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77julia77 [94]
3 years ago
10

Solve system of equations by substitution

Mathematics
1 answer:
loris [4]3 years ago
5 0
(1,3) 

You plug the equation that equals y into the y value on the other equation that equals 4. Then, you plug the x value into the x on the equation that equals y. Sorry if that was confusing
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The elevation at ground level is 0 feet. An elevator starts 90 feet below ground level. After traveling for 15 seconds, the elev
kramer

Answer:

Step-by-step explanation:

i believe the answer is 7.33333333333 feet per second

4 0
3 years ago
Question
meriva

Question:

In a neighbourhood pet show, each of the animals entered is equally likely to win. if there are 7 dogs, 6 cats, 3 birds, and 2 gerbils entered, what is the probability that a bird will win the top prize?

Answer:

Probability that a bird will win the top prize is 0.167

Step-by-step explanation:

Given:

The number of  dogs  = 7

The number of  cats = 6

The number of  birds  = 3

The number of gerbils = 2

To Find:

Probability that a bird will win the top prize = ?

Solution:

Let us first find the total number of  pets .

The Total number of pets = 7 + 6 + 3  + 2 =  18

Now the probability of  a bird will win the top prize is

=> \frac{\text {Number of birds}}{\text{ Total number of pets}}

=>\frac{3}{18}

=> \frac{1}{6}

=>0.167

4 0
3 years ago
The _______
Svetradugi [14.3K]

Answer:

  • The Range is the set of all outputs for a function
  • The Domain is the set of all inputs for a function

For example

  • f(x)=x+3

Here Domain and range both are set of all real numbers

6 0
3 years ago
Read 2 more answers
Solve for x.
Doss [256]

Answer:

x= 16

Step-by-step explanation:

First, you want to distribute each side! (you're gonna wanna learn this because you will be having to do it for the next 3 years no joke it sucks)

7(x+2) can be distributed as 7x+14 after multiplying 7 times x and 7 times 2, and 6(x+5) can be distributed as 6x+30.

Now, you have to get the x on one side to solve for x (so like x=__).

To do this, look at the equation as of now. 7x+14=6x+30.

We can minus 14 and bring that to the right, and minus 6x and bring that to the left to separate the x's and the regular numbers.

Now we have  16=x (or x=16).

5 0
2 years ago
HELP <br> Write an equation that represents the line.<br> Use exact numbers.
horrorfan [7]
Y=7/5+6.8

I believe it can a little more than 6.8 but either way this is correct
3 0
2 years ago
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