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3 years ago

1)what is compound interest $660 at 3% compounded annually for 8 years

Mathematics

1 answer:

zimovet [89]3 years ago

5 0

Hey you look cute

Here’s the answer:23,383.23

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Jamie will plot ( 9, 5 ) on a coordinate plane. She knows the last step is to put a point where to lines intersect. Which two st

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3 years ago

10 meters wide with a surface area of 80 square meters.

Vlada [557]

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3 years ago

Mai drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 8 hours. When Mai drove hom

Vesna [10]

Answer:

Mai lives 384 miles away from the mountains

Step-by-step explanation:

Let d represent distance between Mai's house and mountains and r represent Mai's rate while going to mountains.

We have been given that there was heavy traffic on the way there, and the trip to mountains took 8 hours.

$\text{Distance}}=\text{Time}\times \text{Speed}$

$d=8r...(1)$

We are also told that when Mai drove home, there was no traffic and the trip only took 6 hours. Her average rate was 16 miles per hour faster on the trip home.

$d=6(r+16)...(2)$

Upon equating equation (1) and equation (2), we will get:

$8r=6(r+16)$

$8r=6r+96$

$8r-6r=6r-6r+96$

$2r=96$

$\frac{2r}{2}=\frac{96}{2}$

$r=48$

Upon substituting $r=48$ in equation (1), we will get:

$d=8r\Rightarrow 8(48)=384$

Therefore, Mai lives 384 miles away from the mountains.

8 0

3 years ago

A pack of 12 retractable pens costs $12.24.<br><br><br><br> What is the price of 2 pens?

iogann1982 [59]

$2.04 is the answer because 1 pen costs $1.02

4 0

3 years ago

Find the equation for the trend line through the points (0, 11) and (100, 33). Then use it to predict the number of baskets Romy

sleet_krkn [62]

Answer:

28 baskets

Step-by-step explanation:

The equation for a linear trend line is given by:

y = mx + b, where y and x are variables, m is the slope of the line and b is the y intercept (that is value of y when x is zero).

The equation of a line passing through two points $(x_1,y_1)\ and\ (x_2,y_2)$ is:

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

y represent the number of baskets made and x represents the time take. Given that the line passes through the points (0, 11) and (100, 33), hence:

$y-11=\frac{33-11}{100-0}(x-0)\\\\y-11=\frac{11}{50}x\\\\y= \frac{11}{50}x+11$

The number of baskets Romy would make after practicing for 80 minutes (x = 80) is:

$y=\frac{11}{50}x+11\\\\y=\frac{11}{50}(80)+11 \\\\y=17.6+11\\\\y=28.6\\\\Therefore\ y\ =\ 28\ baskets$

5 0

3 years ago