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Maslowich
3 years ago
5

Solve the system using elimination. 2x-4y=-22 7x+5y=18 what are the coordinates

Mathematics
1 answer:
user100 [1]3 years ago
6 0

Answer:

The coordinates are (22, 18)

Step-by-step explanation: hope this helps its a bit easy if ur in middle school

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What is not preserved under dilation?
vlabodo [156]
Size is not preserved under dilation.
8 0
3 years ago
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Three fifths of a number, plus 8, is equal to the number.What is the number?
Luden [163]

Answer:

The number is 20.

Step-by-step explanation:

To solve this, first take the words and turn into an equation.

3/5x + 8 = x

Now we can solve for x using the order of operations

3/5x + 8 = x

8 = 2/5x

20 = x

7 0
3 years ago
Please help with all of these 5 points per question
liberstina [14]

Answer:

1. C = $100 = .25(m)

2. C = $150

3. 800 = m

Step-by-step explanation:

1. C = $100 (flat fee rate) + .25m

2. c = $100 + .25(200 miles)

                           ↓

            c = $100 + 50

                           ↓

                       c = 150

3. 300 = 100 + .25(m)

  -100      -100                    (subtract on both sides)

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

200 = .25(m)

-------------------   (divide by .25 to get m by itself)

    .25

Therefore being 800 = m

5 0
3 years ago
Nina can stitch 3 of a dress in 4 hours. If drepresents the number of dresses and h represents the number of hours, which equati
Leviafan [203]

Answer:

C. d= 1/6h

Step-by-step explanation:

2/3 dress in 4 hours

We need to find out how much of a dress can be finished per hour.

2/3 /4 = 2/12

2/12 ---> 1/6

d= 1/6h

Brainliest is much appreciated!

5 0
2 years ago
List price is $600.25, the rate of discount is 20%, what is the net price​
Bumek [7]

First, convert the 20% to a real mathematical number. For percents, this is always done by dividing the 20% by 100%, or 20% / 100% = 0.200.

Second, find out what 20% of $600.25 is. This is the amount of the sale discount. This is always found by mulitplying 0.200 by the item's cost $600.25, like this:

0.200 x $600.25 = $120.05.

So for this sale, you'll save $120.05 on this item.

This means, the cost of the item to you is

$600.25 - $120.05 = $480.20.

Alternatively, you can think about it this way. The item is 20% off. This means you'll pay 80.000% of the total cost (100% - 20% = 80.000%).

Now what's 80.000% of the total cost?

0.800 x $600.25 = $480.20.

Just like the result above, the sale price on the item is $480.20.

Hope this helps you on your assignment! :)

5 0
3 years ago
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