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3 years ago

Please help i dont know if it is a or c

Mathematics

2 answers:

Ber [7]3 years ago

6 0

It’s c! Start from the x axis which is 2. The find 3 on the y axis and you get (2,3)

zepelin [54]3 years ago

4 0

Answer:

it c

Step-by-step explanation:

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If a triangular cross-section with coordinates at (1, 1), (1, 4), and (3, 1) is rotated about the line x = 1, what will be the r

Alik [6]

Answer:

The resulting three-dimensional object will be a cone

Step-by-step explanation:

Plot the figure to better understand the problem'

we have

a triangular cross-section with coordinates at (1, 1), (1, 4), and (3, 1)

The draw in the attached figure

we know that

When rotating a a right triangle about a leg, the three dimensional figure formed is a cone

The radius of the cone will be equal to the base of right triangle and the height of the cone will be equal to the height of the triangle

The radius of the cone will be equal to 2 units and the height of the cone will be 3 units

see the attached figure to better understand the problem

5 0

3 years ago

Read 2 more answers

A house wife forgot her bank'Atm pin'which is a four digit number,but luckily she remembered some hints on how to recall this 'p

Liono4ka [1.6K]

Answer:

4829

Step-by-step explanation:

If the first digit is half of the second, that means the second is 2 times the first

So let's solve this algebraically...

The first digit could be called <em>a</em>

The second digit would have to be 2 times a (2a)

We can call the 3rd digit b

Since the sum of the second and third digit is 10, the equation would be this..

2x + b = 10, which is the same as b = 10 - 2x

The fourth digit is this equation

2x + 1

So the four digits are...

x, 2x, 10-2x, 2x+1

They are all equal to 23, which means...

x + 2x + 10-2x + 2x +1 = 23

After simplifying...

3x + 11 = 23

3x = 23 - 11

Which means...

3x = 12, x = 4

After you plug all that back into the prior equation you should get

first digit = 4 second digit = 8 third digit = 2 fourth digit = 9

Thank me later :)

(or just mark brainliest)

6 0

3 years ago

#13 please help solve this

rusak2 [61]

Answer:

The change in the total cost for each book printed is $10

The cost to get started is $1250

Step-by-step explanation:

In the linear equation y = m x + b, where

m is the rate of change per unit
b is the initial amount (value y at x = 0)

∵ y represents the total cost of publishing a book in dollars

∵ x represents the number of copies of the book printed

∵ y = 1250 + 10 x

- Compare it with the linear equation y = m x + b

∴ m = 10

∴ b = 1250

∵ m = Δy/Δx

- That means m is the change in the total cost per book

∴ The change in the total cost for each book printed is $10

∵ b is value y at x = 0

- That means b is the cost to get started before print any book)

∴ The cost to get started is $1250

5 0

3 years ago

An article is marked to sell at profit of 16%. if it is sold for rs 62.50 less ,t

Anettt [7]

Answer:

the price is 250

Step-by-step explanation:

let cp be x.

the marked price is 116x/100=1.16x.

25x/100=6250/100

x=250

6 0

3 years ago

When Malkia buys a bicycle, she must pay the price plus tax. The city sales tax rate is 0.2 times the state sales tax rate. If t

Oxana [17]

Answer:

The city sale tax rate is 0.016

Step-by-step explanation:

Hi, to calculate the city tax rate we simply have to multiply the state sales tax rate (0.08) by 0.2 (because city sales tax rate is 0.2 times the state sales tax rate.)

Mathematically speaking:

0.08 x 0.2 = 0.016

So, the city sale tax rate is 0.016

Feel free to ask for more if needed or if you did not understand something.

5 0

3 years ago

Read 2 more answers