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3 years ago

7

Need help with 18&19 please help me tyvm

1 answer:

maks197457 [2]3 years ago

7 0

The answer to question 18 is C. and the answer to question 19 is B

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All real numbers more than 4 units from 6 (in an absolute value inequality)

maks197457 [2]

The correct answer for this question is "<span>|x-6| > 4."

</span>All real numbers more than 4 units from 6 (in an absolute value inequality).
We need to translate this sentence into a mathematical inequality.

"... units from 6 ..."
This means that the distance from 6 to a certain number.
x - 6

Since, we are talking about distance, place it inside an absolute symbol.

8 0

3 years ago

svetoff [14.1K]

Answer:

Step-by-step explanation:

<u>Compound Interest</u>

It's the type of financial calculations that includes the interest of previous periods into the new interests earned by some initial investment or principal P.

If we want to compute the final value FV of a series of n payments R at a fixed compound interest rate i, then

$FV=F_m\cdot R$

Where

$\displaystyle F_m=\frac{(1+i)^n-1}{i}$

The question provides us the following data

i=10% compounded twice a year

n=3 1/2 years

FV=15,000

We need to convert the number of periods and the interest rate to a semester base:

$\displaystyle i=\frac{10}{100\cdot 2}=0.05$

$n=3.5\cdot 2= 7\ semesters$

Let's calculate Fm

$\displaystyle F_m=\frac{(1+0.05)^7-1}{0.05}=8.142$

Knowing that

$FV=F_m\cdot R$

Solving for R

$\displaystyle R=\frac{FV}{F_m}=\frac{15,000}{8.142}=1,842.30$

Sara should deposit $1,842.30 twice a year to have the down payment for her own restaurant

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3 years ago

A rectangle's length is 6 units greater than its width. Write an equation expressing the rectangle's area, A, as a function of w

Dafna11 [192]

I hope this helps you

length =width +6

Area=width × length

Area=w. (w+6)

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3 years ago

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In a volcano, erupting lava flows continuously through a tube system about 17 kilometers to the sea. Assume a lava flow speed of

Komok [63]

Answer:

Distance = rate x time or d = rt...that means time t = d/r...and we have

t = 21 km / .5 km/hr = 42 hr

Step-by-step explanation:

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3 years ago

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Find the area of the polygon.<br> A. 1,922 ft2 C. 1,932 ft2<br> B. 932 ft2 D. 922 ft2

r-ruslan [8.4K]

Answer:

1932

Step-by-step explanation:

just multiply

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3 years ago

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