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tangare [24]
3 years ago
7

In what form is the equation y=7=3/4(x-5) written?

Mathematics
1 answer:
jeka943 years ago
3 0
The answer to the question is point slope form
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What is the answer a, b, c, or d
podryga [215]

Answer: Choice B

(-2, 5)

==================================================

Explanation:

The original system is

\begin{cases}-4x+3y = 23\\ x-y = -7\end{cases}

Multiply both sides of the second equation by 3. Doing so leads to this updated system of equations

\begin{cases}-4x+3y = 23\\ 3x-3y = -21\end{cases}

Now add straight down

The x terms add to -4x+3x = -1x = -x

The y terms add to 3y+(-3y) = 0y = 0

The terms on the right hand sides add to 23+(-21) = 2

We end up with the equation  -x = 2 which solves to x = -2

Now use this to find y. You can pick any equation with x,y in it

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

-4x+3y = 23

-4(-2)+3y = 23

8+3y = 23

3y = 23-8

3y = 15

y = 15/3

y = 5

Or

x-y = -7

-2-y = -7

-y = -7+2

y = -5

y = 5

Either way, we get the same y value.

So that's why the solution is (x,y) = (-2, 5)

6 0
3 years ago
How do i covert a fraction into a decimal.
Olenka [21]

Answer:

By dividing the top number by the bottom.

Step-by-step explanation:

ummmmm

3 0
3 years ago
There is an attachment for my question relating to geometry...thank you for the help
Tomtit [17]
Hello I hope this helps. I'm pretty sure this is the answer.
 
Part A: C
Part B: A


6 0
3 years ago
Read 2 more answers
What is the rate and unit rate of 16 dollars for 9 books?
HACTEHA [7]
The rate is 16 dollars for 9 books and the unit rate is $1.777777778 per book.
7 0
3 years ago
HELP ASAP PLZ PLZ PLZ I GIVE BRAINLIEST
Yuki888 [10]

Answer:

12

Step-by-step explanation:

We can see that the base TA is 4, and the second base RS is 2. We can see that the height is 4. The area of a trapezoid is:

A=\frac{h(b_1+b_2)}{2}

Using this, we can substitute, and get:

A=\frac{4\cdot(2+4)}{2} = \frac{24}{2} = 12

Hope it helps!!

5 0
3 years ago
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