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lbvjy [14]
3 years ago
11

10. if ABC is equilaterteral, solve for x​

Mathematics
1 answer:
djyliett [7]3 years ago
8 0

Answer:

13

Step-by-step explanation:

If ABC is equilaterteral then all the angles must be equal and 60°

8x - 44 = 60 add 44 to both sides

8x = 104 divide both sides by 8

x = 13

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The 7th grade has 195 students. There are 25 more girls than boys in the grade. How many boys are there in 7th grade
Cloud [144]

Answer:

85 boys, 110 girls

Step-by-step explanation:

85 boys+25 more girls= 110 girls

110 girls+85 boys= 195 total students

7 0
3 years ago
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The game show contestant spins a spinner with the letters E, W, Y, l and Z on it, then either an easy or a hard question is pick
prisoha [69]

Answer:

  1/5

Step-by-step explanation:

We assume the events are independent, so the probability of the joint event is the product of the probabilities of the individual events.

  P(Y or W) = 2 letters of 5 = 2/5

  P(easy) = 1 of 2 kinds = 1/2

The product of these is ...

  P((Y or W) and (easy)) = (2/5)(1/2) = 1/5

_____

In both cases, we have to assume that each of the possible outcomes is equally likely.

5 0
3 years ago
22% of all resumes received by a corporation for a management position are from females. 18 resumes will be received tomorrow.
Vladimir79 [104]

Answer:

5.80% probability that exactly 1 resume will be from females.

Step-by-step explanation:

For each resume received by the corporation, there are only two possible outcomes. Either they are from a female, or they are not. The probability of a resume received being from a female is independent from other resumes. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

22% of all resumes received by a corporation for a management position are from females.

This means that p = 0.22

18 resumes will be received tomorrow.

This means that n = 18

What is the probability that exactly 1 resume will be from females?

This is P(X = 1).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 1) = C_{18,1}.(0.22)^{1}.(0.78)^{17} = 0.0580

5.80% probability that exactly 1 resume will be from females.

3 0
3 years ago
(2^4x+4)÷(2^x+1)<br> 60 POINTS<br> BRANLIEST IF RIGHT
zmey [24]

Answer:

\frac{2^4^x + 4}{2^x + 1}

The file includes the input of your equation, comment if the equation you input is a mistake.

6 0
2 years ago
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It’s just 2.a answer please
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You have to convert the 30 inches into you know what and add them all together
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