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ICE Princess25 [194]
3 years ago
8

Help pls fast

Mathematics
1 answer:
Andrews [41]3 years ago
6 0

Answer:

32.40cm²

Step-by-step explanation:

Given the parallelogram ABCD ;

side AB is always Parallel to CD, hence ;

AB = CD = 7.2cm

Perpendicular from C on AB is the height of the parallelogram = 4.5cm

Area of a parallelogram : base * height

Area of a parallelogram = length base * height

Area of a parallelogram = 7.2 cm * 4.5cm

Area of parallelogram = 32.40cm²

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Suppose a certain outlet chain selling appliances has found that for one brand of stereo system, the monthly demand is 240 when
Doss [256]

Answer: Therefore the demand function can be given as;

q = -3/2p + 1590

Step-by-step explanation:

Given that at;

$900 the monthly demand is 240. ....1

$850 the monthly demand is 315. ....2

Since, the function is a linear function. The demand function would be of the form;

q = mp + c ....5

Where q = quantity demanded

p = price m = slope and c = intercept

Substituting conditions 1 and 2 to the equation.

240 = 900m + c. ...3

315 = 850m+ c ...4

Subtracting eqn 4 from 3

-75 = 50m

m = -75/50

m = -3/2

Substituting m = -3/2 into equation 3;

We have,

240= -3/2(900) + c

c = 240 + 3/2(900)

c = 1590

Therefore the demand function can be given as; substituting m and c into equation 5, we have;

q = -3/2p + 1590

6 0
4 years ago
On a 100 feet circular race track there are lights
solmaris [256]
<h2>Answer:</h2>

<u>Every 18 feet.</u>

<h2>Step-by-step explanation:</h2>

<h3>1. Find the LCM between the numbers.</h3>

LCM stands for "least common multiple", and is the least number that results from multiplicating any of the 3 numbers by another number.

Analyze numbers starting from 9 to find the LCM. The first number than can be divided by 3, 6, and 9 is 18. Hence, 18 is out LCM

<h3>2. Interpret the results.</h3>

18 as a LCM means that every 18 feet there will be lights at the same distance in the circular road.

<u>---------------------------------------------------------------------------------------------------------</u>

<u />

Check out the attched image to see a linear graphic representation of the problem.

8 0
2 years ago
A line has a slope of 2 and passes through the point (-2,8). What is the equation of the line?
klemol [59]

Answer:

y-8=2(x+2)

Step-by-step explanation:

Equation of a line is easy once you get the hang of it. State with the point slope form y-y2=m(x-x2) Simply plug in the points given to get the equation.

4 0
4 years ago
Addison is going to invest $920 and leave it in an account for 14 years. Assuming the interest is compounded annually, what inte
elena-s [515]

Answer:

5.4%

Step-by-step explanation:

4 0
3 years ago
Find the area of the triangle shown above
Lostsunrise [7]

Answer:

the area is 32 square inches

Step-by-step explanation:

you multiply both sides that have 9 because they are equal and then you add the 14 on

3 0
3 years ago
Read 2 more answers
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