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solniwko [45]
4 years ago
10

What’s the missing value 2x+3y=12

Mathematics
1 answer:
I am Lyosha [343]4 years ago
6 0

Step-by-step explanation:

To solve this, you either need x or y. So x or y can be the missing values. The most you can do is simply move one of the terms to the other side.

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On a survey, students reported how many minutes it takes them to travel to school. Here are their responses. 10,13 ,16 5,4 ,14 ,
Lemur [1.5K]

Answer:

Mean travel time = 10.33 minutes

Step-by-step explanation:

The mean of a distribution is a measure of central tendency that shows the centre of a set of data. Mathematically, it is represented as:

Mean = Sum of the terms ÷ Number of terms

Mean = (10 + 13 + 16 + 5 + 4 + 14) ÷ 6

Mean = 62 ÷ 6 = 10.33

∴ Mean travel time = 10.33 minutes

N:B 10.33 minutes = 10 minutes + 0.33 minutes

converting 0.33 minutes to seconds

1 minute = 60 seconds

∴ 0.33 minute = 60 × 0.33 = 19.8 seconds

∴ Mean time = 10 minutes 20 seconds

8 0
3 years ago
Do these pairs of values (x and y) represent two quantities that are proportional?
Jobisdone [24]

B. Yes, because all of the pairs represent the same ratio

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3 years ago
consider gk located at g (0,0) and k (4,4). describe the dilation of gk by a scale factor of 2 centered at (-2,-4)
KonstantinChe [14]

Solution: The dilation of gk by a scale factor of 2 centered at (-2,-4)  is g'(2,4) and k'(10,12).

Explanation:

It is given that the scale factor is 2 and center of dilation is (-2,-4).

If the center of dilation is (a,b) with scale factor k, then the dilation of a point P(x,y) is determined by the given formula.

D(x,y)=(a+k(x-a),b+k(y-b))     .....(1)

To find the g' substitute x=0, y=0, a=-2, b=-4 and k=2 in equation (1).

g'=(-2+2(2),-4+2(4))\\g'=(2,4)

To find the k' substitute x=4, y=4, a=-2, b=-4 and k=2 in equation (1).

k'=(-2+2(4+2),-4+2(4+4))\\g'=(10,12)

Therefore, the dilation of gk by a scale factor of 2 centered at (-2,-4) is g'(2,4) and k'(10,12).

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3 years ago
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Someone help me pls I need help
Tom [10]

Answer:

1/3

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Step-by-step explanation:

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3 years ago
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Find the area of a triangle with measures 154m, 179m, and 183m.
Arisa [49]
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3 years ago
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