All categories

3 years ago

How do i solve systems by substitution

Mathematics

1 answer:

julsineya [31]3 years ago

8 0

Answer: x = 2, y = 9

Step-by-step explanation:

y = 9x - 9 Substitute x for 2

y = 9(2) - 9 Multiply 9 with 2

y = 18 - 9 Subtract 18 - 9

Final Answer: y = 9 and x = 2

Mark me as brainliest!

You might be interested in

Bill has fruit trees on his farm, and 42 of them are apple trees. If apple trees represent 35% of all his fruit trees, how many

azamat

Answer:

Step-by-step explanation:

t(35/100)=42

35t=4200

t=120

So there is a total of 120 fruit trees.

8 0

3 years ago

Read 2 more answers

How can I Graph<br> -7x= -105

worty [1.4K]

Answer:

see explanation

Step-by-step explanation:

- 7x = - 105 ( divide both sides by - 7 )

x = 15

A line with equation x = c is a vertical line parallel to the y- axis passing through all points with an x- coordinate of c

Thus x = 15 is a vertical line passing through all points with an x- coordinate of 15

Plot (15, 0 ) , (15, 3 ) and (15, - 3) and join a straight line through them for graph

5 0

2 years ago

The function g(x)=f(x+3)+2. Which of the following is true about the graph of g(x)?

Alona [7]

Answer:

Your Answer is B.

Step-by-step explanation:

If the number inside the () is positive, it shifts left. If it is negative, It shifts right. The other number is up if positive, down if negative.

8 0

3 years ago

A machine has four components, A, B, C, and D, set up in such a manner that all four parts must work for the machine to work pro

olchik [2.2K]

Answer:

0.756

Step-by-step explanation:

It is given that a machine has four components, A, B, C, and D.

$P(A)=P(B)=0.93, P(C)=0.95,P(D)=0.92$

If these components set up in such a manner that all four parts must work for the machine to work properly.

We need to find the probability that the machine works properly. It means we have to find the value of $P(A\cap B\cap C\cap D)$ .

If two events X and Y are independent, then

$P(X\cap Y)=P(X)\times P(Y)$

Assume the probability of one part working does not depend on the functionality of any of the other parts.

$P(A\cap B\cap C\cap D)=P(A)\times P(B)\times P(C)\times P(D)$

Substitute the given values.

$P(A\cap B\cap C\cap D)=0.93\times 0.93\times 0.95\times 0.92$

$P(A\cap B\cap C\cap D)=0.7559226$

$P(A\cap B\cap C\cap D)\approx 0.756$

Therefore, the probability that the machine works properly is 0.756.

7 0

3 years ago

Absolote value x=6. any help

loris [4]

I can help but what is the q it doesn’t make since

7 0

4 years ago