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CaHeK987 [17]
3 years ago
8

Ming wrote the table of points below.

Mathematics
1 answer:
anzhelika [568]3 years ago
7 0

Answer:

Ming has described a proportional relationship because the ordered pairs are linear and the line passes through the origin

Step-by-step explanation:

Given

x - y

5 - 10

10 - 20

15 - 30

Required

Determine if the data are proportional

The dataset is small; so, we can derive the relationship by observation.

By observing the x and y values, the relationship is:

y = 2x --- i.e. multiply x values by 2.

This is further proven by:

y = 2 * 5 = 10

y = 2 * 10 = 20

y = 2 * 15 = 30

y = 2 * 0 = 0 --- the origin

Hence, the dataset is proportional and it passes through the origin.

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1/5x-2/3y=30 when y=15
dolphi86 [110]

Answer:

Step-by-step explanation:

<u>Step 1:  Set y to 15 and solve</u>

<u />\frac{1}{5}x - \frac{2}{3}*15=30

\frac{1}{5}x-10=30

<em>Add 10 to both sides</em>

<em />\frac{1}{5}x-10+10=30+10

\frac{1}{5}x=40

<em>Multiply both sides by 5</em>

<em />\frac{1}{5}x*\frac{5}{1}=40*\frac{5}{1}

x=200

Answer:  x=200

5 0
3 years ago
What is equivalent to 3squareroot of 8^x
inn [45]

Answer:

3 * 8^(x/2)

Step-by-step explanation:

The third answer choice is the correct one.

Here's how:

3squareroot of 8^x = 3√(8^x)  = 3*(8^x)^(1/2)  =  3 * 8^(x/2)

8 0
3 years ago
P(red, blue, or green)
zhannawk [14.2K]
What is the question
4 0
3 years ago
Please answer correctly will mark brainliest and will follow
Schach [20]

9514 1404 393

Answer:

  q/2, p, q

Step-by-step explanation:

You know the area of a triangle is half the product of base and height. The two triangles of interest here have base length p and height q/2. You're being asked to fill in the missing base or height dimension.

  =\dfrac{1}{2}\times p \times\boxed{\dfrac{q}{2}}+\dfrac{1}{2}\times\boxed{p}\times\dfrac{q}{2}\\\\=\dfrac{1}{2}\times p\times\boxed{q}

5 0
3 years ago
For every person who has the flu, there are 6 people who have only flu-like symptoms. If a doctor sees 40 patients, determine ap
QveST [7]

Answer:

Approximately 7 people.

Step-by-step explanation:

Make a proportion of x/6 and divide 40 by 6. We get 6.23333...

This is approximately 7 people.

8 0
3 years ago
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