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3 years ago

AMOSC? ill comment my it down below

Mathematics

2 answers:

Alborosie3 years ago

7 0

Answer:oktrgkrdf'fddffddff

Step-by-step explanation:

sergey [27]3 years ago

3 0

Answer:

American Socalism American Miscellaneous Society Advanced Military Source Operations Course

Step-by-step explanation:

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Ama deposited her babysitting money into her savings account, which already had a

Natali5045456 [20]

Answer:

295= 210+X

Step-by-step explanation:

If she has a total of 295 dollars deposited and she had 210 before then you could just subtract 295-210 to find how much she deposited. The answer would be that she deposited 85 dollars in her savings account and the equation is listed above.

4 0

3 years ago

Write sin^2(x)*cos^2(x) as a single power of cosine, show work

WINSTONCH [101]

This is what you're looking for if I'm not mistaken
sin²x + cos²x = 1
So:
sin²x = 1 - cos²x

∴ sin²x * cos²x = (1 - cos²x) * cos²x
= cos²x.(1 - cos²x)
(= cos²x - cos⁴x)

7 0

3 years ago

I need help doing the area model

Mars2501 [29]

It is 0.4 so it should look like this

7 0

4 years ago

Solve the equation x – 5 = 0.1(x + 5) for x

AlexFokin [52]

Answer:

Step-by-step explanation:

x - 5 = 0.1(x +5)

x - 5 = 0.1x + 5*0.1

x -5 = 0.1x + 0.5 {Add 5 to both sides}

x = 0.1x + 0.5 + 5

x = 0.1x + 5.5

x -0.1x = 5.5 {subtract 0.1x from both sides}

0.9x =5.5 {Divide both sides by 0.9}

x = 5.5/0.9

x = 55/9

x = 6 1/9

5 0

3 years ago

Read 2 more answers

A cylinder has radius r and height h. A. How many times greater is the surface area of a cylinder when both dimensions are multi

Ierofanga [76]

Answer: A. Factor 2 => 4x greater

Factor 3 => 9x greater

Factor 5 => 25x greater

Step-by-step explanation: A. A cylinder is formed by 2 circles and a rectangle in the middle. That's why surface area is given by circumference of a circle, which is the length of the rectangle times height of the rectangle, i.e.:

A = 2.π.r.h

A cylinder of radius r and height h has area:

$A_{1}$ = 2πrh

If multiply both dimensions by a factor of 2:

$A_{2}$ = 2.π.2r.2h

$A_{2}$ = 8πrh

Comparing $A_{1}$ to $A_{2}$ :

$\frac{A_{2}}{A_{1}}$ = $\frac{8.\pi.rh}{2.\pi.rh}$ = 4

Doubling radius and height creates a surface area of a cylinder 4 times greater.

By factor 3:

$A_{3} = 2.\pi.3r.3h$

$A_{3} = 18.\pi.r.h$

Comparing areas:

$\frac{A_{3}}{A_{1}}$ = $\frac{18.\pi.r.h}{2.\pi.r.h}$ = 9

Multiplying by 3, gives an area 9 times bigger.

By factor 5:

$A_{5} = 2.\pi.5r.5h$

$A_{5} = 50.\pi.r.h$

Comparing:

$\frac{A_{5}}{A_{1}}$ = $\frac{50.\pi.r.h}{2.\pi.r.h}$ = 25

The new area is 25 times greater.

B. By analysing how many times greater and the factor that the dimensions are multiplied, you can notice the increase in area is factor². For example, when multiplied by a factor of 2, the new area is 4 times greater.

3 0

3 years ago