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4 years ago

GIVING BRAINLIEST!!!!!!!!!!I NEED HELP

2 answers:

8 0

Answer: (-20,-4)

First, you substitute y into the first equation to get 0.01x - 0.3(0.1x - 2) = 1

You then distribute the 0.3 to what is inside the parentheses to get 0.01x-0.03x+0.6=1
(Note: the 0.6 is positive because two negatives multiplied equal a positive)

Now you combine like terms to get -0.02x+0.6=1

Subtract 0.6 from both sides of the equal sign to get -0.02x=0.4

Divide each side by -0.02 to get x=-20

Now plug in -20 to y=0.1x-2 to get y=-4

This gives you the answer (-20,-4)

uranmaximum [27]4 years ago

6 0

Answer:

1st one

Step-by-step explanation:

You might be interested in

Find the sum of the finite geometric sequence

lions [1.4K]

Answer:

Step-by-step explanation:

Use the geometric sum formula for in infinite sum. 20 terms of this basic formula is close enough The 20th term is 8.6 * 10^-10 which means this goes out to a number with 9 zeros after the decimal and before the 8.

Put another way, the tenth number of this series is the only one affected.

When you use a spreadsheet, it seems to know that the answer is 3/2 as the solution to the sum.

Solution.

Sum = a / (1 - r)

a = 1

r = 1/3

Sum = 1 / (1 - 1/3)

Sum = 1 // 2/3

sum = 3/2

Now you can worry about the 30.

30 * sum(1/3)^n = 30* 3/2 = 45

If there is something you want more information on, leave a note.

6 0

4 years ago

Wayne's deli sells whole sandwiches and half sandwiches. The half sandwiches are in the shape of a triangle because they are cut

Katarina [22]

Answer:

No, those are not the correct measurements.

Step-by-step explanation:

Assuming that 9 will equal the hypotenuse we will use the Pythagorean theorem.

$a^2+b^2=c^2$

a = 5

b = 3

$5^2 + 3^2= 25 + 9 = 34$

Well $9^2= 81$

So...that doesn't quite work out.

Let's change our equation to double check.

$c^2/a^2= b^2$

$9^2/5^2 = b^2\\\\81/25 = 3.25$

Once again, that doesn't work out.

So the final answer is, no. Those are not the correct measurements.

4 0

3 years ago

A man invested $10,000 in the bank. if the account pays 5% pa interest compounded monthly, how long would take for the man to ac

sesenic [268]

Answer:

<u>3.63 years</u>

Step-by-step explanation:

The formula would be of compound growth, which is:

$F=P(1+\frac{r}{n})^{nt}$

Where

F is future amount (with interest)

P is initial deposit

r is rate of interest in a year

n is number of compounding in 1 year

t is the time in years

Given in this problem:

To accumulate 2000 interest means the future amount will be:

10000+2000 = 12,000

Present amount is 10,000

r is the annual interest, which is 5% or 0.05

compounded monthly means, 12 times a year, so n = 12

t is time in years, which we need to find

Substituting, we have:

$F=P(1+\frac{r}{n})^{nt}\\12000=10000(1+\frac{0.05}{12})^{12t}\\1.2=(1.0042)^{12t}\\Ln(1.2)=Ln((1.0042)^{12t})\\Ln(1.2)=12t*Ln(1.0042)\\12t=\frac{Ln(1.2)}{Ln(1.0042)}\\12t=43.50099\\t=3.63$

The time it will take is around <u>3.63 years</u>

8 0

3 years ago

???????????????????????

Firlakuza [10]

Answer:

m∠B≈53°

Step-by-step explanation:

Since this is a 3, 4, 5 triangle, the angle measures are:

∠A=36.87°

∠B=53.13°

∠C=90°

m∠B≈53°

3 0

3 years ago

Read 2 more answers

LenKa [72]

Answer:

Both books use stories as guidance to life.

Step-by-step explanation:

The Hebrew Bible teaches that there is one God.

The Epic of Gilgamesh did not originate from the Israelites. It was ancient Mesopotamian.

The Epic of Gilgamesh was not written on papyrus

Therefore the only answer that it can me is the final one.

4 0

3 years ago