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Aliun [14]
2 years ago
13

A/45 = 5/7 Solve for a

Mathematics
2 answers:
Charra [1.4K]2 years ago
5 0

Answer:

a=225/7

a=32 1/7

a=32.14285714...

Shtirlitz [24]2 years ago
5 0

Answer:

Step-by-step explanation:

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Sergeeva-Olga [200]

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6 0
2 years ago
twice a number plus three times another number equals 4. three times the first number plus four times the other number is 7. wha
Drupady [299]

Answer:

x=5, y=-2. (5, -2).

Step-by-step explanation:

2x+3y=4

3x+4y=7

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

3(2x+3y)=3(4)

-2(3x+4y)=-2(7)

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

6x+9y=12

-6x-8y=-14

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

y=-2

2x+3(-2)=4

2x-6=4

2x=4+6

2x=10

x=10/2

x=5

5 0
3 years ago
Answer!! Please. Will give brain.
damaskus [11]

Answer:

58

Step-by-step explanation:

Just trust me on this. It has got to be 58.

7 0
10 months ago
The value of a car reduces by 30% every 6 months. A car costs $15,000 when new. What is the value of the car after 2 years?
Allisa [31]
6 months goes into 2 years 4 times
30 x 4 = 120
120% of 15,000 is
100% is 1,500
10% is 150
150 x 2 = 300 (20%)
1,500+300=1,800
15,000+1,800=16,800
hope this helped
3 0
3 years ago
How do you simplify 2(m+5)+8(6m+1)
galina1969 [7]
You must use distributive property to get 2m+10+48m+8 and then add all like terms. You get 50m+18 as your final answer.
5 0
3 years ago
Read 2 more answers
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