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Airida [17]
2 years ago
7

Find cos 0 , help asap

Mathematics
1 answer:
insens350 [35]2 years ago
3 0

D.

Step-by-step explanation:

because cos0 = b/h

so cos0 = 8/15

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Find the volume of a cone with radius 4 inches and height 5 inches. Round your answer to two decimal places
faltersainse [42]

Answer:

Volume of the cone = 83.73 cubic inches

Step-by-step explanation:

Given:

          Radius of the cone= 4 inches

           Height of the cone= 5 inches

Volume of a cone(V) :  

                                     \pi *r^2*\frac{h}{3}

Putting the given values in the formula:

               Volume of the cone:

                                3.14*4*4*\frac{5 }{3}                                           :\pi =\frac{22}{7} =3.14

                                 16*3.14*\frac{5}{3}

                                 83.73  cubic inches

So, the volume of the cone up to two decimal places is 83.73  cubic inches

3 0
3 years ago
Amalia and Alec are studying the growth of a plant over time. They measure the height of the plant at the end of each week for s
EleoNora [17]

After 7 weeks the plant will 11.25 units tall if the equation for the best-fit line to be y = 2.5 + 1.25x.

<h3>What is the line of best fit?</h3>

A mathematical notion called the line of the best fit connects points spread throughout a graph. It's a type of linear regression that uses scatter data to figure out the best way to define the dots' relationship.

\rm m = \dfrac{n\sum xy-\sum x \sum y}{n\sum x^2 - (\sum x)^2} \\\\\rm c = \dfrac{\sum y -m \sum x}{n}

We have a line of best fit:

y = 2.5 + 1.25x

Plug x = 7 weeks

y = 2.5 + 1.25(7)

y = 11.25 units

Thus, after 7 weeks the plant will 11.25 units tall if the equation for the best-fit line to be y = 2.5 + 1.25x.

Learn more about the line of best fit here:

brainly.com/question/14279419

#SPJ1

3 0
3 years ago
Question is download
klemol [59]

The value of the digit in the tenth place is <u>10 times</u> as much as the digit in the hundredth place.

<h3>What is a digit?</h3>

A digit is a symbol used to construct numerals from 0 to 9, used to represent numbers.

We use the numerals such as 0, 1, 2, 3,4, 5,6,7,8, and 9 to form digits that represent a combination of numbers and do arithmetic operations.

All numerals are made up of the ten digits listed above.

Thus, we can conclude that the value of the digit in the tenth place is <u>10 times</u> as much as the digit in the hundredth place.

Learn more about digits at brainly.com/question/26856218

#SPJ1

4 0
2 years ago
Pls helppp
Dahasolnce [82]

Answer:

True

Step-by-step explanation:

The points (2,3) and (2,-6) are undefinable because it makes a vertical line. The slope cannot be defined.

4 0
3 years ago
gina writes 2 pages per hour write an equation that shows the relationship between the hours spent writing x and the total pages
mart [117]

Answer:

y=2x

Step-by-step explanation:

6 0
3 years ago
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