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blsea [12.9K]
3 years ago
5

Solve 8x-7y=18 for y?

Mathematics
1 answer:
adelina 88 [10]3 years ago
6 0

Answer:

y = 8/7x -18/7

Step-by-step explanation:

8x-7y=18

Subtract 8x from each side

8x-8x-7y=-8x+18

-7y = -8x+18

Divide each side by -7

-7y/-7 = ( -8x+18)/-7

y = 8/7x -18/7

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Anyone wanna help me out
Sholpan [36]

Answer:

58.91m^2

Step-by-step explanation:

(smaller triangle below)

A=\frac{ab}{2}\\ =\frac{8.6*5.5}{2}\\ =23.65m^2\\\\A=\frac{ab}{2}\\ =\frac{8.6*8.2}{2} \\=35.26m^2

(bigger triangle above)

Since you have both triangle, and all lengths you dont need to worry about calculating the square

Add both together

23.65+35.26\\=58.91m^2

5 0
2 years ago
Read 2 more answers
two consecutive odd number are such that three times the first is 5 more than twice the second. What are those two odd numbers?
Veseljchak [2.6K]
<h2>Answer:</h2>

The first consecutive odd number is: 9

and the second consecutive odd number is: 11

<h2>Step-by-step explanation:</h2>

Let the two consecutive odd numbers be: a and a+2

( Since, we know that the difference between two consecutive odd or two consecutive even numbers is always 2 )

Now, it is given that:

Three times the first is 5 more than twice the second.

i.e.

3a=5+2(a+2)\\\\i.e.\\\\3a=5+2a+4\\\\3a=5+4+2a\\\\3a=2a+9\\\\3a-2a=9\\\\a=9

Hence, we get:

The first consecutive odd number is: 9

and the  second consecutive odd number is: 9+2=11

7 0
3 years ago
Can someone help me please?
Likurg_2 [28]
Dudhdhhxgxgxhxdjxhhxxjdh
the answer is 8
8 0
3 years ago
Please help me with this
saul85 [17]

Answer: 616

Step-by-step explanation:

4 0
2 years ago
PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!!
podryga [215]

Answer:    0.88

============================================

Work Shown:

sine is the ratio of the opposite over hypotenuse

sin(angle) = opposite/hypotenuse

sin(I) = GH/IG

sin(I) = 15/17

sin(I) = 0.88235 approximately

sin(I) = 0.88

8 0
3 years ago
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