Jenny is 9 years younger than Sammie. Five years ago Sammie was 4 times older than Jennie. How old is each now? Pls Help Need Answer By 7:00.

Step-by-step explanation:

Your answer

Assume that

Sammie is x Jennie is 9 years younger than him. So, Jennie ( y) = x-9

According to second condition eq is

(X-5) = 4(y-5)

Place the value of y in eq 2

You will find x= 17

Put x in eq 1

Y = 8

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8

Step-by-step explanation:

(sin 42)/31. = sinx)/37

sinx = 37 (sin42)/31

= 37× 0.66/31 = 0.787

x= 51.9

other angle opposite to y = 180-51.9-42

= 180- 93.9 =86.1

so

sin42)/31 = sin 86.1)/y

0.021 = 0.997 /y

y= 0.997/0.021 =47.47

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x