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ivolga24 [154]
3 years ago
5

Help!! I think I got these wrong, so please help!! Thank you!

Mathematics
1 answer:
Andrew [12]3 years ago
8 0

Answer:

(x+3)(x+4)(x-4)

x+2 and x-3 are not factors but x-4 is

Step-by-step explanation:

let's factor it :)

x^3 + 3x^2 - 16x -48

first we will factor this:

x^3 + 3x^2

x^2(x + 3)

then factor the second part :

- 16x - 48

-16(x + 3)

so now,

x^2(x + 3) - 16(x + 3)

factor out x+3

(x+3)(x^2 - 16)

factor x^2 - 16

(x+3)(x+4)(x-4)

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Scientific notation --&gt; 2.34* 10^14 <br> written in standard form
Ghella [55]

Answer:

there's 104 days of summer vacation

3 0
3 years ago
Suppose a triangular desk will be built in the corner of that room. It will be in the shape of a 30-60-90 right triangle. The le
Iteru [2.4K]

Answer:

<u>Longer leg = 5 feet</u>

<u>Shorter leg ≅ 2.89 feet</u>

<u>Hypotenuse ≅ 5.78 feet</u>

Step-by-step explanation:

Let's recall that this is a special type of triangle where the three angles measure 30 degrees, 60 degrees, and 90 degrees. The ratio of the sides is 1:  √3  :2. That is to say, the hypotenuse is twice as long as the shorter leg, and the longer leg is the square root of 3 times the shorter leg.

Upon saying that, we can find the length of the legs of the triangle given:

Longer leg = 5 feet

Shorter leg * √3 = 5

Shorter leg = 5/√3 = 5√3/3 ≅ 2.89 feet

Hypotenuse = 2 * Shorter leg

Hypotenuse = 10√3/3 ≅ 5.78 feet

8 0
3 years ago
Help me ill mark u brainliest xd
AlexFokin [52]
20 x 42= 840
So the area would be 840 mm^2.
6 0
3 years ago
Read 2 more answers
Need help. <br><br> Enter an inequality that represents the graph in the box.
xxMikexx [17]
First you need to form a worthy equation using slope-intercept (y=mx+b). Do that by counting the slope and finding the y-intercept. Then you have to choose between < or > to make it more accurate. In order to do so, you would have to pick a point with a point x and y and see wether or not I’m the equation is true when you put it in the blanks. If it’s true then you would shade whichever region the point is. If it’s false then shade the opposite region.

Good luck!!!!!!! :)
5 0
3 years ago
Find the Sine of angle A<br> 8/17<br> 8/15<br> 15/8<br> 15/17
Vlad [161]

Given:

In triangle ABC, AB = 30, BC = 16, AC = 34 and measure of angle B is 90 degrees.

To find:

The value of Sine of angle A.

Solution:

In a right angle triangle,

\sin\theta=\dfrac{Perpendicular}{Hypotenuse}

In the given triangle ABC,

\sin A=\dfrac{BC}{AC}

\sin A=\dfrac{16}{34}

\sin A=\dfrac{8}{27}

Therefore, the correct option is A.

7 0
3 years ago
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