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3 years ago

Write a different clue that has the same product as 1,326 x 9

Mathematics

1 answer:

ch4aika [34]3 years ago

7 0

1989 x 6
is this what you asked??

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Find the constant of proportionality k. Then write an equation for the relationship between x and y

ExtremeBDS [4]

Question:

Find the constant of proportionality k. Then write an equation for the relationship between x and y

$\begin{array}{ccccc}x & {2} & {4} & {6} & {8} \ \\ y & {10} & {20} & {30} & {40} \ \ \end{array}$

Answer:

(a) $k = 5$

(b) $y = 5x$

Step-by-step explanation:

Given

$\begin{array}{ccccc}x & {2} & {4} & {6} & {8} \ \\ y & {10} & {20} & {30} & {40} \ \ \end{array}$

Solving (a): The constant of proportionality:

Pick any two corresponding x and y values

$(x_1,y_1) = (2,10)$

$(x_2,y_2) = (6,30)$

The constant of proportionality k is:

$k = \frac{y_2 - y_1}{x_2 - x_1}$

$k = \frac{30-10}{6-2}$

$k = \frac{20}{4}$

$k = 5$

Solving (b): The equation

In (a), we have:

$(x_1,y_1) = (2,10)$

k can also be expressed as:

$k = \frac{y- y_1}{x- x_1}$

Substitute values for x1, y1 and k

$5 = \frac{y- 10}{x- 2}$

Cross multiply:

$y - 10 = 5(x - 2)$

Open bracket

$y - 10 = 5x - 10$

Add 10 to both sides

$y - 10 +10= 5x - 10+10$

$y = 5x$

6 0

3 years ago

Radio stations use electromagnetic waves for broadcasting. The chart shows different frequencies of waves used by radio stations

Neko [114]

Answer:

its d

Step-by-step explanation:

just took the test

4 0

3 years ago

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Todd bought a game for $36 with a coupon for 25% off. How much would it have cost without the coupon?

kotykmax [81]

Answer:

Step-by-step explanation:

x*0.75=36

x=36/0.75=48 $

6 0

3 years ago

Read 2 more answers

What is the correct answer?

DochEvi [55]

The third one down is the correct answer. (-55 and 1)

4 0

3 years ago

2. C is at (-5.1) & D is at (7.6). Where is the midpoint on segment CD?

topjm [15]

Answer:

1.25

Step-by-step explanation:

Find the average.

-5.1+7.6=2.5

2.5/2

1.25

6 0

3 years ago