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3 years ago

Help and please do not report I got an practice thing from my tutor, so it's not a quiz.

Mathematics

1 answer:

AfilCa [17]3 years ago

6 0

Answer:

The answer is D. II 1 > -2 and III -2< 1 Hopefully this is helpful!

Step-by-step explanation:

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In a survey of 3450 registered voters who reside in California, 1789 were found to be republican. Construct a confidence estimat

Lina20 [59]

Sample size, N = 3450
Point estimate of republican, p = 1789/3450 = 0.5186 = 51.86%
Z = 1.96 at 95% confidence level

Now,
True percentage of republican residing in California = p +/- Z*Sqrt [p91-p)/N] = 0.5186+/- 1.96* Sqrt [0.5186(1-0.5186)/3450] = 0.5186+/-0.017 = (0.5016,0.5356) = (50.16%,53.56%).

8 0

3 years ago

What is the exact volume of a cylinder whose radius is 13 meters and whose height is 20 meters? Enter your answer, in terms of π

ddd [48]

Hello!

The equation to find the volume of a cylinder is

$V = \pi r^{2} h$

V is volume
r is radius
h is height

Put in the values you know

$V = \pi 13^{2} * 20$

Square the number

$V = \pi 169 * 20$

Multiply

$V = 3380 \pi$

The answer is $3380 \pi$

Hope this helps!

5 0

3 years ago

Plz help

astraxan [27]

Cost of dried fruit per pound=2.5 $/pound
cost of nuts per pound =2 $/pound
total cost=225$ =cost of dried fruit +total cost of nuts
To find the cost of dried fruit we need to multiply cost of dried fruit per pound and the number of bounds hence 2.5 x where x is the number of bounds
which is the total cost of dried fruit and consequently 2y is total cost of nuts where y is the weight of nuts in pound

6 0

3 years ago

Is AB parallel to CD?

Katen [24]

You have to evaluate the slopes of these lines. For line AB you have a slope of
$\frac{1 - ( - 3)}{0 - ( - 3)} = \frac{4}{3}$
For line CD you have a slope of
$\frac{ - 1 - ( - 5)}{3 - 0} = \frac{4}{3}$
Because the slopes are equal and the two lines are not one and the same, they are parallel.

6 0

3 years ago

What is the measure of angle x?<br> 37<br> Enter your answer in the box<br> 82<br> m3 =

Lana71 [14]

Answer:

Step-by-step explanation:

we kno that a triangle is 180 degrees so we just add the first two angles

37 + 82 = 119

then subtract that from 180

180 - 119 = 61

so x = 61 degrees

lmk if this wrong and ill fix it

hope this helps <3

8 0

3 years ago