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Over [174]
3 years ago
11

25x + 10y = 600 5x - 3y = 70

Mathematics
1 answer:
Nutka1998 [239]3 years ago
6 0
I don’t know what tou want us to figure out, do you want the simplified answer or what x and y are?
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Jack spent half of his weekly allowance on candy to earn more money his parents let him mow the lawn for $7 what is his weekly a
joja [24]
$18. You get this because you subtract 7 from 16 since that’s money he got. You get 9. Since Jack spent half his allowance money, you double the money he had left after spending it, giving you $18.
4 0
3 years ago
A boat traveled 280 miles downstream and back. The trip downstream took 7 hours. The trip back took 14 hours. Find the speed of
katrin2010 [14]
Downstream 280mi/7 hours
(Speed =change in position/change in time)
40mi/hr
Back
280/14
20mi/hr
5 0
3 years ago
An airplane flies 2700 miles in 3 hours and 45 minutes. What is its average speed in miles per hour?
fenix001 [56]

Answer:

720 MPH

Step-by-step explanation:

2700 miles / 3.75 hours = 720 MPH

6 0
3 years ago
Read 2 more answers
Why is a right equilateral triangle impossible?
Tom [10]
Because in an equilateral triangle all angles should measure 60 degrees otherwise all sides would not be equal.
5 0
3 years ago
Math answer plz need help with this plz answer
Neporo4naja [7]

Answer:

176.625 sq.ft, 4.8 sq.ft

Step-by-step explanation:

Area of circle=πr^2 or πd^2/4
11. Given,
d=15 ft
Now,
Area=πd^2/4
3.14*15^2/4
176.625 ft^2
Therefore, the area approximation is 176.6 sq.ft
12.
Given,
d=3.5 ft
Now,
Area= πd^2/8
3.14*3.5^2/8
4.8 sq.ft
I got the answer by dividing the area of circle by 2 as semicircle is half of circle.

6 0
3 years ago
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