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musickatia [10]
2 years ago
9

PLEASE HELPPP THANK YOUUUU​

Mathematics
1 answer:
Sphinxa [80]2 years ago
5 0

Answer:

X = 11.5

Step-by-step explanation:

Check your work: 6 x 11.5 - 9 = 60

(it’s 60 because the triangle is congruent.)

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A rectangle has area x3 + 3x2 - 18x in.2 and width x + 6 in. What is the length in inches?​
Viefleur [7K]

Answer:

HOPE THIS HELPS

Step-by-step explanation:

The area = length * Width.

We know the width = X+6 inches and Area = x^3+3x^2–18x.

This problem can be solved just by dividing the area by width and we get a quotient as X^2–3x.

So the length is x^2–3x inches.

7 0
3 years ago
Show the working for <br><br> 3y^2 x 2y^5 x 5y^4 over 6y^3 x 4y^4
solong [7]

Answer:

please I can't do it I have not been thought

6 0
2 years ago
Which of the following is the inverse of y=3x?
shtirl [24]

Answer-

<em>The inverse of y=3^x is </em>

\boxed{\boxed{y=\log_3 x}}

<u>Solution-</u>

The given function is,

y=3^x

We can get the inverse by interchanging he variable x and y among themselves and then separating each variables.

So in the inverse would be,

\Rightarrow x=3^y

Taking log of both sides,

\Rightarrow \log x=\log 3^y

As,

\log a^b=b\times \log a

Applying the same,

\Rightarrow \log x=y\times \log 3

\Rightarrow y=\dfrac{\log x}{\log 3}

As,

\log_b a=\dfrac{\log a}{\log b}

Applying the same,

\Rightarrow y=\log_3 x

Therefore, the inverse of y=3^x is y=\log_3 x.

7 0
3 years ago
Read 2 more answers
How to solve this problem
Arisa [49]
First, you solve the square root:

9+ \sqrt{-4}

Knowing that the square root of a negative number doesn't exist:

9+ \sqrt{-4}
9+2i is your answer.


Hope it helped,

Happy homework/ study/ exam!


4 0
3 years ago
What is the theoretical probability that a coin toss results in two heads showing?
Bond [772]
Since it's not mentioned I assume the Event of tossing a die twice are done simultaneously.

1- What is the theoretical probability that a coin toss results in two heads showing? I guess you mean: The theoretical probability of tossing 2 heads in 2 flips, if so P(1st Head) = 1/2 AND P(2nd Head) = 1/2, then the probability of getting 2 heads simultaneously is P(1st Head AND 2nd Head) = 1/2 x 1/2 = 1/4

2- What is the experimental probability that a coin toss results in two heads showing? In this case, I suggest that you toss a coin several times until 2 heads appear and then you calculate P: Assuming you get 2 heads (out of 10toss), the P(H) =2/10

3- What is the experimental probability that a coin toss results in two tails showing? Same logic as the previous one

4- What is the theoretical probability that a coin toss results in one head and one tail showing? If you get one Head, P(H) =1/2 and if you want a tail in the 2nd toss P(1/2). So P(one Head AND one tail) = 1/2 x 1/2 = 1/4

5- What is the experimental probability that a coin toss results in one head and one tail showing? Same as 3- or 4-

8 0
2 years ago
Read 2 more answers
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