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3 years ago

7

I need help please?!!

1 answer:

allochka39001 [22]3 years ago

5 0

Answer:

Step-by-step explanation:

x>5

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Divide x^3+2 by x+1<br> long division<br> ppleeease! :)

anzhelika [568]

Long division:   (x³ + 2) ÷ (x + 1)

   <u>    </u><u>x² – x + 1   </u>
x³ + 0x² + 0x + 2 | x + 1
<u>– x³ – x²</u> ⋮   ⋮
– x² + 0x   ⋮
<u>+ x² + x</u><span>   ⋮</span>
+ x + 2
<span> </span> <u>– x – 1</u>
+ 1

    Quotient:   Q(x) = x² – x – 1;

Remainder:   R(x) = + 1.

I hope this helps. =)

3 0

3 years ago

I have k quarters, five less quarters than nickels and one more than twice as many dimes as quarters. Find the value of the coin

Alenkinab [10]

Answer:

(35k + 20) cents

Step-by-step explanation:

First of all, let us have the value of each unit:

1 quarter = 25 cents

1 nickel = 5 cents

1 dime = 10 cents

Given that number of quarter = k

Quarters are 5 lesser than Nickels, so number of nickels = k+5

One more than twice as many dimes as quarters:

k = 2 $\times$ Number of Dimes + 1

So, number of dimes = $\frac{1}{2}(k-1)$

Value of quarters = $25 \times k$ cents

Value of nickels = $5 \times (k+5) = (5k+25)\ cents$

Value of dimes = $\frac{1}{2}(k-1) \times 10 = (5k-5)\ cents$

So, total value of coins =

$25k + 5k +25 +5k-5\\\Rightarrow (35k+20)\ cents$

5 0

4 years ago

Read 2 more answers

Passing through (5, -4) and parallel to the line whose equation is y=-2x+3;<br> point-slope form

Marina CMI [18]

The answer is y=-2x+6

8 0

3 years ago

The maybe pay life insurance co. is trying to sell you an investment policy that will pay you and your heirs $39,000 per year fo

Lorico [155]

This cash flow is a perpetuity. To find the present value of perpetuity, we use the equation of
Pv=C÷r
Pv=39,000÷0.058
Pv=672,413.79

5 0

3 years ago

Read 2 more answers

3. Jane wants to plant grass Seed in her yard. If it costs $0.55 per Square foot to plant grass Seed, how much will Jane Spend?

DIA [1.3K]

Answer:

Step-by-step explanation:

area off reg 1

10 x 25 = 250

area of reg 2

45 x 13 = 585

total surface area

585 + 250 = 835ft^2

835ft^2 x $0.55 = $459.25

7 0

2 years ago

Read 2 more answers