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zheka24 [161]
3 years ago
10

Need help in #9 please explain

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
8 0
-2-5. I’m not quite sure but try
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Devon has $45 in his savings account. which equation can be used to determine how much devon needs to save in order to have $315
Georgia [21]
<span>He has 45 dollars. He needs 315 dollars in order for him to have 315 dollars he would to need to save what? Then take 315-45= 270 dollars. Therefore he would need to save 270 dollars.

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6 0
3 years ago
Read 2 more answers
Can someone please help me​
4vir4ik [10]

Answer:

40

Step-by-step explanation:

Two ways we can solve this problem:

1. Graphically

2. Mathematically

Because you already solved it graphically, I will show you how to do so mathematically. Of course, graphically is much much easier and more efficient in this problem.

Let's break the problem down.

First, we are given a graph which contains a slope.

To find slope, we use the technique -> rise/run

Picking 2 obvious points from the graph, we can see

1st point -> (10, 20)

2nd point -> (40, 80)

Now, let's find the slope

\frac{80-20}{40-10}  = \frac{60}{30}  = 2

Now, we have an equation y = 2x, where y = number of pies and x = cups of sugar

We want to find how many cups of sugar we need to bake 80 pies. Simply substitute 80 = number of pies = y

y = 2x -> 80 = 2x

Solving for x, divide both sides by 2

40 = x

We need 40 cups of sugar.

3 0
2 years ago
Ashley has 500 songs in his music player. Every week he adds 10 songs to his collection. How many songs will he have in his musi
Ad libitum [116K]
700 because 10 times 20 is 200 and 500 plus 200 is 700.
5 0
3 years ago
Read 2 more answers
HELP FIRST ONE BRIALY!!!!!
lisabon 2012 [21]
I’m pretty sure the median is 5 and the range is for the first plot the median is 5 and range is 6... and for the second plot the median is 2 and 5 and the range is 4
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3 years ago
Does someone mind helping me with this question? thank you!
Verdich [7]

Answer:

A= B= C= D= E= F=

Step-by-step explanation:

8 0
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