find the surface area of a cylinder with a height of 9 inches and a base radius of 4 inches

Answer:

y:3

y/3:1

She can make y/3 cards in one minute

Step-by-step explanation:

Answer:

Florence would have made 1/3y card in 1 minute

Step-by-step explanation:

the the total amount is y and y is also 3 then 3 is 3 times more than 1

sorry if it doesn't make sense.

Answer:

25

Step-by-step explanation:

Answer:

[tex]x<1[/tex]

Step-by-step explanation:

subtract [tex]7[/tex] from both sides

plz mark me brainliest. :)

Answer:

x+7<8 = x= -15

Step-by-step explanation:

you welcome :)

Answer:

The area of the circle is 49π in 2

Step-by-step explanation:

none have a good day or night

Answer:

y=2x+121

Step-by-step explanation:

Answer:

[tex]y = 18 \times {7}^{x} [/tex]

Step-by-step explanation:

Using the formula for exponential function,

[tex]y = ab {}^{x} [/tex]

Let plug in 0,18.

[tex]18 = ab {}^{0} [/tex]

Using the zero power rule,

[tex]b {}^{0} = 1[/tex]

[tex]18 = a \times 1[/tex]

[tex]a = 18[/tex]

Since a equal 18 let plug in what we know so far

[tex]y = {18b}^{x} [/tex]

Now let find b.

Let use the other point, 3,6174

[tex]6174 = {18b}^{3} [/tex]

Divide 18 by both sides and we get

[tex]343 = b {}^{3} [/tex]

Take the 3rd root of 343

[tex] \sqrt[3]{343} = b = 7[/tex]

b=7

The equation is

[tex]y = 18 \times 7 {}^{x} [/tex]

Answer:

53

Step-by-step explanation:

Answer:

53

Step-by-step explanation:

one hundred take away forty seven is fifty three :)

Answer:

132::

Step-by-step explanation:

The power of g00gle <3

Answer:

A,c,d

Step-by-step explanation:

The solution is Option A.

If the volume is 47 cm³ , then the height of the cone is approximately 5 cm and volume of cone is given by ( 1/3 ) πr²h

What is a Cone?

A cone is a three-dimensional shape in geometry that narrows smoothly from a flat base (usually circular base) to a point(which forms an axis to the center of base) called the apex or vertex.

The volume of a cone is given by the equation

Volume of Cone = ( 1/3 ) πr²h

where r is the radius of the cone

h is the height of the cone

Given data ,

Let the radius of the cone be = r

Now , the value of r = 3 cm

So , the equation will be

The volume of the cone is given by the formula ,

Volume of Cone = ( 1/3 ) πr²h

where r is the radius of the cone

h is the height of the cone

a)

If the volume is 47 cm³, then the height of the cone is approximately 5 cm

So , substitute the values in the equation , we get

Volume of Cone = 47 cm³

So ,

( 1/3 ) πr²h = 47 cm³

Radius of cone r = 3 cm

Height of cone h = 5 cm

( 1/3 ) πr²h = 47 cm³

( 1/3 ) x 3.14 x 3 x 3 x 5 = 47

3.14 x 15 = 47

47 = 47

Therefore , the solution is true

Hence , If the volume is 47 cm³, then the height of the cone is approximately 5 cm and the volume of cone is given by ( 1/3 ) πr²h

To learn more about cone click :

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Two numbers are 7 and -9, so their product is -63 and sum is -2.

An equation is a mathematical statement that shows that two mathematical expressions are equal.

Let two numbers are x and y

Given,

The multiplication of 2 numbers is -63

[tex]x\times y =-63[/tex]

The addition of 2 numbers is -2

[tex]x+y =-2[/tex]

[tex]x=-2-y[/tex]

On substituting x in [tex]x\times y =-63[/tex]

[tex](-2-y)y=-63[/tex]

[tex]-2y-y^2=-63[/tex]

[tex]y^{2} +2y-63=0[/tex]

[tex](y-7)(y+9)=0[/tex]

[tex]y=7\\y=-9[/tex]

[tex]x=-2-y\\[/tex]

At y=7

x=-9

At x=-9

y=7

Thus, two numbers are 7 and -9

Learn more about equation, here:

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Answer:

-1/8

Step-by-step explanation:

5

8

+

3

4

−

2

3

−

5

6

Answer:  -1/8 hope this helps

Answer:

x^(2) + 14 x + 49

Step-by-step explanation:

Answer:

3 horses and 4 ducks

Step-by-step explanation:

let h be the no. of horses and d be the no. of ducks

h+d=7

d=7-h

Since horses have 4 legs and ducks have 2 legs,

4h+2d=20

4h+2(7-h)=20

4h+14-2h=20

2h=6

h=3

d=4

Answer:

the answer is (n+2) (n+5)

Step-by-step explanation:

Factor n^2 + 7n + 10 using the AC method.

Answer:

its 43

Step-by-step explanation:

Answer:

I believe it's B

Step-by-step explanation:

Given:

Cost of a jacket = $20

Then sells it to customers for 80% more than.

To find:

The selling price of the jacket

Solution:

We have,

Cost of a jacket = $20

Selling price = cost + 80% of cost

                     = [tex]20+\dfrac{80}{100}\times 20[/tex]

                     = [tex]20+\dfrac{8}{1}\times 2[/tex]

                     = [tex]20+16[/tex]

                     = [tex]36[/tex]

Therefore, the selling price of the jacket is $20.

Answer:

50 cm

Step-by-step explanation:

Let

x = number of months

Emma = 10 + 2x

Alice = 30 + x

Equate the equation of both girls

10 + 2x = 30 + x

10 - 30 = x - 2x

-20 = - x

x = 20

How long will their hair be?

Emma = 10 + 2x

= 10 + 2(20)

= 10 + 40

= 50cm

Alice = 30 + x

= 30 + 20

= 50 cm

Answer:

1.67????

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

All you have to do is 14 - 6 = ?

Answer:

x+6=14

Step-by-step explanation:

Let x stand for Micahs age

14 is rauls age

subtract 6 from 14 to get micahs age

Answer:

1

Step-by-step explanation:

Answer:

7 quarters, 8 nickels

Step-by-step explanation:

So the system of equations you have is:

x + y = 15

0.25x + 0.05y = 2.15

Here's how to solve:

first, multiply both sides of the equation 0.25x + 0.05y = 2.15 by 100 to get rid of the decimal places:

25x + 5y = 215

Then, you can divide both sides by 5 to simplify it more:

5x + y = 43

Now, you have the system of equations:

5x + y = 43

x + y = 15

Now subtract the two equations:

4x = 28

divide both sides by 4

x = 7

plug x = 7 into the equation x + y = 15 to solve for y:

7 + y = 15

subtract 7 from both sides

y = 8

So you know that there are 7 quarters and 8 nickels.

Answer:

John and his 3 friends decide to order food. The cost of one box of food is $x. If each boy purchases one box of food, what is the total cost? *

Answer:

Step-by-step explanation:

You are correct. It's 8/5

Answer:

your answer is correct

Step-by-step explanation:

Answer:

Step-by-step explanation:

43/100 or  43%

Answer:

2. 2 and 5/10

Step-by-step explanation:

5 and 3/10 - 2 and 4/5 —> 4 and 13/10 - 2 and 8/10 = 2 and 5/10

Answer:

there is no pic

Step-by-step explanation:

edit your question with a pic

Answer:

y=32

Step-by-step explanation:

y=3(8)+8

y=24+8

24+8=32

y=32

Answer:

32

Step-by-step explanation:

you sub in 8 for x and solve

3(8) + 8

24+8= 32

1!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!