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Hunter-Best [27]
3 years ago
10

PLEASE HELP ME

Mathematics
1 answer:
slavikrds [6]3 years ago
6 0

Answer:

A. 9y-8x=23

B. 9y-8x=-23

C. 8y-9x=-23

D. 7y-8x=25

Step-by-step explanation:

Formula: y-mx=b

y=mx+b ------> y-mx=b

Put opposite signs

Ex: y=7x+2 ------> 7x-y=2

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What would the answer be to both of these questions?
Ganezh [65]

Answer: Both of them are C.

Step-by-step explanation:

Use formula➡️y2-y1/x2-x1

(The 2 and 1 will be under the y and x as theres two sets of x and y)

Use this formula when there are two points nd u have to find the slope.

For the 2nd one you just do normal calculations

7 0
4 years ago
System by Substitution <br><br> -3x-3y= -12<br> Y=0
alex41 [277]
Substitute the 0 in for y:
-3x - 3(0) = -12
-3x - 0 = -12
-3x = -12

Divide by -3:
-12/-3= 4

Answer:
x = 4

7 0
3 years ago
Someone who isn't a bot, please answer this.
lesantik [10]

Answer:

answer is here

Step-by-step explanation:

https://www.mathpapa.com/algebra-calculator.html

4 0
3 years ago
The price of a DVD is $24.00 plus 8.25% sales tax. What is the sales tax on the DVD in dollars and cents?
Ray Of Light [21]

Answer:

2.04 so 2 dollars 4 cents

Step-by-step explanation:

i added 8.25

7 0
3 years ago
The circumference C of a circle with radius r can be calculated using the formula
Ymorist [56]

Answer:

D

Step-by-step explanation:

Given

C = 2πr ( isolate r by dividing both sides by 2π )

\frac{C}{2\pi } = r → D

3 0
3 years ago
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