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3 years ago

Using the slope formula, find the slope of the line (0,0) and (4,12)

Mathematics

2 answers:

riadik2000 [5.3K]3 years ago

8 0

Answer:

The slope is 3

Step-by-step explanation:

For this, you do y2-y1 over x2-x1

In this case, 12-0 and 4-0, leaving you 12/4, which is 3.

Hope this helps!

Airida [17]3 years ago

5 0

Slope formula: y2-y1/x2-x1

= 12-0/4-0

= 12/4

= 3

______

Best Regards,

Wolfyy

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Explain how to use estimation to help find the product of two decimals. Give an example with both estimated and actual answers.

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To use estimation to find the product of two decimals, you need to approximate (eliminate or round off) the decimals to have whole numbers, and then you can use the whole numbers to find their products.

<h3>What is estimation?</h3>

Estimation finds an estimate or approximation.

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<h3>Why is estimation necessary?</h3>

Estimation helps to ascertain where to place the decimals in the product for a reasonable answer.

<h3>For example:</h3>

3.9 x 4.75

Using estimation, we can round off the above as 4 x 5 = 20

This means that after multiplying 3.9 by 4.75, the value we obtain should be close to 20.

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2 years ago

Solve the system of equations by graphing. <br><br> x+y=3<br> y=2x−15

Stella [2.4K]

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

x + y = 3

x = 3 - y

y = 2x - 15

y = 2(3 - y) - 15

y = 6 - 2y - 15

y = -2y - 9

3y = -9

y = -3

y = 2x - 15

-3 = 2x - 15

-2x = -12

x = 6

So...

The answer is: (6, -3)

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4 years ago

Read 2 more answers

A group of winning ticket holders share equally 90,000,000 lottery. Before the money is divided, three more winning ticket holde

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3 years ago

A regular square pyramid has base edges of length 16 and its lateral faces are inclined 30° to the base of the pyramid. What is

Vlad1618 [11]

Answer:

(1) 13.86 units.

(2) 1182.72 cubic units.

Step-by-step explanation:

Please find the attachment.

We have been given that a regular square pyramid has base edges of length 16 and its lateral faces are inclined 30° to the base of the pyramid.

(1) We can find height of pyramid using tan.

$\text{tan}=\frac{\text{Opposite}}{\text{Adjacent}}$

The length of opposite side will half the length of square base.

$\frac{16}{2}=8$

$\text{tan}(30^{\circ})=\frac{8}{h}$

$h=\frac{8}{\text{tan}(30^{\circ})}$

$h=13.8564064605420367$

$h\approx 13.86$

Therefore, the height of the pyramid will be 13.86 units.

(2). We know that volume of pyramid is 1/3 the product of base area and height.

$V=\frac{1}{3}*bh$

$V=\frac{1}{3}*16*16*13.86$

$V=\frac{1}{3}*3548.16$

$V=1182.72$

Therefore, the volume of the pyramid would be 1182.72 cubic units.

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4 years ago

If f(x) = 3 – 2x and g(x) = StartFraction 1 Over x 5 EndFraction, what is the value of (StartFraction f Over g EndFraction) (8)?

Karolina [17]

Answer:

Step-by-step explanation:

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3 years ago

Using the slope formula, find the slope of the line (0,0) and (4,12)​

Using the slope formula, find the slope of the line (0,0) and (4,12)