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Elina [12.6K]
2 years ago
11

How do you write an algebraic expression for 42 decreased by twice some number

Mathematics
1 answer:
Shalnov [3]2 years ago
8 0
42 decreased by (-) twice (2 x ?) some number (n)

42 - 2n
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Sarah buys a video game for $44.00 plus 4% sales tax. Her brother, Jack, buys a video game for $36.00 plus 6% tax. Show your wor
Ipatiy [6.2K]

Answer:

Sarah spent 45.76

Jack spent 38.16

Jack spent more on tax

Step-by-step explanation:

Sarahs game costs:

tax = 44 *.04 = 1.76

Total cost = game + tax

                  = 44 + 1.76

                  =45.76


Jacks game costs:

tax = 36 *.06 = 2.16

Total cost = game + tax

                  = 36 + 2.16

                  =38.16

Jack spent more on tax

4 0
3 years ago
Write the expression in complete n^2(n+8)-4(n+8)
MakcuM [25]

Answer:

(n^2-8)(n+8) is the answer

6 0
3 years ago
Please help i need verified please help
soldier1979 [14.2K]
The first one is true
this is the equation: y=ax
you can put one of the points on the line as x and y. for example (2,8)
8= a \times 2 \\ 8 = 2a \\ a =  \frac{8}{2}  =  4
8 0
3 years ago
Read 2 more answers
This week, Jolene withdrew $225 from her savings account. She made a deposit of $125 then bought $75.35 worth of groceries using
Ulleksa [173]

Answer:

675.7 dollars

Step-by-step explanation:

1) 475.35 + 75.35 + 125 = 675.7

6 0
2 years ago
What is a fraction that is less than 1, with a denominator of 6 that is greater than 3/4.
Fynjy0 [20]
5/6, divide 3/4 to get 0.74 then divide 5/6 to get 0.84 for proof.
7 0
3 years ago
Read 2 more answers
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