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3 years ago

Point C is graphed at (-4, -10). What is the coordinate of C' after a reflection over the y-axis .

Mathematics

2 answers:

Leto [7]3 years ago

4 0

Answer:

(4, -10)

Step-by-step explanation:

A reflection over the y-axis results in a reversing of the x-coordinate.

Respectively, a reflection over the x-axis results in a reversing of the y-coordinate

Marat540 [252]3 years ago

3 0

Answer:

4,-10

Step-by-step explanation:

Reflection Over The Y Axis Would Change The Point -4 To 4 But The Y Axis Point Wouldn't Change

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Use the shell method to find the volume of the solid generated by revolving the region bounded by the line y=x+2 and the parabol

Viktor [21]

Answer:

8 π or

25.13 unit^3 to the nearest hundredth.

Step-by-step explanation:

(A)

The height of the shell is (2 + x - x^2) and the radius is (2 - x).

V = 2π ∫(2 - x)(x + 2 - x^2) dx between the limits x = 0 and x = 2.

= 2π ∫ (2x + 4 - 2x^2 - x^2 - 2x + x^3) dx

= 2π ∫ (x^3 - 3x^2 + 4 ) dx

= 2π [ x^4/4 - x^3 + 4x ] between x = 0 and x = 2

= 2 π [4 - 8 + 8 )

= 2 π * 4

= 8π

= 25.13 unit^3 to the nearest hundredth.

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3 years ago

tap A fills a tank in 6 hours tap B fills it in 8 hours and tap C empties it in 10 hours. starting with an empty tank and all th

Alex787 [66]

Answer:

It will take 5 hours and 5 minutes to fill the tank

Step-by-step explanation:

Here, we want to get the time taken to fill the tap

Let us have the rate per hour

A fills in 6 hours; so the fraction filled in an hour is 1/6

B fills in 8 hours, so the fraction filled in an hour is 1/8

C empties in 10 hours, so the fraction removed per hour is 1/10

So factoring the supply and removal, where removal is on a negative basis

we have it that in an hour, the fraction retained is;

1/6 + 1/8 - 1/10

= (20 + 15 - 12)/120

= 23/120

So this is the fraction retained per hour

The number of hours it will take to have a whole is simply the reciprocal of this fraction

That would simply be 120/23 = 5 5/23

5 hours and 5 minutes

6 0

3 years ago

Nora must create a 4-character password to login to a website. The password must have three letters followed by a single digit,

patriot [66]

Answer:

The outcomes are {1nor} , {2nor}, {3nor}, {4nor}, {5nor}, {6nor}, {7nor}, {8nor}, {9nor}

Step-by-step explanation:

The outcomes are {1nor} , {2nor}, {3nor}, {4nor}, {5nor}, {6nor}, {7nor}, {8nor}, {9nor}

Reason-

0 can not be possible because if 0 is the first digit then , it will become the 3-digit password , not 4-digit

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2 years ago

Best tip for Maths test to figure out challenging problems

padilas [110]

First solve the easier questions which can be solved in very low time.
Drop out the harder questions for last.
After completing the easier questions take your time to complete harder ones.
Stay away from unsolvable questions

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3 years ago

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Lesechka [4]

Answer:

Step-by-step explanation:

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