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2 years ago

Translate this phrase into an algebraic expression.

Mathematics

1 answer:

alexira [117]2 years ago

6 0

Answer:

5+(11 x n)

Step-by-step explanation:

I hope this helps

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Plz answer the question

Bumek [7]

24 were of the questione were correct

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2 years ago

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Which is the correct form of the quadratic formula? A) x = b ± b2 - 4ac a B) x = b ± b2 - 4ac 2a C) x = - b ± b2 - 4ac a D) x =

ozzi

Hello!

The quadratic formula is

$x = \frac{-b +- \sqrt{ b^{2}-4ac } }{2a}$

So the answer is D

Hope this helps!

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2 years ago

I NEED HELP PLEASE, THANKS! :)

Mashutka [201]

<h2> Option A is the right option.</h2>

please see the attached picture for full solution..

Hope it helps..

Good luck on your assignment...

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2 years ago

Will give Brainliest. This is a question on Methods for Solving Systems of Equations in Algebra 1.

Nat2105 [25]

Answer:

If there are no variables left, then i guess u just have to write the rest down(constant, coefficient, etc...)

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2 years ago

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Jack is flying his kite . He runs 100 feet away from his house and lets out 45 feet of string . The angle of elevation from the

fiasKO [112]

Answer: 125.80 ft

Step-by-step explanation:

Asuming the described situation is as shown in the figure below, we need to find the distance $h$ between the kite and Jacks house, but first we need to find the $x$ , $y$ and then $d$ .

How?

We will use trigonometry, especifically the trigonometric functions sine and cosine:

For $y$ :

$sin(65 \°)=\frac{y}{45 ft}$ (1)

Where $y$ is the opposite side to the angle and $45 ft$ the hypotenuse.

Isolating $y$ :

$y=40.78 ft$ (2)

For $x$ :

$cos(65 \°)=\frac{x}{45 ft}$ (3)

Where $x$ is the adjacent side to the angle.

Isolating $x$ :

$y=19.017 ft$ (4)

Finding $d$ :

$d=x+100 ft$ (5)

$d=19.017 ft +100 ft$

$d=119.017 ft$ (6)

Now that we have found these values, we have to work with a bigger triangle, where the hypotenuse is the distance between the kite and Jack's house $h$ and the sides are the values calculated in (4) and (6).

So, in this case we will use the <u>Pithagorean theorem</u>:

$h^{2}=y^{2} +d^{2}$ (7)

Isolating $h$ and writing with the known values:

$h=\sqrt{y^{2} +d^{2}}$ (8)

$h=\sqrt{(19.017 ft)^{2} +(119.017 ft)^{2}}$ (9)

$h=125.80 ft$ This is the distance between the kite and the house

3 0

2 years ago