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3 years ago

What are the coordinates of R'? OR'(4-1) OR'(-4,1) OR (1.4) OR'(-1,-4)

Mathematics

1 answer:

Lynna [10]3 years ago

5 0

Answer:

OR' (-4,1)

Step-by-step explanation:

Answer is OR' (-4,1)

Hope it helps!

Please mark as brainliest and thanks!

Byeee!

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Suppose you are offered just one slice from a round pizza (in other words, a sector of a circle). The slice must have a perimete

schepotkina [342]

The answer is diameter: 32 in, area: 64 in²

The perimeter of a sector of a circle is:
P = 2r + l
l = rθ
P = 2r + rθ

P = 32 in
32 = 2r + rθ
32 - 2r = rθ
θ = (32 - 2r)/r
θ = (2*16 - 2*r)/r
θ = 2(16 - r)/r

Area of the sector of the circle is:
A = r²/2 * θ
A = r²/2 * 2(16 - r)/r
A = r² * (16 - r)/r
A = r(16 - r)
A = 16r - r²

For the maximum area:
A' = 16 - 2r
A' = 0
16 - 2r = 0
16 = 2r
r = 8 in

The diameter (D) of the circle is twice of the radius:
D = 2r = 2 * 8 = 16 in

The maximum area is:
A = 16r - r²
r = 8 in
A = 16 * 8 - 8²
A = 128 - 64
A = 64 in²

7 0

3 years ago

A plumber had a pipe that was 2 yards long. He cut 18 inches off the end of the pipe. How many feet long was the pipe after the

GaryK [48]

2 yards = 6 feet
6 feet - 1.5 feet = 4.5 feet
The pipe was 4.5 feet long after being cut.

8 0

3 years ago

What is the largest number you can form from the numbers $2,5,8,9,10$ and the operations $\times,+,+,-$, and exactly one pair of

Levart [38]

Answer:

The largest number is 218.

Step-by-step explanation:

The given numbers are 2,5,8,9,10, given operations are ×,+,+,- and exactly one pair of parentheses.

We need to find the largest number which can be form by using given information.

We know that multiplication of two lager numbers is greater than their addition.

We need to multiply 10 and sum of 9,8,5. To get the largest number we have subtract the smallest number.

So, the largest possible number is defined by the expression

$10\times (9+8+5)-2$

$10\times (22)-2$

$220-2$

$218$

Therefore, the largest number is 218.

6 0

3 years ago

At the supermarket Pryslide, 500ml bottles of shower gel cost $7 each. However, since the beginning of last week there has been

max2010maxim [7]

Answer:

I strongly believe that the question requires us to calculate the cost of one 500ml bottle of shower gel based on this special offer of buy 2 bottles get another for just $2.

The correct answer is $5.33

Step-by-step explanation:

From a buyer's point of view,a 500ml bottle of shower gel cost is the $7 multiplied by 2 bottles plus $2 multiplied by 1 bottle all divided by 3 bottles.

The rationale for the denominator is that the total number of bottles bought would then equal 3 bottles .

Cost per bottle =($7*2)+($2*1)/3=$16/3=$5.33

Instead of a bottle costing $7,under the special arrangement a bottle would simply cost $5.33

7 0

4 years ago

Capacity planning answers the question "__________"

Greeley [361]

Answer:

How to be more efficient and how to pay for a project.

Hope it helps!

Step-by-step explanation:

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3 years ago