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Amiraneli [1.4K]
2 years ago
14

Solve the equation below

Mathematics
1 answer:
Arlecino [84]2 years ago
4 0

Answer:

(-3,8)

Step-by-step explanation:

7x+5y=19

y=8

Because we know y=8 we cane use 8 instead of y in the first equation.

   1) 7x+5(8)=19

   2) 7x+40=19

   3) 7x=-21

   4) x=-3

Checking the work)

   1) 7(-3)+5(8)=19

   2) -21+40=19

   3) 19=19

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Marta_Voda [28]
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6 0
4 years ago
Read 2 more answers
Round to the nearst hundredh 58.635
Aleonysh [2.5K]
58.635 rounded to the nearest hundreth is:

58.6 because 3 is less than 5

Hope I Helped You!!!
5 0
3 years ago
А
Ganezh [65]

Answer:

168 meters squared

Step-by-step explanation:

So we know that Jake walked from b to c and d meaning he didn't go from a to b, but we also know that scarlet walked a to b so to find the length we can subtract scarlet's walk by jake's walk or 38-31 which is 7.

So we know the length of one side is 7 so this means we have side a to b and c to d, but we still need to know b to c. So what we can do is get the length of a b c and d and isolate it so that we only have b to c. To do this we get the length of 7 and double it which is 14 and take it away from the 38m

38-14=24

so now we know that the side is 24 and we can solve for the area

24*7=168

so the answer is 168 meters squared

6 0
3 years ago
The measure of an angle is 23 less than 5 times it’s supplement. Find the angle measurement. Show/explain work
sertanlavr [38]
Let the measure of an angle be "a"
let the supplement be "s"

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8 0
3 years ago
Mike has a total of 1371 coins in his piggy bank if the total value of his coins is $230.25 and make it only has dimes and quart
True [87]

Answer:129

Step-by-step explanation:(621 x 0.25) + (750 x 0.10) = 230.25

750 - 621 = 129 more dimes than quarters

3 0
3 years ago
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