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pishuonlain [190]
3 years ago
10

Quiz Instructions

Mathematics
1 answer:
bazaltina [42]3 years ago
7 0
I believe it would be dilated by 3/4

If you think of a rectangle, let’s say it is 8 by 4, the perimeter of this rectangle would be 24.

Now if you dilate the side values, you get 6 by 3 and the perimeter equals 18

So you then get 18/24 which is equal to 3/4

Hope this is right and makes sense! Have a good day!

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Find the values of x and y if (2x + y, 2) = (1, x - y). ​
m_a_m_a [10]

Answer:

We have, 2x+y=3 .......(1)

xy=1....(2)

In equation (2), we get

y=

x

1

..........(3)

y put in the equation (1)

2x+

x

1

=3

2x

2

+1=3x

2x

2

−3x+1=0

2x

2

−3x−1x+1=0

2x(x−1)−1(x−1)=0

x=1, x=

2

1

We take the value of x=1

x value put in equation (1)

2(1)+y=3

y=3−2

y=1

x=1

x and y value put (x+y)

x−y

=(1+1)

(1−1)

=2

0

=1

Hence, this is the answer

Was this answer helpful?

6 0
2 years ago
Read 4 more answers
Roberto's science grade is calculated using a weighted average. Quizzes are worth 25%, homework is worth 10%, unit tests are wor
LuckyWell [14K]

Answer:

Final grade:  93.9%

Step-by-step explanation:

The weights are as follows:  0.25, 0.10, 0.30 and 0.35.  Note that these add up to the whole, that is, to 1.00.

Then the final grade is:

0.25(94) + 0.10(99) + 0.30(92) + 0.35(94) = 93.9

4 0
3 years ago
Read 2 more answers
Evaluate (1.18×103)⋅(9.1×10−6)
IRINA_888 [86]
(121.54) x (91-6) =121.54 x 85 =10,330.9
or if these are exponents
(1.18 x 1000) x (9.1 x 0.000001)
(1,180) x (0.0000091)
 0.010738
4 0
3 years ago
What's 3/5 in its simplest form??
solniwko [45]
3/5 is in its simplest form, but as a decimal it’s 0.6
5 0
3 years ago
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A box contains 25 peppers of which 5 are red and 20 green. Four peppers are randomly picked from the box. What is the expected n
Law Incorporation [45]

Answer:

.8 red peppers

Step-by-step explanation:

5/25 is the probability.

20/100 20%

20% of 4 is .8

8 0
4 years ago
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