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2 years ago

Why is it 1- a quarter

Mathematics

1 answer:

spayn [35]2 years ago

6 0

Answer:

1/4

Step-by-step explanation:

One quarter is 0.25 or 1/4 in fraction form. It is also said as one fourth.

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A number x decreased by 3 is 5

zysi [14]

Answer:

Step-by-step explanation:

x - 3 = 5

x = 5 + 3

x = 8

Therefore, the number is 8.

5 0

2 years ago

PLZ I NEED HELP WITH THIS QUESTIOn

lesya692 [45]

Answer:

12 units

Step-by-step explanation:

there are 3 sqaures counted from (0,0) to (3,0)

so do 3 + 3 + 3+ 3 and get 12 units

if brainiest is earned its greatly Appreciated

5 0

3 years ago

Read 2 more answers

If Karri takes a 7 question true false test and guess on every question, what is the

dusya [7]

Answer:

The probability that she gets all 7 questions correct is 0.0078.

Step-by-step explanation:

We are given that Karri takes a 7 question true-false test and guess on every question.

The above situation can be represented through binomial distribution;

$P(X = r) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r} ; x = 0,1,2,3,........$

where, n = number of samples (trials) taken = 7 question

r = number of success = all 7 questions correct

p = probability of success which in our question is probability that

question is correct, i.e. p = 50%

Let X = Number of question that are correct

So, X ~ Binom(n = 7, p = 0.50)

Now, the probability that she gets all 7 questions correct is given by = P(X = 7)

P(X = 7) = $\binom{7}{7} \times 0.50^{7} \times (1-0.50)^{7-7}$

= $1 \times 0.50^{7} \times 0.50^{0}$

= 0.0078

6 0

3 years ago

HELLPPPP NEED ThIS DONE IN ! MIn WHATS 1+1 a.4 b.1 C.6 D.3

trapecia [35]

Answer:

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

53- (-32) what is the answer?

shutvik [7]

Answer:

Step-by-step explanation:

Here is a tip: When you have something that looks like this - ( - , turn it into a plus sign. It looks kind of like a plus sign anyway. So if you have 53- (-32), turn it into 53 + 32. Does that make sense?

So 53 + 32 = 85.

Another tip to do it in your head, is to do 50 + 30 = 80, then do 3 + 2 = 5, and add them. It's easier than trying to juggle the odd numbers. :)

3 0

3 years ago