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sasho [114]
2 years ago
8

1. Which of the following is the x-coordinate of the solution to the system shown below?

Mathematics
1 answer:
astra-53 [7]2 years ago
3 0

Answer:

x=9

Step-by-step explanation:

Using elimination method.

Add equation 1 to equation 2

x + y = 11

x - y = 7

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

2x + 0 = 18

Divide both sides by 2

2x = 18

---- ----

2 2

x = 9

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If the price of a bag of Ritz peanut butter crackers increases from $0.70 to $0.80, what it the percent increase?
Shtirlitz [24]

Answer:

14%

Step-by-step explanation:

To get the percent increase divide 0.8 by 0.7

0.8/0.7 ≈ 1.14285714286

So the percent increase would by about 14 percent

3 0
3 years ago
the length of a boat is 10.8 m Boris buys a scale model of the boat the scale of the model is 1 to 18 work out the length of the
Wittaler [7]

Answer:

The size of the scale model is 60 centimeters.

Step-by-step explanation:

Given that the length of a boat is 10.8 m, and Boris buys a scale model of the boat whose ratio is 1 to 18, to determine the length of the scale model of the boat in centimeters the following calculation must be performed:

1m = 100cm

10.8 m = (10.8 x 100) = 1080 cm

1080/18 = X

60 = X

Therefore, the size of the scale model is 60 centimeters.

4 0
3 years ago
Evauluate 37/100+3/10
zheka24 [161]

Answer:

67/100

Step-by-step explanation:

Find common denominators, note that what you do to the denominator, you must do to the numerator.

The common denominator is 100:

(3/10)(10/10) = (3 * 10)/(10 * 10) = 30/100

Add:

37/100 + 30/100 = 67/100

67/100 is your answer.

~

4 0
3 years ago
Read 2 more answers
In a probability experiment, Karen flipped a coin 58 times. The coin landed on heads 33 times. What percentage of the coin flips
V125BC [204]

Answer:

25

Step-by-step explanation:

i just subtracted 58 from 33.

5 0
3 years ago
If one yard of material cost 2.00 how much do 5 1/2 yards cost?
Vika [28.1K]

Answer:

$11

Step-by-step explanation:

5*2=10 (for 5 yards) plus  1.00 for the 1/2 yard

3 0
2 years ago
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