Can some body help me with these and tell me how you got the answer to it and explain

Mathematics

1 answer:

Gre4nikov [31]2 years ago

5 0

#3.
in this case, all you need to do is to look at the intersecting point. each units represent 2, the coordinates of the intersection are (4,-1), so D is the choice.

#4. B is the choice. two lines either intersect once (one solution), never (parallel, no solution), or overwrap (merge, infinite solutions)

You might be interested in

Jack recieved $600 for his birthday. If he saves it in a bank account with 8% interest compounded yearly, how much money will he

Gwar [14]

so 21 - 13, the money will be invested for 8 years.

$\bf ~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\to &\$600\\ r=rate\to 8\%\to \frac{8}{100}\to &0.08\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{yearly, thus once} \end{array}\to &1\\ t=years\to &8 \end{cases} \\\\\\ A=600\left(1+\frac{0.08}{1}\right)^{1\cdot 8}\implies A=600(1.08)^8\implies A\approx 1110.558126$

8 0

2 years ago

first correct answer will be marked as branders please help fast

Svetllana [295]

Answer:

even if the first answer is wrong? Just kidding, the first one is -9, second is 0, third is 9, and last is 18

Step-by-step explanation:

-9

4 0

2 years ago

Read 2 more answers

How could you convert a rate of 18,000 mph to miles per second

Dmitrij [34]

Hi there,

(18000 miles / 1 hour)(1 hour / 60 minutes)(1 minute / 60 seconds) adds up to <span>18000 miles / 3600 seconds, which then adds up to </span><span>5 miles / 1 second...
</span>
you should get a total of 5 miles per second

I hope I helped :)

6 0

2 years ago

Please help me thanks

BabaBlast [244]

Answer:

16.7

Step-by-step explanation:

We can use the Pythagorean theorem, a^2 + b^2 = c^2.

a = 11

c = 20

11^2 + b^2 = 20^2

121 + b^2 = 400

b^2 = 279

b = sqrt(279) = 16.7

5 0

2 years ago

Which of the following is best description of the number 1.381432...?

gizmo_the_mogwai [7]

Answer:

Step-by-step explanation:

4 0

2 years ago