MATHEMATICS HIGH SCHOOL

Which of the following functions is not written in explicit form? y=x
x^2-6xy-9y^2=0
y=0
y=-squrt (1-x2)

Answers

Answer 1

Answer:

Answer:

Option 2 and 3 are not written in explicit form.

Step-by-step explanation:

We have four functions we have to find which one of them are not written in explicit form:

Explicit form is the form in which we can finc the value of n.

Option 1 is correct

y=x because

we can calculate y and x by substituting different values.

Option 2 is incorrect because we can not calculate y from the given equation

$x^2-6xy-9y^2=0$

Option 3 is incorrect because y=0 we can not find anything.

Option 4 is correct because we can find values of y by substituting different values of x in the given equation that is $y=-\sqrt{(1-x^2)$ .

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In a recent study, volunteers who had 8 hours of sleep were three times more likely to correctly on a math test than were sleep-deprived participants. 1) Identify the sample used in the study.
A) The sample is the math questions in the study.
B) The sample is the responses of the volunteers in the study.
C) The sample is the amount of sleep the volunteers got in the study.
D) The sample is the sleep-deprived participants in the study.
2) What is the sample's population?
A) The population is the collection of all the math questions from the math test.
B) The population is the collection of the responses of all individuals who completed the math test.
C) The population is the collection of all the individuals who completed the math test.
3) Which part of the study represents the descriptive branch of statistics?

Answers

1) Identify the sample used in the study: B) The sample is the responses of the volunteers in the study

2) What is the sample's population: B) The population is collected of the response of all individuals who completed the math test

3) Which part of the study represents the descriptive branch of statistics:

individuals who are not sleep deprived will be more likely to answer math questions correctly than individuals who are sleep deprived.

hope i helpd

-lvr

Find the value of the following:|-15|.

Answers

Answer:

The answer is 15 because that absolute value for anything is 15. No matter what number

Step-by-step explanation:

Seven times the difference of triple a number and three

Answers

Answer:

21x- 21

Step-by-step explanation:

7 × (x × 3 - 3)

7 × (3x - 3)

21x - 21

I'm not sure if the answer is correct

C = 2(pie)r. Find the radius r when C = 50.24. Use 3.14 for pie.

Answers

circumference = 2 * PI * radius
radius = 50.24 / (6.28)
radius = 8

(05.02)An artist is designing a kite like the one show below. Calculate the area to determine how much material she will need to create the kite.A kite with two top triangles with height of 5 inches and a base 7.5 inches. The bottom two triangles share the base but have a height labeled 14 inches.
142.5 square inches
105 square inches
37.5 square inches
34 square inches

Answers

Answer:

(A) 142.5 square inches

Step-by-step explanation:

It is given that A kite with two top triangles with height of 5 inches and a base 7.5 inches. The bottom two triangles share the base but have a height labeled 14 inches that is:

DE=5in, EC=7.5in, EB=14in

Now, area of the two top triangles of the kite= $2((1)/(2){*}EC{*}DE)$