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3 years ago

Please select all correct answers.

Mathematics

1 answer:

ankoles [38]3 years ago

4 0

Hey There!

Vertical line graphs never represent a function.

Due to this rule, we could eliminate all of the answer choices as it is suggesting the graph is a function.

The only choice which does not suggest the graph is a function is D, is D, if we look further into the answer choice we also see that it displays correct information.

Therefore, the correct answer would only be D.

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What is the equation of the line that passes through the points (4, –1) and (3, 5)?

uysha [10]

Answer:

(4, -1) (3, 5) In this problem, we use the formula y2 - y1 over x2 - x1.

Step-by-step explanation:

Step 1: Plug In--> 5 - (-1)

3 - 4

Step 2: Simplify. --> 6

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3 years ago

An angle measures 156° less than the measure of its supplementary angle. What is the measure of each angle?

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Answer:

12° and 168°

Step-by-step explanation:

If x is the angle, and y is the supplementary angle, then:

x + y = 180

x = y − 156

Solve the system of equations using substitution:

y − 156 + y = 180

2y = 336

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Plug back into either equation to find x:

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4 years ago

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Answer:

Step-by-step explanation:

If we find the average for both companies, it is 72, therefore there are two rows each with 72 cadets

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2 years ago

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The area of the following equilateral triangle is 62.4 square feet that is he height

Vikentia [17]

The height of this triangle would be 10.4

In order to find this, you first must find the length of the sides. Using a manipulated formula for area of an equilateral triangle, we can determine the lengths of the side. Below if the formula.

S = $\frac{2}{3}3^{\frac{3}{4}} \sqrt{A}$

In this, S is the length of the side and A is the area. So we plug in and get:

S = $\frac{2}{3}3^{\frac{3}{4}} \sqrt{62.4}$

S = $\frac{2}{3}3^{\frac{3}{4}} 7.89$

S = 12

Now that we have the side as 12, we can use the Pythagorean Theorem to find the height. If you split a equilateral triangle down the middle, you are left with two right triangles. Using this right triangle, the hypotenuse would be 12, the first leg would be 6 (half of the base) and the height would be the other leg. So we plug in and solve.

$a^{2} + b^{2} = c^{2}$