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spayn [35]
3 years ago
7

Write an equation of the line passing through the points (4,15) and (-1,- 15).

Mathematics
1 answer:
Art [367]3 years ago
6 0

Answer:

y= 6x-9

Step-by-step explanation:

1. First find the gradient between the two points. Gradient =6

2. Using the formula y= mx+c substitute the gradient into the equation. You'll get something like this: y= 6x+c

3. Substitute the point (4,15) into the equation. You'll get something like this: 15= 6(4) +c.

4. Calculate the value of c. You'll get - 9 as an answer to that.

5. Substitute the value of c into the original equation. Your final answer will be y= 6x-9

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A pet shop uses 43 pounds of food each day. How many pounds are used in 365 days?
erma4kov [3.2K]
You know that 43 pounds are used each day, and they say 365 days, so what do you do?





































You multiply
8 0
4 years ago
Read 2 more answers
What are quartiles and how do you find them?
Neporo4naja [7]

Answer:

Quartiles are the values that divide a list of numbers into quarters

Step-by-step explanation:

Step 1: Put the numbers in order: 2, 5, 6, 7, 10, 12 13, 14, 16, 22, 45, 65. Step 2: Count how many numbers there are in your set and then divide by 4 to cut the list of numbers into quarters. There are 12 numbers in this set, so you would have 3 numbers in each quartile. Interquartile Range: 8.5.

Hope this helps :)

4 0
4 years ago
The product of two numbers is a ______ of both numbers
qwelly [4]
<h2>The product of two numbers is <em>a,</em>  \sqrt{a} of both numbers.</h2>

Step-by-step explanation:

Given,

The product of two numbers = a

To find, the both numbers = ?

Let the two numbers = x

∴ x × x = a

⇒ x^{2} =  a

⇒ x^{2} =\sqrt{a}^2

Comparing the powers, we get

⇒ x = \sqrt{a}

∴ First number = \sqrt{a} and Second number = \sqrt{a}

Thus, the product of two numbers is <em>a,</em>  \sqrt{a} of both numbers.

5 0
3 years ago
In a class of 32 students the mean height of the boys is 1.56 metres
mart [117]

Answer: JW.org is where you can find your answers.

5 0
4 years ago
Please help 10 points
jeka57 [31]

Answer:

61°

Step-by-step explanation:

Alright so the total amount of degrees in a 5-sided shape or pentagon is 540°. Since we have four of the five total angles, we can solve for the last one.

Sum of all the degrees of all five angles = 540°

The variable x is representing our last unknown degree.

90° + 107° + 144° + 138° + x° = 540°

Add up all the known degrees and solve for x.

479° + x° = 540°

Subtract 479 on both sides so that we can isolate x.

479° + x° - 479° = 540° - 479°

x° = 61°

So our final answer is 61°

4 0
4 years ago
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