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Brut [27]
4 years ago
14

Triangle JKL was dilated using the rule . The image, triangle J'K'L', is the result of the dilation.

Mathematics
2 answers:
Kobotan [32]4 years ago
7 0

Answer:

5 units

Step-by-step explanation:

egoroff_w [7]4 years ago
5 0

5 units is L'L ( I took the quiz and got it right)

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You have a wire that is 89 cm long. You wish to cut it into two pieces. One piece will be bent into the shape of a square. The o
Ivahew [28]

assume the square side = x, then its circumference = 4x

so the circle circumference would be 89 - 4x which equals 2pi r

so x = 1/4 (89 - 2pi r)

now A(r) = x^2 + pi r^2

= [1/4 (89 - 2pi r)]^2 + pi r^2

diff. w.r.to r u get:

dA/dr = 1/8 (89-2 pi r)(-2 pi) + 2 pi r = 0

2pi r - pi/4 (89-2 pi r) = 0

2r - (89 - 2 pi r)/4 = 0

2r + pi r /2 = 89/4

mult. the eqn by 4 and solve for r u get:

r = 89 / (8 + 2pi) cm

and the circle circumference = 2 pi r = 2 pi 89 / (8 + 2pi)

= 178 pi / (8 + 2pi) = 89 pi /(4 + pi) cm

hope this helps

7 0
3 years ago
Work out the mean for data set below 3.2,5.4,4.3,3.7,5.9
lidiya [134]
The mean would be 4.5. This is because you add up all the numbers which equals 22.5. Then divide by 5 since there is 5 numbers in the set. So the answer comes out to be 4.5.
3 0
3 years ago
A. A new restaurant owner purchased ads
GalinKa [24]
It could prob be 385
3 0
3 years ago
Factor the trinomial x^2 - 7x + 10
Valentin [98]

Answer:

(x-5) (x-2)

Step-by-step explanation:

x^2 (-2x-5x) +10

basically you will write the equation down and then to double check multiply the x and then the -5 into (x-2). this can be repetitive if you get it wrong so try to do numbers that make sense.

7 0
4 years ago
For Elizabeth's lemonade recipe, 4 lemons are required to make 2 cups of lemonade. At what rate are lemons being used in cups of
Scorpion4ik [409]

Answer:

2 lemons per cup

Step-by-step explanation:

4/2 is two.

6 0
3 years ago
Read 2 more answers
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