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Anna [14]
3 years ago
8

What is 3 1/4 - 4 1/2????

Mathematics
2 answers:
nlexa [21]3 years ago
7 0

you have to make sure that they have the same denominator so

31/4 -4 2/4

= - 1 1/4

hope this helped you hon


andre [41]3 years ago
4 0

3 1/4 - 4 1/2

Make sure they share a same denominator:

3 1/4- 4 2/4

13/4-18/4

=-5/4

= -1 1/4

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A company surveyed 2,600 North American airline passengers and reported that approximately 75% said that they carry a smartphone
geniusboy [140]

The probability that exactly six out of ten carry a smartphone when travelling is; <u><em>P(6) = 0.146</em></u>

The missing part of the question is;

The probability distribution of x is the binomial distribution with n = 10 and p = 0.75.

Calculate P(6)

  • This is a binomial <em>probability distribution</em> problem that has a general formula as; P(x) = ⁿCₓ × pˣ × q⁽ⁿ ⁻ ˣ⁾

Where;

p is probability of success

q is probability of failure

n is number of experiments

In this question;

n = 10

p = 75% = 0.75

q = 1 - p

q = 1 - 0.75

q = 0.25

Since six passengers are randomly selected, then applying the formula earlier quoted, we have;

P(6) = ¹⁰C₆ × 0.75⁶ × 0.25⁽¹⁰ ⁻ ⁶⁾

P(6) = 0.146

Read more at; brainly.com/question/24239758

4 0
3 years ago
Emma has some money. She spends 2/3 of her money on clothes. She spends some more money on school supplies. Which number is a re
Jlenok [28]
$2.00 cause imagine she has 6 dollar 2/3 is 4.00 so it's 2.00
8 0
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Suppose an isosceles triangle ABC has A = 45° and b = c = 4. What is the length of a^2?
Mila [183]
Since b = c, the angles B and C are congruent.
180 - 45 = 135
135/2 = =67.5

A = 45
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Since we know two sides and all three angles, we can use the law of sines to find a.

b/sin B = a/sin A

4/(sin 67.5) = a/(sin 45)

a = 4(sin 45)/(sin 67.5)

a^2 = (4(sin 45)/(sin 67.5))^2

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Answer:

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Step-by-step explanation:

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Can you help me please ​
stellarik [79]

Answer:

sine 23 = x/21

Multiply both sides by 21

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Now, use a calculator and find the answer of the 21 times the sine of 23:

x = -17.7706284876

8 0
3 years ago
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