + d = 180° shows that the only way for this to be true is that m and n are parallel.

6 0
4 years ago
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