Plz help ill give you brainlist

Mathematics

2 answers:

Free_Kalibri [48]3 years ago

8 0

<span>In 4 years, you will have $324.73</span>

Daniel [21]3 years ago

6 0

Hey there!

To start, this is a compound interest problem, meaning you will have to use this formula:
A=P(1+ $\frac{r}{n}$ )^nt

P represents the principal amount, r represents the rate as a decimal, n represents the amount of times compounded, and t represents the number of years compounded.

Now, plug in your known values:
P=300 (your initial amount)
r=0.02 (your rate of 2%)
n=1 (compounded annually, meaning once every year)
t=4 (the number of years you need to find)

A=300(1+0.02/1)^(1*4)

Now, simplify:
A=300(1+0.02)^4
=300(1.02)^4
=300(1.08243216)
=324.729648

Finally, round to the nearest cent and you get $324.73 as your final answer.

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Which of these story problem describes the sum 19 + (-12)? Check all that apply. Show your work to justify your answer.

MatroZZZ [7]

-19 + (-12) = 7

Remove Parentheses
( -a ) = -a

= 19 - 12
Subtract The Numbers
19-12 = 7

8 0

3 years ago

Which transformations can be used to map a triangle with vertices A(2, 2), B(4, 1), C(4, 5) to A’(–2, –2), B’(–1, –4), C’(–5, –4

jek_recluse [69]

Notice that every pair of point (x, y) in the original picture, has become (-y, -x) in the transformed figure.

Let ABC be first transformed onto A"B"C" by a 90° clockwise rotation.

Notice that B(4, 1) is mapped onto B''(1, -4). So the rule mapping ABC to A"B"C" is (x, y)→(y, -x)

so we are very close to (-y, -x).

The transformation that maps (y, -x) to (-y, -x) is a reflection with respect to the y-axis. Notice that the 2. coordinate is same, but the first coordinates are opposite.

ANSWER:

"<span>a 90 clockwise rotation about the origin and a reflection over the y-axis</span>"