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2 years ago

If every side of a triangle is doubled, then what is the increase in the area of the triangle

Mathematics

1 answer:

SIZIF [17.4K]2 years ago

4 0

think the area would be 2x

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Solve the system <br> thank you

Lunna [17]

Answer:

infinite solutions

Step-by-step explanation:

replace x with 3y + 9 in the second equation

9 - (3y + 9) = -3y ➡ 9 -3y -9 = -3y ➡9-9 = 3y-3y ➡ 0 = 0

this means whatever numver you write instead of y there will be a solution.

6 0

2 years ago

Tony separates a number of paintbrushes, x, into 3 equally sized groups. He claims that this is the same as making a group 1/3 t

DochEvi [55]

Answer:

Size of each group = $\frac{x}{3}$

Step-by-step explanation:

Total number of paint brushes = x

Since each the three groups are equally sized, to get the number of paintbrushes in a group, we will have to divide the total number of paint brushes by 3

∴ We have, number of paint brushes in a group = $\frac{Total number of paintbrushes}{3}\\$

= $\frac{x}{3}$

this is also the same thing as saying $\frac{1}{3}$ × $\frac{x}{1}$

This shows that the size of the new group is the same as $\frac{1}{3}$ the size of the original group

4 0

3 years ago

Solve the equation 14x+7Y=28 for x

Jobisdone [24]

Answer:

x= 2-1/2

Step-by-step explanation:

14x + 7y = 28

SUBTRACT 7Y FROM BOTH SIDES (TO ISOLATE X)

14x=28-7y

DIVIDE BY 14 TO ISOLATE X

x= 2-1/2

HOPE THIS HELPS ......PLZ MARK BRAINIEST

7 0

2 years ago

W(n)=n^2-3n find w(4)

Zina [86]

If w(n) = n² - 3n,

w(4) = 4² - 3(4)

= 16 - 12

= 4

w(4) = 4

4 0

2 years ago

Please help!! This is Urgent!!

Akimi4 [234]

Answer:

x=2and x= -- 22

Step-by-step explanation:

7 0

2 years ago

If every side of a triangle is doubled, then what is the increase in the area of the triangle ​

If every side of a triangle is doubled, then what is the increase in the area of the triangle