MATHEMATICS HIGH SCHOOL

Which of the following lists of ordered pairs is a function? A. (1, 2), (1,-2), (3, 2), (3, 4)
B. (2, 4), (0, 2), (2, -4), (5,3)
c. (1,6), (2, 7), (4, 9), (0,5)
D. (0,2), (2,3), (0, -2), (4,1)​

Answers

Answer 1
Answer:

Answer:

Option C is correct.

Step-by-step explanation:

Function is a Relation from set A to Set B whose every element of set A has one and only one image  in Set B.

Option A).

(0,2) , (2,3) , (0,-2) , (4,1)

here 0 has two image 2 and -2.

So, this is not function.

Option B).

(1,2) , (1,-2) , (3,2) , (3,4)

here 1 has two image 2 and -2.

So, this is not function.

Option C).

(1,6) , (2,7) , (4,9) , (0,5)

Here every element has only one image.

So, this is a function.

Option D).

(2,4) , (0,2) , (2,-4) , (5,3)

here 2 has two image 4 and -4.

So, this is not function.

Therefore, Option C is correct.

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The area of the garden is 13.92 square meters. A fence is planned around the perimeter of the garden. How many meters of fencing are needed?

Answers

The meters of fencing that is needed is = 3.36m

Calculation of needed meters

The garden is designed in a trapezoid form with sides= a; 3.3m and b; 5.28m.

The area of the trapezoid garden = 13.92 m²

Therefore the meters of fencing needed which is height = ?

The formula for the area of trapezoid = A = (a+b/2)h

From the formula make h the subject of formula;

h = A *2/a+b

h = 13.92*2/3.3+5.28

h =27.84/8.28

h= 3.36m

Therefore, the meters of fencing that is needed is = 3.36m.

Learn more about trapezoid here:

brainly.com/question/1463152

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Final answer:

The amount of fencing needed is 15.96 m.

Explanation:

To find the amount of fencing needed, we need to calculate the perimeter of the garden. Since the area is given as 13.92 square meters.

The perimeter is the total length of all the sides of the garden added together.

The area of the garden is 13.92 square meters, which means that the garden is a rectangle with a length of 4 meters and a width of 3.48 meters.

Perimeter = 2 * (length + width)

Perimeter = 2 * (4 + 3.48)

Perimeter = 15.96 meters

Therefore, 15.96 meters of fencing are needed.

Learn more about Perimeter of a garden here:

brainly.com/question/31428848

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Tony hit 9 out of 15 pitches at baseball practice yesterday. What percentage of the pitches did Tony NOT hit?

Answers

Answer:

40%

Step-by-step explanation:

using the box method,

multiply 9 × 100

= 900 and divide 900 by 15

900 ÷ 15 = 60%

60% is the amount of pitches he hit

100% - 60% = 40%

he missed 40%

Answer:

5%

Step-by-step explanation:

Mario received 15% of the votes for class president. He got 45 votes. How many people voted in the election?

Answers

Answer:

Yikes

Step-by-step explanation:

we should private talk in chat. I could explain it to you.

Which equation can be solved to find one of the missing side length in ?

Answers

To find length BC, we can use

cos 60° = adjacent/hypotenuse

cos 60° = a/12

Which equation represents this situation? Naila worked 3.5 hours more than Lisa. Together, they worked a total of 18 hours. Lisa worked h hours. Question options:
a.h + 3.5 = 18
b.h + 7 = 18
c.h + (h – 3.5) = 18
d.h + (h + 3.5) = 18
Agora cyber charter school

Answers

The answer would most likely be A

38 plus what equals 180

Answers

38 plus 142 is equal to 180 again

Hi

Just replace the unknown number by x

so we have

38+x=180

Subtract 38 from both sides

x+38-38=180-38

x=142


I hope that's help:0
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