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Maurinko [17]
2 years ago
6

Please help me!! ill mark you brainliest. please actually answer all of em.

Mathematics
2 answers:
Lostsunrise [7]2 years ago
5 0

Answer:

1-a

2-a

3-b

Step-by-step explanation:

hope that helps

Dmitriy789 [7]2 years ago
4 0
A
A
B

................
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A candy company claims that 25% of the candies in its bags are colored green. Steve buys 32 bags of 32 candies, randomly selects
Luden [163]

Answer:

45.88%

Step-by-step explanation:

We have in this case a binomial distribution when p = 0.25, since the probability is 25%

. The formula that we will use in excel is BINOM.DIST, separated by commas we must put the value of x, n, p and also if it is true or false. We know that n equals 32.

In this case we need to know when x = 7, 8 and 9 and add this, and thus we will obtain the probability:

P (X = 7) + P (X = 8) + P (X = 9)

Excel formulas: = BINOM.DIST (7,32,0.25, FALSE) + BINOM.DIST (8,32,0.25, FALSE) + BINOM.DIST (9,32,0.25, FALSE)

P = 0.1546 + 0.1610 + 0.1431

P = 0.4588

Probability that steve agrees with the company's claim 45.88%

4 0
3 years ago
You want to save $4,500 to buy an above-ground swimming pool. You deposit $3,750 in an account earning 5.5% simple interest. Aft
Arlecino [84]
Assuming the price of the pool does not change, then
Additional interest required is 4500-3750=750
using
I=Pit, we set up equation
750=3750*0.055*t
Solve for t
t=750/(3750*0.055)=3.64  years.
So will need to wait 3.64 years, or rounded up to 4 years.

8 0
3 years ago
-2(x-2)=14 what is x?
ryzh [129]
X is equal to 5 because 2x+4=14
7 0
3 years ago
Read 2 more answers
1. To participate in a school trip, Kim had to earn $85 in one week. Kim could earn $8 per
vodka [1.7K]
It has given you that to earn $85 in one week. Kim could earn $8 per hour babysitting and $15 per hour for yard work with work time limited to 8 hours per week. Now we have to represent the variable X is the numbers of hours spent doing babysitting in the week. And Y represents the number of hours spent doing yard work in the week. The equation representing the condition on the total number of hours to be worked is: x+y= 8. The equation relating the number of hours working at each job toward the fund- raising goal is: 8x+ 15y= 85 and your final answer should be x= 5
6 0
3 years ago
Factor the trinomial below.
ivann1987 [24]
Answer: Choice C. (x-7)(x-8)

-------------------------------------------------------

Find two numbers that...
* Multiply to 56 (last term)
* Add to -15 (middle coefficient)

Those two numbers are -7 and -8. So that's why x^2-15x+56 factors to (x-7)(x-8)
6 0
3 years ago
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