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Readme [11.4K]
2 years ago
13

[tex]40-23\frac{6}{7}

Mathematics
2 answers:
pshichka [43]2 years ago
5 0

Answer:

Step-by-step explanation:

40 minus 23 and six-sevenths

A. 17 and one-seventh

B. 17 and six-sevenths

C. 16 and one-seventh

D. 16 and six-sevenths

adelina 88 [10]2 years ago
3 0

Answer:

<h3>What kind of questions is thisss so what's the point0385729484 </h3>
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I have four factors 3 of my factors are 1,2,and 6 what is my fourth factor
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2 multiplied by 6 is 12 and so 1 multiplied by something is 12
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The director of the library believes that 14% of the library's collection is checked out. If the director is right, what is the
Ksivusya [100]

Answer: 0.2643

Step-by-step explanation:

Let p be the population proportion and \hat{p} be the sample proportion .

As per given question , we have

p=0.14\\\\ \hat{p}=0.13\\\\ n=478

z-score : \dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

z=\dfrac{0.13-0.14}{\sqrt{\dfrac{0.14(1-0.14)}{478}}}\\\\=-0.630087269176\approx-0.63

The required probability ( using z-table ):-

P(z

Hence, the probability that the proportion of books checked out in a sample of 478 books would be less than 13% = 0.2643

5 0
3 years ago
A pyramid with a slant height 4.6 in whose triangular base measures 8 in on each side.Each altitude of the base measures of 6.9
kvasek [131]

Answer:

82.8 in²

Step-by-step explanation:

The surface area a triangular based pyramid :

Base area + 1/2(perimeter * slant height)

Base = 8 inches ; Slant height = 4.6 inches ; altitude of base measure = 6.9 inches

Base area of triangle :

1/2 * base * height

1/2 * 8 * 6.9

4 * 6.9

Base area = 27.6 in²

The perimeter, P = sum of sides ; (s1 + s2 + s3

P = 8 + 8 + 8 = 24 in

Hence,

Surface area = 27.6 in² + 1/2(24*4.6)

Surface area = 27.6 in² + (12 * 4.6) in²

Surface area = (27.6 + 55.2)

Surface area = 82.8 in²

6 0
3 years ago
A ____________ has no dimension and is represented by a small dot.
monitta

Answer:

Point

Step-by-step explanation:

If you are referring to geometry

7 0
3 years ago
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