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alexgriva [62]
3 years ago
11

Hiro painted his room at a rate of 8 square meters per hour. After 3 hours of painting, he had 28 square meters left to paint. L

et A(t) denote the area to paint A (measured in square meters) as a function of time t (measured in hours). What is the Functions formula? A(t)=?​
Mathematics
1 answer:
coldgirl [10]3 years ago
5 0

Answer:

cgnnjfcjifchhgsiwjcjcbanxjdhw

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Which number is an integers <br> -3/4<br> 1/5<br> 2<br> 42/3
pishuonlain [190]
Integers are whole numbers so 2
6 0
2 years ago
What do the y intercept and the slope mean in the context of the example problem y=-4x+20
PtichkaEL [24]

Answer:

Therefore,

Slope = -4\\\\y-intercept=20

Step-by-step explanation:

Intercepts:

The line which intersect on x-axis and y-axis are called intercepts.

There are two intercepts:

x-intercept: The line which intersect at x-axis. So when the line intersect at x-axis Y coordinate is zero.

y-intercept: The line which intersect at y-axis. So when the line intersect at y-axis X coordinate is zero.

Given:

y=-4x+20

We have General Equation for POINT-SLOPE form for a line is given as

y=mx+c

where,

m = Slope of Line

c = y-intercept

On Comparing the given Equation with Point-Slope form we have

m = Slope = -4\\\\c=20

Therefore,

Slope = -4\\\\y-intercept=20

3 0
3 years ago
An investment company pays 7​% compounded semiannually. You want to have $24000 in the future. ​ How much should you deposit now
PtichkaEL [24]

Answer: You should deposit about $17014 or little more

Step-by-step explanation:

use the compound interest formula.

A= p( 1 + r/n)^nt

Where A is the amount you will save over some  years .

p is the principal or start up  amount mostly known as the initial fee.

r is the interest rate represent by a decimal so 7% will be 0.07.

n is the number of times the interest is being applied annually. Semiannually means  twice.  So n will be 2.

T is the time the money will elapsed. So in 5 years the money will elapse. Now input the values into the formula and solve for p the principal.

24,000 = p( 1 + 0.07/2)^2*5

24,000= p( 1 + 0.035)^10

24000 = p( 1.035)^10

24000 = p( 1.41059876062)  Divide both sides by 1.41059876062

p = 17104  

Which means you should deposit about $17014 or little more

3 0
3 years ago
A bridge on a river is modeled by the equation h = -0.2d2 + 2.25d, where h is the height and d is the horizontal distance. For c
icang [17]
The answer is 2.2108
Solution:
first equation:
h = -0.2d² + 2.25d-d + 6h = 21.77
2nd equation:-d + 6h = 21.77d = 6h - 21.77
Then substitute:h = -0.2(6h - 21.77)² + 2.25(6h - 21.77)h = 3.9968
Answer:d = 2.2108

6 0
3 years ago
Read 2 more answers
PLZ HELP ME I ONLY HAVE 10 more mins left
IceJOKER [234]

thats the graph for the equation.

hope it helps

3 0
2 years ago
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