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3 years ago

Which of the following equations correctly shows the relationship between the values of x and the values of y?

Mathematics

2 answers:

Firdavs [7]3 years ago

6 0

Every time the x goes up 1 the y goes up by 3

tekilochka [14]3 years ago

6 0

Answer~ A. y=3x-4

Explanation~ Look at the X column. Start with the first row, which is 5 in the x column and 11 in the y column. Looking back at the equation. As you can see, it has the same variables that are in the table. Replace the x with the 5 from the table.

*Remember to put the 5 in parenthesis; you must always do this when plugging in numbers into your equations*

If done correctly, your equation should now look like this:

y=3(5)-4

Following PEMDAS, the order you solve order of operations, you must first multiply, as Multiplication is before Subtraction. So, you must multiply the 5 and 3. 5×3=15, so, now your equation should look like:

y=15-4

Simply subtract 4 from 15, and you should get 11. Therefore,

y=11

Continue this process down through the table to double check your work.

I hope I helped! Sorry for the dang essay lol

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What is 3 and 1 fifth subtracted by 1 and 2 fifths

Alex Ar [27]

1 and 4/5. there is a website called 'webmath' that can help with that!

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3 years ago

Write a SIMPLIFIED inequality for x that would give a rectangle with a length of 4 meters and a width of x+7 meters an area of m

Rashid [163]

Answer:

128 > 4*(x + 7)

Step-by-step explanation:

Given the following data;

Length = 4 meters

Width = x + 7 meters

Area = 128 m²

Mathematically, the area of a rectangle is given by the formula;

Area of rectangle = length * width

Substituting into the formula, we have;

128 > 4*(x + 7)

128 > 4x + 28

128 - 28 > 4x

100 > 4x

Dividing both sides by 4, we have;

25 > x

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3 years ago

Suppose you are going to graph the data in the table below. What data should be represented on each axis, and what would be the

vlabodo [156]

The given table is representing Profits for the given years. The independent variable is represented on x axis and on y axis dependent variable is taken .Years of increment is the independent variable and profit is the dependent variable .Year is represented on the x axis while profit will be represented on y axis. The appropriate profit in increments is $50,000

Among all the given options Option a)x-axis: years in increments of 1; y-axis: profit in increments of $50,000 is the correct answer.

4 0

3 years ago

Read 2 more answers

A triangle ΔABC contains sides of lengths 9.6, 18, and 20.1, respectively. What type of triangle is described by these lengths?

maks197457 [2]

hence the triangle

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4 0

3 years ago

Read 2 more answers

REALLY NEED HELP AND WILL MARK YOU AS BRAINLIEST!

katen-ka-za [31]

First, let’s break this down. What exactly are we looking at here? Well, Daisy measured the heights of 20 plants (in cm). The table, under Frequency, shows the # of plants that fit within a certain height range, shown on the left under Height of Plants (h).

Now, it says to take the midpoints of each group to figure out an estimate of the mean height. To find the mean, you add up all the totals and divide it by the # of items. So, let’s go through each row.

Midpoint of 0-10 is 5, and Frequency is 1, so that gives us 5.
Midpoint of 10-20 is 15, Frequency is 4, and 15x4=60.
We continue this with the other rows by finding the midpoint & multiplying the midpoint by the frequency (if the frequency is greater than 1). This gives us the numbers:

175 (25x7)
70 (35x2)
135 (45x3)
165 (55x3)

Now, we add these all together.
5+60+175+70+135+165=610

Finally, we divide 610 by the # of items (remember, there are 20 plants so we divide by 20) and 610/20 is 30.5.

FINAL ANSWER:

Thus, if I calculated correctly (which I hope I did lol), our estimate for the mean height of a plant is 30.5 cm!

4 0

3 years ago