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Luda [366]
3 years ago
14

Help me please thanks

Mathematics
1 answer:
balu736 [363]3 years ago
6 0

Answer:

x < (with the line at the bottom) -2. So the third answer choice.


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Find the roots of the polynomial equation x^3+2x^2+3x+6=0
rodikova [14]

Answer: x=−2

Step-by-step explanation:

x^3+2x^2+3x+6=0

(x+2)(x^2+3)=0

x+2=0 or x^2+3=0

x=−2


4 0
3 years ago
Someone please help me with this
goldfiish [28.3K]

Answer:

<em>50° is the correct answer</em>

Step-by-step explanation:

<u>Right Triangles</u>

The right triangles are identified because they have an internal angle of 90°. The basic trigonometric ratios can be used to find angles and side lengths as needed.

We have a right triangle with the following characteristics:

The hypotenuse is 13 units long

The indicated angle is opposite to the leg of 10 units long.

When we know the length of the opposite side, we use the sine ratio. Let's call θ to the required angle:

\displaystyle \sin\theta=\frac{\text{opposite side}}{\text{hypotenuse}}

\displaystyle \sin\theta=\frac{10}{13}

Using a calculator set in mode <em>degrees</em>, the angle is:

\theta=\sin^{-1}\frac{10}{13}

\theta\approx 50.3^\circ

First choice: 52° is not correct because is not a good approximation to 50.3°

Second choice:38° is not correct because is not a good approximation to 50.3°

Third choice: 50° is a good approximation to 50.3°. Correct Answer

Fourth choice: 40° is not correct because is not a good approximation to 50.3°

3 0
3 years ago
Factorise (x+y)^2-(4-x)^2​
vovikov84 [41]

Answer:

by using the identity a square - b square = (a+b)*(a-b)

a = x+y

b=4-x

= (x+y + 4-x)(x+y - 4-x)

y+4 * x+y -4+x

y+4*2x+y-4

2xy+y square -4y + yx + 4x + 4y - 16 +4x

3xy +y square + 8x -16

Step-by-step explanation:

4 0
3 years ago
PLEASEEEEEEEEEEEEEEEEEEEEEE Edgar rolls two six-sided number cubes. What is the probability that he rolls a 2 on
sleet_krkn [62]
<h3>Answer:  Choice C</h3>

4/36 = 1/9

==============================================================

Explanation:

Circle the second row. This is where each of the red die results are "2"

Then look at the cases when the second die is less than "5". So we could have a 1, 2, 3, or 4 on this second die.

As you can see, there are 4 cases when the first number is a 2 (red) and the second number is less than 5 (white).

We have m = 4 cases we want out of n = 6*6 = 36 cases total.

m/n = 4/36 = 1/9 is our final answer.

4 0
1 year ago
GIVING 30 POINTS AND BRAINLIEST NEED HELP QUICK
77julia77 [94]

Answer:

D) aas

look i wanted to tell whoever is reporting peoples answers for no reason plz STOP. It's really annoying cause if you keep doing that people will get banned for no reason. So like i said plz stop reporting for no reason

4 0
2 years ago
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