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saw5 [17]
3 years ago
6

I need help with example 4 plz

Mathematics
1 answer:
Nikolay [14]3 years ago
6 0

Answer:

a) y=1

b) x=-3

Step-by-step explanation:

Recall the forms of vertical and horizontal lines

Horizontal lines come in the form of y=0x+b, so the slope of the equation is zero. The value of b will be the y-value of the point that  you're given.

This means that the equation for a would be y=1

Vertical lines come in the form of x=a. For this line, the value of a would be equivalent to the x-value of the given point. Therefore, b. would be x=-3

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The isosceles triangle shown has a base of 4 y + 2 and a perimeter of 6 y + 12 .  Which expression represents the length of 1 o
liberstina [14]

Answer:

The expression that represents the length of 1 of the triangle's legs is y + 5

Step-by-step explanation:

An isosceles triangle has two sides equal which are the triangle legs. Let b represent the base of the triangle and l represent one of the triangle's legs. Then, the perimeter, P is given by

P = l + l + b

i.e P = 2l + b

From the question, P = 6y + 12 and b = 4y +2

∴ 6y + 12 = 2l + 4y + 2

6y - 4y + 12 - 2 = 2l

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∴ 2l = 2y + 10

Then,

l = (2y+10)/2

l = y + 5

Hence, the expression that represents the length of 1 of the triangle's legs is y + 5  

4 0
3 years ago
Where is the answer to the expression 4 − 8 located on a horizontal number line?
Lady_Fox [76]

Answer:

8 units to the left of 4

Step-by-step explanation:

3 0
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Please help me it would mean a lot thank you:)
Alexeev081 [22]
Number 4. will be a. because if you do 7*9=63*10=630.
5 0
3 years ago
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Please help! I would really appreciate it!!
Luda [366]

Answer:

Dunno wat that means im in elementary lel =]

But I know wat its like to not have an answer on a hard question =(

5 0
2 years ago
segment Y prime Z prime has endpoints located at Y'(0, 3) and Z'(−6, 3). segment YZ was dilated at a scale factor of 3 from the
liberstina [14]

Answer:

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Step-by-step explanation:

Since Y'Z' was dilated from the origin at a scale factor of 3, you can divide its X and Y coordinates by 3 to find the coordinates of YZ.

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