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3 years ago

You invested $100 at 8.2% which is compounded annually for 7 years. How much will your $100 be worth in 7 years?

Mathematics

1 answer:

____ [38]3 years ago

7 0

Answer:

57.4%

Step-by-step explanation:

8.2 × 7 = 57.4

hope this helps!!

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Beatrice calculated the slope between two pairs of points.

kumpel [21]

Answer:

The answer in the procedure

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

step 1

Find the slope between (-3, -2) and (1, 0)

$m=\frac{0+2}{1+3}$

$m=\frac{2}{4}=\frac{1}{2}$

Find the equation of the line

$y-y1=m(x-x1)$

with m and the point (1,0)

substitute

$y-0=\frac{1}{2}(x-1)$

$y=\frac{1}{2}x-\frac{1}{2}$

step 2

Find the slope between (-2, -1) and (4, 2)

$m=\frac{2+1}{4+2}$

$m=\frac{3}{6}=\frac{1}{2}$

Find the equation of the line

$y-y1=m(x-x1)$

with m and the point (4,2)

substitute

$y-2=\frac{1}{2}(x-4)$

$y=\frac{1}{2}x-2+2$

$y=\frac{1}{2}x$

Compare the equation of the two lines

The two lines are parallel, because their slope is the same, but are different lines

therefore

Beatrice's conclusion is incorrect

All of these points are not on the same line, because are different parallel lines

The slope between (-2,-1) and (1,0) is equal to $\frac{1}{2}$

8 0

4 years ago

Read 2 more answers

Starting at 6:00 a.m., Lin spent a day hiking through a canyon. This graph shows her elevation (in meters) at some different tim

fredd [130]

Answer:

First, we know that the 0 in the horizontal axis corresponds to the noon.

Then:

a) Lin's elevation at noon in meters.

We need to see the elevation when x = 0.

This is the point that is just on top of the y-axis, we can see that when x = 0, we have y = 6.

Then at noon, her altitude was 6 meters.

b) At 8:00 am, her elevation was 2m

Remember that the x-component represents time, and x = 0 represents the noon.

8:00 am is 4 hours before noon, then 8:00am is represented with x = -4

and at this time her elevation is 2m, then y = 2.

This means that the point that represents this is (-4, 2)

c) At 4:00 pm Lin was at sea level (her elevation was 0m)

Same reasoning than before: x = 0 is the noon, then 4:00 pm is four hours after this, then 4:00 pm is represented with x = 4.

And here her altitude is 0m, then y = 0.

This point is written as (4, 0)

d) Here we can see that at 6:00 am her elevation was negative, and at 4:00pm her elevation is 0.

And we know that:

0 > negative numbers.

Then her altitude increased in this interval of time.

6 0

3 years ago

Read 2 more answers

8. Perform the indicated operation and simplify.

Oxana [17]

Answer:

g<x> _ 2x* 9 h(x) _ 3x+4 PRACTICE PROBLEM FOR EXAMPLE 10 Combine the following functions. f<x>=7x+3 grx)I4x*5 h(x)=9x+2 g<x> a. fix)_q(x) ... polynomial expressions |-\ Perform the indicated operation and simplify. a. ... (2x + 5)(4x * 8) 8x2 * 16x + 20x * 40 8x2 + 4x * 40 (1.

Step-by-step explanation:

4 0

4 years ago

Describe which of the two points lies on the graph of the line 2x+2y=6 A,-4,5 B,6-3

Margaret [11]

B. 6, -3

2(6) + 2(-3) = 6

12 - 6 = 6

True

hope this helps

5 0

3 years ago

What is 12 ten thousand 8 thousands 14 hundreds 7 ones

CaHeK987 [17]

Answer:

Eight thousand fourteen hundred twelve and seven

5 0

3 years ago