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Rus_ich [418]
3 years ago
15

True or false: The vertical line test may be used to determine whether a relation is a function.

Mathematics
2 answers:
photoshop1234 [79]3 years ago
7 0
The answer to your question is true.
Marina CMI [18]3 years ago
6 0
True, the purpose of the vertical line test is to determine whether a relation is a function.
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Which of the following is a true statement about functions?
raketka [301]

Answer:

B. if F is a fuction then F(2+h)=f(2)+f(h)

Step-by-step explanation:

3 0
3 years ago
3/4 is 1/3 of what number? Write a division expression to match this expression
WITCHER [35]
It would be 9/4. To find 1/3 of something you have to multiply it by 3. 9/4 should be considered as a division expression. Hope this helped!
7 0
3 years ago
Sarah saved $12.75 every week for a number of weeks, w. She received an additional $25 during the last week in which she saved m
Umnica [9.8K]

Answer:

12.75w + 25 = 114.25

w = 7

Step-by-step explanation:

since sarah is receiving 12.75 each week for a number of weeks, w (we don't know its value yet)  we know that first part of the equation: that 12.75 is the coefficient next to w. Then we have the extra 25, so we know that adding 12.75w and 25 would give us sarah's total amount, which is 114.25.

to find out what w represents, we have to solve for it. solving for w means isolating it on one side. so, what we can do first is subtract 25 from both sides. that would then make the equation:

12.75w = 89.25

now, we have only one step left to isolating w, and that's to get 12.75 on the other side somehow. since we're multiplying 12.75 with w, and we're applying additive inverse properties, meaning the opposite of what is happening to cancel it out on the side it's in, we would divide 12.75 on both sides. in the left, 12.75 would cancel out, and in the right, we would divide 89.25 by 12.75. the quotient is 7.

now there's nothing left to take out to isolate w, so we have:

w = 7

sarah saved up for 7 weeks.


3 0
3 years ago
What is the surface area of a square pyramid with a height of 12 mm and a base that measures 8 mm on each side?
Nostrana [21]

Answer:

266.39mm²

Step-by-step explanation:

The formula for surface area of a square based pyramid =

S.A = a² + 2a √a²/4 + h²

Where

a = base length = 8mm

s = Height of the pyramid = 12mm

Hence,

S.A = 8² + 2 × 8 × √8²/4 + 12²

S.A = 64 + 16 ×√64/4 + 144

S.A = 80 × √16 + 144

S.A = 80 × √160

S.A = 266.39 mm²

Therefore, the surface area of a square pyramid is 266.39 mm²

8 0
2 years ago
What is 6x - 7y = 2(x+10y )
marysya [2.9K]

6x-7y= 2(x+10y)

x=24/4y

4 0
3 years ago
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