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2 years ago

5

A laptop has a listed price of 827.95 before tax. If the sales tax rate is 8.75%, find the total cost of the laptop with sales t

ax included.

1 answer:

mel-nik [20]2 years ago

8 0

Answer:

$900.40

Step-by-step explanation:

Multiply 827.95 by the sales tax rate of 0.0875 which gets you 72.445625. add 827.95 to this and round, giving you 900.40.

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What are the solutions of the system 7x + 3y=-3 and y= -2*?

mafiozo [28]

Answer:

opt 4

Step-by-step explanation:

when x=0, 0+3y= -3, so y=-1 (0,-1) is solution

when x=3 , 21+3y=-3, 3y= -3-21= -24

y= -8 (3,-8) is also solution

8 0

3 years ago

Ella ran 6 times around her school building. Then she ran 4 miles home.

Snowcat [4.5K]

Answer:

B.6x+4=7

Step-by-step explanation:

x represents how many miles is around her school building which she did 6 times, 4 miles is for the amount she ran home and 7 miles is the combination of the 6 times the miles around her school, 6x and the miles she ran home 4

making the equation 6x+4=7

6 0

3 years ago

Read 2 more answers

HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE!

kiruha [24]

Answer:

b

i did this before xD

6 0

3 years ago

a certain triangle has a perimeter of 3067 mi. the shortest side measures 71 mi less than the middle side and the longest side m

UkoKoshka [18]

Answer:

The measure of the shortest side is 851 miles

Step-by-step explanation:

Let

x ----> the measure of the shortest side

y ---> the measure of the middle side

z ---> the measure of the longest side

we know that

The perimeter of triangle is equal to

$P=x+y+z$

$P=3,067\ mi$

so

$3,067=x+y+z$ ----> equation A

the shortest side measures 71 mi less than the middle side

so

$x=y-71$ ----> equation B

the longest side measures 372 mi more the the middle side

so

$z=y+372$ ----> equation C

substitute equation B and equation C in equation A

$3,067=(y-71)+y+(y+372)$

solve for y

$3,067=3y+301\\3y=2,766\\y=922$

Find the value of x

$x=y-71\\x=922-71\\x=851$

therefore

The measure of the shortest side is 851 miles

6 0

3 years ago

Pls help. No files pls. Will give brainliest.

nordsb [41]

To find f(-20), first figure out which piece x = -20 fits with.

Since -20 < -12, x = -20 first in the domain used by the third piece.

For f(-20), treat this function as if it was just f(x) = 3x-7.

f(-20) = 3(-20) -7

= -60 - 7

= -67

6 0

3 years ago