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aev [14]
3 years ago
13

Write a simplified expression for the length of AC.

Mathematics
1 answer:
Elena L [17]3 years ago
3 0

Answer:

see below

Step-by-step explanation:

Using the segment addition postulate

AB + BC = AC

x+2 + 7x-3 = AC

Combine like terms

8x -1 = AC

Using the segment addition postulate

PQ + QR = PR

8y+5 + QR = 13y+25

Subtract 8y from each side

5 + QR = 13y-8y+25

5 + QR = 5y+25

Subtract 5 from each side

QR = 5y+25-5

QR = 5y+20

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You buy a new laptop for $300$300. The sales tax is 6%6%. What is the total cost for the laptop including the sales tax?
cricket20 [7]

Answer:

Cost Including tax would be $318

Step-by-step explanation:

Given:

Price of laptop = $300

Sales tax = 6% of price

To Find:

Cost with tax = ?

Solution:

Cost with tax = Price of laptop + Value of tax

We have to find the value of tax

Value of tax = 6% of Price

putting the value

Value of tax = 6 % * $300

                     =\frac{6}{100}*300

                     = $18

Now Cost with tax = Price of laptop + Value of tax

Putting in the value

Cost with tax = 300 + 18

                      = $318

So Cost Including tax would be $318


6 0
3 years ago
Read 2 more answers
What is 4 4/5 + 1 1/3?
Dafna1 [17]

Answer:

\frac{92}{15}

Step-by-step explanation:

change to improper

\frac{24}{5}  +  \frac{4}{3}

this gives us

\frac{92}{15}

final answer

plz mark as brainliest

7 0
3 years ago
Read 2 more answers
On a given planet, the weight of an object varies directly with the mass of the object. Suppose that an object whose mass is 7 k
Airida [17]

Answer:

21 N

Step-by-step explanation:

let mass be m and weight be w

Given w varies directly with m then the equation relating them is

w = km ← k is the constant of variation

To find k use the condition m = 7 , w = 49 , then

49 = 7k ( divide both sides by 7 )

7 = k

w = 7m ← equation of variation

When m = 3 , then

w = 7 × 3 = 21 N

3 0
3 years ago
2 2/3 divided by -8/9
miv72 [106K]

Answer:

-3

Step-by-step explanation:

simplify the expression

5 0
3 years ago
One-eighth π times the cube of the diameter (d).
Contact [7]
Whats the diameter?


1/8(3.14) = 0.3925
7 0
3 years ago
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