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andrezito [222]
3 years ago
15

(1) Solve this system using the substitution method: y = x – 1; 4x – 3y = 6

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
3 0

Answer:

(1)x=3, y=2

(2)x=19, y=31

Step-by-step explanation:

(1)

4x-3(x-1)=6

4x-3x+3=6

x+3=6

x=3

(2)

.76x+3.68y=128.52

x+y=50

.76x+3.68(50-x)=128.52

.76x+184-3.68x=128.52

.76x-3.68=-55.48

-2.92x=-55.48

x=19

19+y=50

y=31

This took so much work....  I hope I helped you well.

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3 0
4 years ago
Some animals on farms eat hay to get energy. A cow can eat 24 pounds of hay each day. Write and evaluate an expression to find h
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Answer:

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Step-by-step explanation:

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7 0
3 years ago
Apply the zero product property to solve the equation below:<br> x (x + 2) = 0
True [87]

Answer:

0(-2+2)=0

Step-by-step explanation:

x=0

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3 0
2 years ago
100% is 75 oranges what percent is 250 oranges?
Whitepunk [10]

Answer:

x=333.33%

Step-by-step explanation:

hello

you can resolve this by using the rule of 3,let´s see

75 oranges =100%

250 oranges = x%?

75 oranges* x%=250 oranges *100%

x=\frac{250*100}{75}

x=333.33%

Have a great day.

4 0
3 years ago
If 6:2=8:x, then<br> a. 6x=16<br> b. 6x=10<br> c.2x=48<br> d. 2x=14
otez555 [7]

Answer:

a)6x = 16

Step-by-step explanation:

<h2><u>Finding the value</u></h2>

the ratio can be solved by <u>cross multiplication :</u>

6       :          2

8       :          x

6*x = 8*2

6x = 16

answer is : <u>a) 6x = 16</u>

4 0
3 years ago
Read 2 more answers
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