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chubhunter [2.5K]
2 years ago
15

Question 1/14

Mathematics
1 answer:
Lostsunrise [7]2 years ago
8 0

An algebraic expression that represents the weight of this object is W=72+3.9m

  • Let the weight of this object be W.
  • Let the month be m.

<u>Given the following data:</u>

  • Weight of object = 72 pounds.
  • Increment = 3.9 pounds per month.

To write an algebraic expression that represents the weight of this object:

<h3>How to write an algebraic expression.</h3>

In this exercise, you're required to write an algebraic expression that represents the weight of this object. Thus, we would choose some variables to denote the parameters that were given in this word problem.

Therefore, the algebraic expression would be written as follows:

W=72+3.9m

Read more on word problems here: brainly.com/question/13170908

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Given:
oksian1 [2.3K]

Answer:

9 units

Step-by-step explanation:

By the midsegment theorem,

AB=\dfrac{KN+LM}{2}

Since the ratio LM:KN=1:5, then LM=x,\ KN=5x and

18=\dfrac{x+5x}{2}\\ \\18=\dfrac{6x}{2}\\ \\18=3x\\ \\x=6\\ \\LM=6\ units\\ \\KN=30\ units

Draw two heights LE and MF. Quadrilateral ELMF is a rectangle, then EF = LM = 6 units.

Trapezoid KLMN is isosceles trapezoid (KL = MN), then KE = FN and

KE=FN=\dfrac{KN-EF}{2}=\dfrac{30-6}{2}=12\ units

Consider right triangle KLE. By the Pythagorean theorem,

KL^2=LE^2+KE^2\\ \\15^2=LE^2+12^2\\ \\LE^2=15^2-12^2\\ \\LE^2=225-144=81\\ \\LE=9\ units

3 0
3 years ago
Dominics two daughters both want to take gymnastics this year. It cost 90 per month per child. How much dose dominic need to bud
CaHeK987 [17]

Answer:

$2,160 is what he need for both daughters for 1 year

Step-by-step explanation:

90 x 2 = 180

180 x 12 = 2,160

6 0
3 years ago
What is the total weight of 7 penciles
Mamont248 [21]

Answer:

0.2 - 0.3 pounds

Step-by-step explanation:

Well because I dont know much information about the weight and background of the pencils. My answer may not be correct. But the average weight would be around 0.2 - 0.3 lbs.

6 0
3 years ago
The population of the African country Uganda has been growing at a steady rate for
dem82 [27]
Well hey...
2.25 ÷ 2.17 = 1.03 people on square miles
7 0
3 years ago
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What is the difference between -4 and 6
gavmur [86]

Answer:

-10

Step-by-step explanation:

you just subtract -4 by 6 and get -10

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