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3 years ago

Use the graph to write a linear function that relates y to x.

Mathematics

2 answers:

Phantasy [73]3 years ago

8 0

Answer:

Use the y=mx+b formula for this

Step-by-step explanation:

deff fn [24]3 years ago

8 0

Answer:

y=3x+3 is the function for this graph.

Step-by-step explanation:

Y=MX+B is the normal equation you would use for a graphed equation.

B is the Y intercept so you can add that. Y=MX+3

Now, you need to find the slope which is M. The equation to find slope is $m=\frac{y2-y1}{x2-x1}$

Now you need two points to fill in the Y's and the X's. (1,1) and (-1,-5) will do.

$m=\frac{-5-1}{-1-1}$

$m=\frac{-6}{-2}$

The you solve the fraction

m=3

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Kaitlyn is making big goods for charity bake sale he places a tray of scones a tray of muffins and a tray of cookies in the oven

finlep [7]

Answer:

So:

Counting from a given time t = 0min, we know that:

Each 15 mins she removes the scones

Each 12 mins she removes the muffins

Each 10 mins she removes the cookies.

So when will she remove both at the same time?

Well, this will happen in the smallest common multiple of 15, 12 and 10.

or at LCM(10, 12, 15).

How we find it?

well, in this case is easy.

All the multiples of 10 end with a zero.

So let's find the multiples of 12 and 15 that also end with a zero:

12*6 = 60

15*4 = 60

and

10*6 = 60

So the LCM(10,12,15) = 60.

Another way is by calculating:

10*12*15/(GCF(10,12)*GCM(12,15)*GCM(10,15)

Where GCF = greatest common factor.

Between 10 and 12 is 2.

Between 12 and 15 is 3

Between 10 and 15 is 5.

Then:

10*12*15/(2*3*5) = 60.

This means that 60 minutes after she starts, she will remove the scones, muffins and cookies at the same time.

7 0

3 years ago

Find the value of x. <br> Answer options: 4, 6, 5, 7

pogonyaev

Answer:

x = 6

Step-by-step explanation:

The radius in this case measures; 20/2 = 10 since the diameter is 20.

The chord measuring 16 units has been bisected, hence each portion measures 8 units.

We now apply Pythagoras theorem since we are dealing with a right angled triangle with 2 given sides;

x^2 = 10^2 - 8^2

x^2 = 36

x = 6

3 0

3 years ago

A chemist has two large containers of sulfuric acid solution, with different concentrations of acid in each container. Blending

erma4kov [3.2K]

A is the concentration of the first container, B the second container.

300a+600b=900·(15)=13500
1.3a+6b=135

100a+500b=600·(12.5)=7500
2.a+5b=75

Multiply eq. 2 by (-3) and add to eq. 1 to eliminate A.
3a+6b-3a-15b=135-225
-9b=-90
b=10
Then from eq. 2,
a+50=75
a=25
The first container is a 25% solution and the second container is a 10% solution

5 0

3 years ago

Express 3*3*3*5*5 using exponents

-Dominant- [34]

3^3 X 5^3

3 is multiplied three times
5 is multiplied twice.

3 0

3 years ago

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Darya [45]

Answer:

the answer is 59 because you have to simplify no that's the answer

6 0

3 years ago