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3 years ago

Complete the statements about the cone,

Mathematics

2 answers:

Jet001 [13]3 years ago

8 0

Answer:6 units

8 units

128 cubic units

Step-by-step explanation:

Bezzdna [24]3 years ago

5 0

Answer:

show a picture please

Step-by-step explanation:

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What’s 2/12 in its simplest form

guajiro [1.7K]

Answer: 1/6

Step-by-step explanation: You have to brake down the two, dividing it by 2, which equals to 1. Then, divide the 12 by the same amount as you divide the 2, which is 6. Here you go.

6 0

3 years ago

Read 2 more answers

A car race lasted 2.07 hours How many seconds did the race last ? If necessary round your answers to the nearest tenth of a seco

Citrus2011 [14]

1244 i the answer because 2.07 * 60 =1244

7 0

3 years ago

11. Find the sum of the arithmetic series. overset [22] underset{k=1}\huge{Sigma) (-4k - 13) =

sergiy2304 [10]

Answer:

okay, we need to add up for all k=1 till k=22

we could do it like this

(-4*1 -13) + (-4*2 -13) + (-4*3 -13) + ...

but this is long and boring, so we need another valid, yet vastly faster method to calculate this sum

we know that the "-13" part will occur 22 times, so let's write this component as "-13*22"

the -4k gents bigger with each step, k will take all the natural numbers from 1 to 22

so we could write

"-4 * (1+2+3+4+5+6+7...+21+22l

alot simpler and faster, but not fast enough

let's add up all numbers from 1 to 22 into one number

1 + 22 = 23

2 + 21 = 23

3 + 20 = 23

...

this works eleven times (bc we use up 2 numbers in each step), so the numbers from 1 to 22 added up are just

23*11= 230+23 = 252

now let's construct the final calculation

-4 * 252 -13*22 = -1294

there's your sum.

hope it helps you overall.

brainliest would be very kind ic some else leaves an answer, may it be just a greeting

4 0

3 years ago

What is (5.6*10^6)-340,000

KiRa [710]

Answer:

5260000

Step-by-step explanation:

3 0

3 years ago

1. A point on the ground is 50 feet from my house. The angle of elevation to the top of the house is 48 Find the height of the h

Georgia [21]

Answer:

(1)55.5 feet

(2)7.5 feet

Step-by-step explanation:

Question 1

The diagram is attached below.

Using Trigonometric ratio

$\tan 48^\circ = \dfrac{h}{50} \\h=50 \times \tan 48^\circ\\h=55.5$ feet (to the nearest tenth)$

The height of the house is 55.5 feet to the nearest tenth.

Question 2

In the diagram, we are required to find the distance the bird must fly to be directly above the fish. This has been represented by x.

Using Trigonometric ratio

$\tan 15^\circ = \dfrac{2}{x} \\x \tan 15^\circ=2\\x=2 \div \tan 15^\circ\\x=7.5 $ feet (to the nearest tenth)$

The distance the bird must fly to be directly above the fish is 7.5 feet.

6 0

4 years ago