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FrozenT [24]
3 years ago
14

Which of these is a set of inputs and outputs for the function f(x) = 2x + 4

Mathematics
1 answer:
uranmaximum [27]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Plug in the x values to get the y values

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A suit originally costing $240 is on sale for 25% off the original price. Sales tax is 7.5%. What is the final cost of the suit?
slava [35]

Answer:

$193.50

Step-by-step explanation:

start by multiplying 240 by .25 (25%) to find out how much is 25% of 240. this equals 60.

then, subtract $60 from $240. equals 180.

next, to add the sales tax, multiply 180 by 0.075 (7.5%) this is $13.50.

lastly, add the tax, which is $13.50, to the suit's sale price, which is $180.

180+13.5= $193.50

7 0
3 years ago
Sally is making a painting for which she is mixing red paint and blue paint. The table above shows the different mixtures being
aleksandr82 [10.1K]
1 1/2 - 2 1/2 is 3/2:5/2     or a 3:5 ratio
2 2/5 - 4       is 12/5:20/5 or a 3:5 ratio
3 3/4 - 6 1/4 is 15/4:25/4 or a 3:5 ratio
4       - 6 2/3 is 12/3:20/3 or a 3:5 ratio
1.2- 2       if divided by .4 is a 3:5 ratio
1.8-3        if divided by .6 is a 3:5 ratio
the unit rate is 3:5
Since all units are 3:5 it is proportional
8 0
3 years ago
Read 2 more answers
What is the greatest common factor of 24,40,and 72
riadik2000 [5.3K]

The GCF of 24, 40, and 72 is 8.

The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24  

The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40  

The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

8 0
3 years ago
Rewrite! Write an new and equivalent equation that is easier to solve
Marysya12 [62]

\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}

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  • To do - <u>simplify</u><u> </u><u>the </u><u>equation</u><u> </u><u>so </u><u>as </u><u>to </u><u>obtain </u><u>an </u><u>easier </u><u>one</u>

<u>Since </u><u>the </u><u>equation</u><u> </u><u>provided </u><u>isn't</u><u> </u><u>i</u><u>n</u><u> </u><u>it's</u><u> </u><u>general</u><u> </u><u>form </u><u>,</u><u> </u><u>let's</u><u> </u><u>first </u><u>convert </u><u>it </u><u>~</u>

<u>General</u><u> </u><u>form </u><u>of </u><u>a </u><u>Linear</u><u> equation</u><u> </u><u>-</u>

\bold{ax  + b = 0}

<u>T</u><u>he </u><u>equation</u><u> </u><u>after </u><u>getting</u><u> </u><u>converted</u><u> </u><u>will </u><u>be </u><u>as </u><u>follows</u><u> </u><u>~</u>

- 7 + ( \frac{4x + 2}{2} )  = 8 \\  \\ \implies \:  \frac{ - 14 + 4x + 2}{2}  = 8 \\  \\  \implies \:  - 14 + 4x + 2 = 16 \\  \\ \implies \: 4x = 16 + 14 - 2 \\  \\ \implies \: 4x = 28 \\  \\\bold{ General \: form \:  \dashrightarrow  \: 4x - 28 = 0}

hope helpful ~

6 0
2 years ago
Find each product or quotient. Use significant digits. 1,370 m 31.7 s
Dvinal [7]
I think you are asking for the quotient of the numbers because base from the choices the units are meters per second and the given has units of meters and seconds. So, the quotient of the numbers is 43.218 meters per second which is option B.
8 0
4 years ago
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