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r-ruslan [8.4K]
3 years ago
5

Bobby describes two lines to Frank, telling him that beginning at point A, line #1 goes up 3 units and to the right 8 units, whi

le line #2 (also beginning at A) goes down 8 units and to the right 3 units. What can Frank conclude about the two lines?
A They are skew lines.
B They are parallel lines.
C They are perpendicular lines.
D He does not have enough information to make a valid conclusion.
Mathematics
1 answer:
rodikova [14]3 years ago
8 0

When a line changes position from one point to another, the movement is referred to as transition.

<em>Bobby does not have enough information to make a valid conclusion.</em>

The movements of the lines are given as:

<em>Line 1: 3 units up and 8 units right</em>

<em>Line 2: 8 units down and 3 units right</em>

The given information only describes the movement of both lines, but does not give details about the initial relationship between the lines.

<em>Hence, no valid conclusion can be made with the given information.</em>

Read more about lines at:

brainly.com/question/5830373

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F(x) = 2x – 1 and g(x) = x2 – 3x – 2, find (f + g)(x)
Doss [256]
To find (f+g)(x), add the two equations and combine like terms.

2x-1+x^2-3x-2
-x-1+x^2-2
-x-3+x^2

Rearrange
x^2-x-3

Final answer: A
5 0
3 years ago
Read 2 more answers
I need help!! please, you don’t even have to do it all just explain to me how to do the first one I’ll catch on
lisov135 [29]

Hi there!

<u>What we need to know:</u>

The three main trigonometric ratios are sine, cosine and tangent:

\displaystyle sin\theta=\frac{opposite}{hypotenuse}     \displaystyle cos\theta=\frac{adjacent}{hypotenuse}    \displaystyle tan\theta=\frac{opposite}{adjacent}

"Opposite" refers to the side opposite the angle that is not the hypotenuse.

"Hypotenuse" refers to the side opposite the right angle of a right triangle.

"Adjacent" refers to the side next to the angle that is not the hypotenuse.

"θ" is read as "theta". It just represents the angle.

Keep in mind that these three ratios only apply to right triangles.

You can use the mnemonic "soh-cah-toa" to help you remember these ratios.

<u>First question</u>

For the first question, we're given the angle with a measure of 56 degrees and the length of the <em>hypotenuse</em>. We must calculate <em>a</em>, which represents the side <em>adjacent </em>to the given angle.

Given the hypotenuse and the adjacent side, we know that we must use the cosine ratio:

\displaystyle cos\theta=\frac{adjacent}{hypotenuse}

Plug in the given information:

\displaystyle cos56=\frac{a}{13}

Isolate <em>a</em> by multiplying both sides by 13:

13\displaystyle cos56=a

Solve using a calculator:

a=7.3

Therefore, <em>a</em> is equal to 7.3 when rounded to 1 decimal place.

<u>Other information you will need to know:</u>

In the above question, we needed to solve for a side. But what if we were given two sides and we needed to solve for an angle? For example:

\displaystyle sin\theta=\frac{5}{8}

In this case, we will use the inverse sine ratio:

\displaystyle \theta=sin^-^1(\frac{5}{8})

Solve using a calculator:

\displaystyle \theta=39

Therefore, the angle would equal approximately 39 degrees.

I hope this helps!

3 0
2 years ago
Help!! <br> find the volume of the figure below
ExtremeBDS [4]
318.5

13 x 7 x 7/2 = 318.5 inches
Follow the formula
4 0
3 years ago
Read 2 more answers
5 points
Ahat [919]

Answer:

Students

Step-by-step explanation:

Teachers: 13/20= 0.65 = 65%

Students: 37/50= 0.74 = 74%

74% > 65%

Students are more in favor of the new club than teachers

7 0
2 years ago
34.15 round to the nearest hundred
I am Lyosha [343]
It’s zero, I think. Because
3 doesn’t round up. It’s stays the same. But since there is nothing in the hundred place. It is 0.
4 0
3 years ago
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