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insens350 [35]
3 years ago
9

4x+100 6x+216 find x

Mathematics
1 answer:
Lemur [1.5K]3 years ago
6 0

Answer:

4x=100+6x=216=

Step-by-step explanation:

100+216=316 and 4x+6x= 10

316/10 = 31.6

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5. The width of a row of identical townhouses,
Serjik [45]

Answer:

a. The value of the constant k is 21

b. The equation is y = k * x, where k is the proportionality constant, "x" is the number of terraced houses and "y" is the width of a row of identical houses.

Step-by-step explanation:

a.

<em>A proportional relationship satisfies the equation y = k * x, where k is a positive constant and is called a proportionality constant. In this case "x" is the number of terraced houses and "y" is the width of a row of identical houses. </em>

The data you have is that the width of 5 townhouses are 105 feet. This means that the value of "x" is 5 houses and the value of "y" is 105 feet. By replacing in the equation y = k * x and isolating the constant k, you get:

<em>105=k*5 </em>

k=\frac{105}{5}

<em>k=21 </em>

<u><em>So the value of the constant k is 21.</em></u>

b.

<em>As mentioned, the equation is y = k * x, where k is the proportionality constant, "x" is the number of terraced houses and "y" is the width of a row of identical houses.</em>

This means that just as "x" increases, "y" increases. And that if "x" decreases, "y" will decrease. And this relationship between "x" e "and" will always be the same, determined by the value of the constant "k".

7 0
3 years ago
Which diagram correctly shows all lines of symmetry in the figure?<br> (Please say why)
saveliy_v [14]

The answer is the 2nd one because you can only fold this object like this and no other way.

6 0
3 years ago
What is the answer to this please help
lora16 [44]

Answer:

A = 140

Step-by-step explanation:

Area of a triangle:

A = 1/2bh

Given:

b = 20

h = 14

Work:

A = 1/2bh

A = 1/2(20)(14)

A = 10(14)

A = 140

6 0
3 years ago
Downtown, 8 artists were painting a mural that was 86 feet long. If they split the canvas evenly,how much will each artist get t
marissa [1.9K]
You would want to divide the 86 feet by the 8 artist so you would do..
86 feet / 8 artists = 10.75 feet per artist

For the second part 10.75 would fall between 10 and 11

3 0
3 years ago
Write and evaluate the expression. Then, select the correct answer.
FromTheMoon [43]

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4 0
2 years ago
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