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TEA [102]
3 years ago
7

Solve the following equations. Note that the solutions should be given as fraction.

Mathematics
2 answers:
zzz [600]3 years ago
5 0

Answer:

80/3

Step-by-step explanation:

7 = (3x + 4)/12

84 = 3x + 4

84 - 4 =3x

80/3 = x

x = 80/3

arsen [322]3 years ago
3 0

Answer:

80/3 or 26 2/3

Step-by-step explanation:

:) hope this is correct

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solniwko [45]
3 terms 4x,8y and -1
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3 years ago
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HELP PLEASEEEEEEE it’d be rlly appreciated
Alex_Xolod [135]

Answer: they have

et n = number of nickels

Let d = number of dimes

given:

(1) +n+%2B+d+=+45+

(2) +5n+%2B+10d+=+360+

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

Multiply both sides of (1) by 5

and subtract (1) from (2)

(2) +5n+%2B+10d+=+360+

(1) +-5n+-+5d+=+-225+

+5d+=+135+

+d+=+27+

and, since

(1) +n+%2B+d+=+45+

(1) +n+%2B+27+=+45+

(1) +n+=+45+-+27+

(1) +n+=+18+

She had 18 nickels and 27 dimes

check:

(2) +5%2A18+%2B+10%2A27+=+360+

(2) +90+%2B+270+=+360+

(2) +360+=+360+

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Can you help this is hard
kolezko [41]

Answer:

y=1/2x+1= A

y=-2x-4= C

x-2= E

y=-3= F

y=1/2x+3.5=B

I hope this helps

Step-by-step explanation:

5 0
2 years ago
A car salesperson earns a $500 fee per car she sells. If she sells 4 cars in one day, how much money does she earn in fees?
Bumek [7]
She will earn $2,000 fees for the 4 cars that she sold.
5 0
3 years ago
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Help with math pleasr
Nat2105 [25]
To solve this you need to take the answer from the previous iteration.

Iteration 1: The answer is given
a1 = 300

Iteration 2: Solve using the equation. a(n-1) is the answer from the previous iteration. n = the number of the current iteration. So, a(n-1) = 300 and n = 2

a2 = 300/2 = 150

Iteration 3: a(n-1) = 150 and n = 3
a3 = 150/3 = 50

Iteration 4: a(n-1) = 50 and n = 4
a4 = 50/4 = 12.5

Answer: 12.5
3 0
3 years ago
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