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sladkih [1.3K]
3 years ago
14

5x-3y=3 x+6y=60 elimination

Mathematics
1 answer:
Verdich [7]3 years ago
8 0
Https://us-static.z-dn.net/files/d08/6e702cee914a18f2bc61c19bbb16f216.jpeg

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Round 19 and 17 to the nearest tenth
agasfer [191]

Answer:

They both would be 20

3 0
3 years ago
Kyle gave 2/7 of his money to his wife and spent 3/5 of the remainder. If he had $300 left, how much money did he have at first?
weqwewe [10]

<u>Answer: </u>

Kyle gave 2/7th  of his money to his wife and spent 3/5 of the remainder. If he had $300 left, the money had by Kyle at first is $1050

<u>Solution: </u>

Step 1:

Consider “x” as the money which Kyle had initially.  

From question, Kyle gave 2/7th of his money to his wife. So the remaining money left with Kyle is given as,

= 1 - \frac{2}{7}

= \frac{7 - 2}{7} = \frac{5}{7} ----- eqn 1

Now the remaining money left with Kyle is 5/7th.Given that Kyle spent 3/5 of the remaining money.  

Now the remaining money left with Kyle is given as  

= 1 - \frac{3}{5} = \frac{5 - 3}{5} = \frac{2}{5}

Now kyle is left with $300, which is 2/5th of the initial money x .

We get equation as  

\frac{2}{5} x=300

2x = 1500

x = 750

Now Kyle is left with 750$ which is 5/7th of the initial amount x.( by using eqn 1)

We get equation as

\frac{5}{7} x = 750

5x = 5250

x = 1050

So the amount had by Kyle at first is $1050

7 0
3 years ago
The distance between two cities on a map is 4 inches. The actual distance between the two cities is 24 miles. What is the scale
madam [21]

The scale used to represent the distance between two cities is 1 inch= 6 miles, where the actual distance between the cities is 24 miles.

If the scale in a different map is 1 inch= 1 mile then the separation in the graph should be 24 inches.

Step-by-step explanation:

  • Given that the distance between two cities on a map is 4 inches and the original distance between these two cities are 24 miles. Hence, to find the scale is to divide them, so you get 6
  • then, 1 inch = 6 miles, to find the inches if the scale 1 inch = 1 mile, multiply it with the original distance between these two cities. Hence,  it is 24 inches
4 0
3 years ago
5a + 18 &lt; −27 pre algibra
Grace [21]

Answer:

X < -9

Step-by-step explanation:

5a +18 < -27

5a < -27 -18

5a < - 45

5a/5 < - 45/5

a < - 9

Answred by Gauthmath

5 0
3 years ago
Read 2 more answers
Write the sum of the numbers as the productof their gcf and another sum 32+20 and 18+27
kaheart [24]
32+20=52
18+27=45
52+45=97
4 0
3 years ago
Read 2 more answers
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