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notsponge [240]
2 years ago
10

Step by step please!

Mathematics
1 answer:
Vitek1552 [10]2 years ago
7 0

Answer:

21

I hope this helped I would appreciate brainliest if possible

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Find 5x − 3y − z if x = −2, y = 2, and z = −3 <br> Select one: a. −19 b. 19 c. 13 d. −13
NeTakaya

Answer:

-13

Step-by-step explanation:

5x − 3y − z

substitute x = −2, y = 2, and z = −3

5(-2) -3(2) - (-3)

multiply

-10 -6 +3

-16 +3

-13

7 0
4 years ago
What is the sum of 5.3 x 10^5 and 3.8 x 10^4in scientific notation?
Natali5045456 [20]

Answer:

=5.68×10^5

Step-by-step explanation:

7 0
3 years ago
What is an equation of the line that passes through the points <br> (8,2) and <br> (7,1)?
gogolik [260]

Answer:

Step-by-step explanation:

first, we find the slope

slope = (y2 - y1) / (x2 - x1)

(8,2)....x1 = 8 and y1 = 2

(7,1)....x2 = 7 and y2 = 1

now we sub

slope = (1 - 2) / (7 - 8) = -1/-1 = 1

y = mx + b

slope(m) = 1

use either of ur points...I will use (8,2)...x = 8 and y = 2

now we sub and find b, the y intercept

2 = 1(8) + b

2 = 8 + b

2 - 8 = b

-6 = b

so ur equation is : y = 1x - 6....or just y = x - 6 <===

8 0
3 years ago
Explain the difference between buying and leasing and automobile.
sashaice [31]
When you buy a car you have all the money upfront ready either in cash, check, etc. Leasing is when you have a little bit or most of the money. Because you dont have all of it you pay for the car monthly and pay a little bit more than the actual value of the car as interest for "borrowing" their money since you couldn't afford the entire value of the car upfront. The more money you put down at the time of leasing, the less the interest usually is.
3 0
3 years ago
Factor the algebraic expression.<br> 20a + 12
Studentka2010 [4]

Answer:

32a

Step-by-step explanation:

20a + 12 = 32a

Hope this helps..

4 0
3 years ago
Read 2 more answers
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