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Mice21 [21]
3 years ago
12

Help with these math problems above!

Mathematics
1 answer:
dimulka [17.4K]3 years ago
6 0
The answers to the questions

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Use the table to determine whether the relationship is proportional. If so, write an equation for the relationship. Tell what ea
Neporo4naja [7]

Answer:

y = 25x, proportional relationship

Step-by-step explanation:

Let "x" = number of hours read (replace with "h" if that's the variable your teacher wants)

Let "y" = number of pages read (you can use any other variables if you want)

Let's first calculate the slope using \frac{y_{1} - y_{2}}{x_{1} - x_{2}} with any two points, I'm going to use  (2, 50) and (3, 75):

\frac{y_{1} - y_{2}}{x_{1} - x_{2}} = \frac{50 - 75}{2 - 3} = \frac{-25}{-1} = 25

Our slope is m = 25.

Now we can use the point-slope form y-y_{1} = m(x-x_{1})  with our slope and any point (I'll use (2, 50)) to figure out the equation:

y-y_{1} = m(x-x_{1}) \\ y-50 = 25(x-2)

Simplify:

y-50 = 25(x-2)\\y-50 = 25 x -50\\ y = 25x

Since the slope is positive, the relationship is proportional.

6 0
3 years ago
What is the next term of the arithmetic sequence?<br> -2, 3, 8, 13, 18,
Aneli [31]

Answer:

\boxed{\boxed{\sf~a_6=23}}

Solution Steps:

This is an arithmetic sequence since there is a common difference between each term. In this case, adding 5 to the previous term in the sequence gives the next term. In other words, a_n=a_1+d(n-1).

Arithmetic Sequence: d=5

Find the next term using the Arithmetic Sequence.

Arithmetic Sequence: a_6=a_5+5

a_6=18+5=23

7 0
3 years ago
Read 2 more answers
What is the answer to this question?
Elenna [48]
Dilation means it gets bigger or smaller.

When it says 0 < k < 1 it means basically a fraction.  So the shape will shrink.

When k > 1, the shape will get bigger.

Good luck.
5 0
3 years ago
For what values of x and y must each figure be a parallelogram?
Illusion [34]

Answer:

x=11,y=10.

Step-by-step explanation:

The diagonals of a parallelogram bisect each other.

We can form an equation in x and y using this property.

2y+2=2x

and x+9=2y.

Solving the second  equation for x ,

x=2y-9.

Substituting x value in 2y+2=2x

2y+2=2(2y-9)

Or ,2y+2=4y-18.

Adding 18 both sides:

2y+20=4y.

Subtracting 2y both sides

20=2y.

Dividing both sides by 2:

y=10.

x=2y-9

x=2(10)-9 ( substituting y value)

x=20-9=11

x=11 and y=10 will make the figure a parallelogram.

4 0
3 years ago
Read 2 more answers
The price of a computer was decreased by 7% to £500. What was the price before the decrease? Give your answer to the nearest pen
aliina [53]

Answer:

537.6

Step-by-step explanation:

0.93*x=500

x=500/0.93

x=537.6

8 0
3 years ago
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