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Anna71 [15]
3 years ago
9

I need help figuring out the first step would it be adding up the like terms? help

Mathematics
1 answer:
Pie3 years ago
6 0

Answer: Add like terms

Step-by-step explanation:

For example, you would add 6x and 5x to make 11x, but there other two numbers you would leave alone.

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PLEASE HELP ME OUT FASTTTTT
nydimaria [60]

Answer:

1 more slice

Step-by-step explanation:

1/2 of the pizza would be 4 since (8÷2=4)

So since we need 4 pizza slices to be gone in order to make 1/2 of the pizza...

and since we know that there are three slices missing....

the equation for this is 8-3=5 and we can't have 5 we need 4 so we need 1 more slice to be eaten

6 0
3 years ago
I need help plz.......................................
umka21 [38]
Which one do you need help with

4 0
3 years ago
I really need help please !!!
lisov135 [29]

Answer:

15

Step-by-step explanation:

(whole secant) x (external part) = (tangent)^2

(5+x) * 5 = 10^2

Distribute

25 +5x = 100

Subtract 25 from each side

25-25 +5x = 100-25

5x= 75

Divide by 5

5x/5 = 75/5

x = 15

8 0
3 years ago
Eric is 6ft 2 in. tall. His brother is 4ft 9 in.tall.How many inches taller is Eric than his brother?
Oksanka [162]

Answer:

17

Step-by-step explanation:

6ft and 2 in === 74 in

4ft and 9 in === 57 in

74-57 = 17 in

5 0
3 years ago
Read 2 more answers
If a procedure meets all of the conditions of a binomial distribution except the number of trials is not​ fixed, then the geomet
morpeh [17]

Answer:

The probability is 0.0428

Step-by-step explanation:

First, let's remember that the binomial distribution is given by the formula:

P(X=k) =\left[\begin{array}{ccc}n\\k\end{array}\right] p^{k}(1-p)^{n-k} where k is the number of successes in n trials and p is the probability of success.

However, the problem tells us that when there isn't a number of trials fixed, we can use the geometric distribution and the formula for getting the first success on the xth trial becomes:

P(X=x) = p(1-p)^{x-1}\\

The problem asks us to find the probability of the first success on the 4th trial (given that the first subject to be a universal blood donor will be the fourth person selected)

Using this formula with the parameters given, we have:

p = 0.05

x = 4

Substituting these parameters in the formula and solving it, we get:

P(X=4) = 0.05(1-0.05)^{4-1}\\P(X=4) = 0.05 (0.95)^{3}\\P(X=4) = 0.05(.8573)\\P(X=4) = 0.0428

Therefore, the probability that the first subject to be a universal blood donor is the fourth person selected is 0.0428 or 4.28%

7 0
3 years ago
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