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3 years ago

I need help with this last question

Mathematics

1 answer:

lesya692 [45]3 years ago

6 0

the statement (l4x-2l = -6) is false (no solution) for any value of x because the absolute value function is always positive or 0

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HELP PLEASE! URGENT!

finlep [7]

Answer:

$\boxed{B. \: 5 {x}^{6} + 5 {x}^{5} + 8 {x}^{2} - x + 2}$

Step-by-step explanation:

$= > (2 {x}^{6} + 8 {x}^{2} - x + 1) + (3 {x}^{6} + 5 {x}^{5} + 1) \\ \\ = > 2 {x}^{6} + 8 {x}^{2} - x + 1 + 3 {x}^{6} + 5 {x}^{5} + 1 \\ \\ = > 2 {x}^{6} + 3 {x}^{6} + 5 {x}^{5} + 8 {x}^{2} - x + 1 + 1 \\ \\ = > 5 {x}^{6} + 5 {x}^{5} + 8 {x}^{2} - x + 2$

8 0

4 years ago

Kenny had a total of 140 minutes to read, do homework, and play video games. he spent x minutes reading. he spent 2(x + 5) minut

Mekhanik [1.2K]

Answer:

35 min

Step-by-step explanation:

given that the total time spent is 140min

and that the time spent reading is x minutes

and also that the time spent doing home work is 2(x+5)

the time spent playing video game is 25

the expression for the total time is given as

total = reading +homework +video game

140=x+2(x+5)+25

solving for x we have

140=x+2x+10+25

140=3x+35

140-35=3x

105=3x

x=105/3

x=35

kenny spent 35 min reading

3 0

3 years ago

Which of the following investments could be represented by the function A = 250(1 + 0.08/12)12 × 4?

Alekssandra [29.7K]

hello,

the first term is 250 so this is the initial invested amount

$(1+\dfrac{0.08}{12})^{12}=(1+\dfrac{8\%}{12})^{12}$

is to compute 8% annual interest compounded monthly (there are 12 months in a year)

and then multiply by 4 means that it is computed for 4 years so

finally the answer is

$250 is invested at 8% annual interest compounded monthly for 4 years

hope this helps

7 0

3 years ago

If the dimensions of the following cylinder are tripled, what factor will the volume change by?

mixer [17]

Answer:

81 :)

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

A function follows the rule y = -75 - 5x. When the function's output is 25, the equation is 25 = -75 - 5x.

brilliants [131]

Answer:

x = 20

Step-by-step explanation:

hmu for more information

7 0

4 years ago