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andrew-mc [135]
4 years ago
14

{5=-3x - 3y

Mathematics
1 answer:
kumpel [21]4 years ago
6 0

Answer:

No Solution

Step-by-step explanation:

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Help pleaseee!! If you answer can u explain it to me, thank you
oee [108]

Answer:

$7.50

Step-by-step explanation:

4 bottles of water cost $10, meaning that each bottle costs $2.50 (10/4 = 2.5). If 3 bottles are bought and each bottle costs $2.50, the total cost is $7.50 (3*2.5 = 7.5).

4 0
3 years ago
Read 2 more answers
3x2+(2y+z3) if x=4, y=5, and z=3
gtnhenbr [62]
The answer is 25 trust
4 0
3 years ago
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Paul purchased a used vehicle that depreciates under a straight-line method.
netineya [11]

Answer:

Option B. $900

Step-by-step explanation:

Let

y ----> the value of the car

x ----> the time in years

we know that

The linear function in slope intercept form is equal to

y=mx+b

where

m is the slope or the depreciation rate

b is the y-intercept or initial value of the car

we have

The y-intercept or initial value is equal to

b=\$5,000

y=mx+5,000

we have the ordered pair (5,500)

substitute the value of x and the value of y of the ordered pair in the linear equation and solve for m

500=m(5)+5,000

5m=500-5,000\\5m=-4,500\\m=-\$900\ per\ year

Is negative because is a decreasing function

The linear equation is equal to

y=-900x+5,000

therefore

It would depreciate $900 each year.

4 0
4 years ago
Which number produces an irrational number?
blondinia [14]
Your answer is c. 0.5454545... because an irrational number is one that repeats itself.
3 0
4 years ago
Mari and Jen each work 20 hours a week at different jobs.Mari earns twice as much as Jen.Together they earn $480.How much does e
kow [346]
x-Jen\ earn\\2x-earn\ Mari\\\\x+2x=480\\3x=480\\x=160\\\\2x=320\\\\Jen\ earn\ 160\ and\ Mari\ 320.
3 0
4 years ago
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