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Phantasy [73]
3 years ago
5

Would It be unusual if a random sample of 400 adults results in 156 or more having no credit cards

Mathematics
1 answer:
vesna_86 [32]3 years ago
5 0

Answer:

Yes, in places like the US, UK and other bigger areas

No, in like Africa and poorer areas

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Can anybody solve this for me​
Helga [31]

Step-by-step explanation:

Square root of 25 can be +5 or -5

Square root of 16 can be +4 or -4.

As -5 can be square root of 25 and +4 can be a root of 16 , -5 < +4 . That's why square root of 25 could be less than square root of 16.

5 0
3 years ago
Each table at a restaurant has six chairs placed around it.
Romashka-Z-Leto [24]

Answer:

4/24

Choice B is correct

Step-by-step explanation:

From the information given, there is 1 table for every 6 chairs at the restaurant. In ratio form this can be expressed as;

1:6

The ratio that is equivalent to this given ratio is 4/24. This can easily be checked through simplification of this ratio;

4/24; If we divide both the numerator and the denominator by 4 we obtain

1/6 which is equivalent to 1:6

3 0
3 years ago
In a class of 20 students ,40% are boys.25% of theboys and 50% of the girls were glasses.how many students were glassses. show w
Mice21 [21]
40% of 20 is 8 Boys
60% of 20 is 12 Girls
50% of the Girls is 6
25% of the Boys is 2
6 + 2 = 8 Students wore glasses

Hope this helps!
4 0
3 years ago
10. Which of the following is true about the graph of the given inequality?
frez [133]

Answer:

C I think

Step-by-step explanation:

4 0
3 years ago
Find the arc length of the semicircle. 7the grade
charle [14.2K]

so, is a semi-circle, half a circle, recall a circle has a total of 360°, so half of that will be 180°.

the diameter of that circle is 10, so its radius is half that, or 5.


\bf \textit{arc's length}\\\\ s=\cfrac{\theta \pi r}{180}~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ \theta =180\\ r=5 \end{cases}\implies s=\cfrac{(180)(\pi )(5)}{180}\implies s=5\pi \stackrel{\pi =3.14}{\implies s=15.7}

3 0
3 years ago
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