MATHEMATICS HIGH SCHOOL

What is the equation of -1/2 that passes through the point (6,-6) Options are ..1) y= 1/2x-3
2) y= -1/2x+3
3) y= -1/2x-3
4) y= -2x-3

Please explain why the answer is what it is.

Answers

Answer 1
Answer: formula of the line is
 y = mx + c
we know y, m and x, find c

-6 = - (1)/(2)(6) + c
-6 = -3 + c
-6 + 3 = -3 + 3 + c
-3 = c

y = - (1)/(2) x - 3

Answer is the third one.

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A book shows an enlarged photo of a carpenter bee. A carpenter bee is about 6×10^-3 m long. The photo is 13.5 cm long. About how many times as long as a carpenter bee is the photo?

Answers

 A ratio compares values. A ratio says how much of one thing there is compared to another thing. We do as follows:

length of photo/ length of a carpenter bee = ratio of the two
13.5 / 6x10^-3 = 2250

Therefore, the photo is 2250 longer than the carpenter bee.

Which is NOT a major expense category?housing
transportation
electricity
food

Answers

That would be food! Hope this hlep!

What is two x one half

Answers

2*1/2=1 because half or 2 is 1
2* (1)/(2) = \frac {2}{2}=1

A dietitian wishes to plan a meal around three foods. Each ounce of food A contains 10% of the daily requirements for carbohydrates, 10% for protein, and 15% for vitamin D. Each ounce of food B contains 10% of the daily requirements for carbohydrates, 5% for protein, and 0% for vitamin D. Each ounce of food C contains 10% of the daily requirements for carbohydrates, 12.5% for protein, and 10% for vitamin D. Let x, y, and z, respectively, be the number of ounces of foods A, B, and C required in order to supply exactly the daily requirements for each nutrient. Find them by setting up a system of equations and solving it.

Answers

Answer:  x = 4, y = 2, z = 6

Step-by-step explanation: 4 ounces of Food I,  2 ounces of Food II,  6 ounces of Food III.

In a poll given by the magazine Literary Digest in 1936, presidential candidate Alf Landon received 16,679,583 votes. Determine whether the data value is from a discrete or continuous data set.A.
It is from a discrete data set because the set has infinitely many possible values.

B.
It is from a discrete data set because the number represents a count.

C.
It is from a continuous data set because the set has infinitely many possible values.

D.
It is from a continuous data set because the number represents a count.

Answers

B.

It is from a discrete data set because the number represents a count.

------------

This question is solved classifying a variable as discrete or continuous.

  • Discrete variable: Also known as countable, cannot be represented by decimal numbers.
  • Continuous variable: Can be represented by decimal values.

------------

In this question, the variable is the number of votes.

The number of votes represent a count, that is, a candidate can have 0, 1, a thousand, ... votes, that is, the number of votes cannot be decimal, thus, it is a discrete variable, and thus, the correct option is:

B.

It is from a discrete data set because the number represents a count.

A similar question is found at brainly.com/question/14773062

B. Discrete because count

I need help with all of it

Answers

Domain = x values; Range = y values

1) Domain: [0,6] Range: [-3,3]

2) Domain: (-infinity, infinity) Range: [-1, infinity)

3) Domain: [-2, 5] Range: [-2, 1]

4) Domain: (-infinity, 4] Range: (-infinity, infinity)

5) Domain: [-3, 3] Range: [-4, 4]

6) Domain: (-infinity, 4] Range: (-infinity, infinity)
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