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3 years ago

Hey can you please help me posted picture of question :)

Mathematics

1 answer:

IRINA_888 [86]3 years ago

4 0

If you observe carefully, you can see that the graph is crossing x-axis at the points 1 and 9. This means x = 1 and x = 9 are the roots of the polynomials and x - 1 and x - 9 are thus the factors of the polynomial.

We can express the polynomial as the product of its factors. So the above polynomial can be expressed as (x - 1)(x - 9)

Thus, the answer to the question is option D

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There are 48 skittles in a bag but 12 are red.What percentage are NOT red skittles

IgorLugansk [536]

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3 years ago

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3 years ago

Im not sure how to find the missing angle

LuckyWell [14K]

Answer:

Step-by-step explanation:

the question is asking for the length of the side labeled x

use Pythagoras' theorem to find that side

where c = x because c represents the hypotenuse in the theorem and x is on the hypotenuse in this problem

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

sooo plug in a = 14 and b = 10

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c = $\sqrt{196+100}$

c = $\sqrt{296}$

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since this is a right triangle we could use trigonometry to find the two angles use SOH CAH TOA to remember how those functions fit on the triangle.

Sin(Ф)=Opp/Hyp Cos(Ф)=Adj/Hyp Tan(Ф)=Opp/Adj

since we know the Hyp (hypotenuse) and the side adjacent will be the side with the 10 soooo...

Cos(Ф)=10/17.20465

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3 years ago

(12) (13) Geometry Check Ans 12) x = 5 y = 2 13 x = 12 y = 13/3

brilliants [131]

Problem 12)

You are correct. You solve the system
x+1 = 3y
3x-4 = 5y+1
for x and y to find that x = 5 and y = 2

As a check
x+1 = 3y
5+1 = 3*2
6 = 6 ... true equation
and
3x-4 = 5y+1
3*5-4 = 5*2+1
11 = 11 ... true equation
Both equations are true when (x,y) = (5,2) so the answer is confirmed

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

Problem 13)

Unfortunately the diagram is cut off so its impossible to say at the moment. Please repost this one. Thank you.

6 0

3 years ago