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Alexandra [31]
3 years ago
7

Please help i wasn’t taught this

Mathematics
1 answer:
GenaCL600 [577]3 years ago
5 0

Answer:

Step-by-step explanation:

B

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At Darren's Hats, there are 42 baseball caps and 14 other hats. what percentage of the hats are baseball caps?
emmainna [20.7K]

Answer:

Step-by-step explanation:

calculate the total

42+ 14 = 56

42/56 = x/100

4200 / 56x = 75

the answer is 75%

3 0
2 years ago
Lim x->pi/3 ((2cosx-1)/(tan^2x-3))
beks73 [17]

You can check that the limit comes in an undefined form:

\displaystyle \lim_{x\to\frac{\pi}{3}} \frac{2\cos(x)-1}{\tan^2(x)-3}=\dfrac{0}{0}

In these cases, we can use de l'Hospital rule, and evaluate the limit of the ratio of the derivatives. We have:

\dfrac{\text{d}}{\text{d}x}2\cos(x)-1 = -2\sin(x)

and

\dfrac{\text{d}}{\text{d}x}\tan^2(x)-3 = 2\dfrac{\tan(x)}{\cos^2(x)}=\dfrac{2\sin(x)}{\cos^3(x)}

So, we have

\displaystyle \lim_{x\to\frac{\pi}{3}} \frac{2\cos(x)-1}{\tan^2(x)-3}=\lim_{x\to\frac{\pi}{3}} \dfrac{-2\sin(x)}{\frac{2\sin(x)}{\cos^3(x)}}=\lim_{x\to\frac{\pi}{3}}-\cos^3(x)=-\cos^3\left(\dfrac{\pi}{3}\right)

6 0
3 years ago
The volume of a cone is 763.02. the radius and height of the cone are equal. What is the radius of the cone?
LUCKY_DIMON [66]

Answer:

The radius of the cone is 9cm

Step-by-step explanation:

This problem bothers on the mensuration of solid shapes, a cone

The volume of a cone is expressed as

V=1/3(πr²h)

We were told that the radius r and the height h are equal

I.e r=h

Substituting h=r in the formula we have

V= 1/3(πr²*r)

V =1/3(πr³)

To find the radius r let us substitute our given 763.02cm³ (note we assume unit in cm)

763.02= 1/3(3.142r³)

763.02= (3.142r³)/3

763.02*3=3.142r³

2289.06=3.142r³

r³=2289.06/3.142

r³= 728.54

r= ³√728.54

r= 8.99cm

≈r= 9cm

3 0
3 years ago
2.
alukav5142 [94]

The area of the rectangular garden given the length and width is 16 1/2 square feet

<h3> Area of the garden</h3><h3 />
  • Length = 5 1/2 feet
  • Width = 3 feet

Area of a rectangular garden = length × width

= 5 1/2 feet × 3 feet

= 11/2 × 3

= 33/2

= 16 1/2 square feet

Learn more about area:

brainly.com/question/8409681

#SPJ1

5 0
2 years ago
Ms. Phillips ordered 56 pizzas for a school tundraiser. Of the pizzas ordered, of them were pepperoni, 19 were cheese, and the r
Alex

Answer:

How many of them were pepperoni?? I cant answer if information is missing...

4 0
3 years ago
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