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Serhud [2]
3 years ago
13

What is 3 4/5 times 2 1/3 ? Your answer

Mathematics
1 answer:
Mazyrski [523]3 years ago
3 0
The answer to this question is 8.86666666667
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(9, 19) (2, 16)<br> Write the coordinates as decimals or integers.
9966 [12]

Answer:

In decimal 0.428571428

Step-by-step explanation:

The slope = (y2 - y1)/(x2 - x1) y2 = 16, y1 = 19x2=2 and x1=9

The slope = (16 - 19)/(2 -9)

The slope = (-3)/(-7)

The slope = 0.428571428

So in decimal form the coordinates are going to be written as 0.428571428

Slope is the steepness of a line, it is the difference between the y coordinates divided by the difference in x coordinates.

6 0
2 years ago
How do you solve this?
puteri [66]

Answer:

Width: 7

Length: 14

Step-by-step explanation:

The area of a rectangle can be found my multiplying the length by the width. We do not know neither the length nor the width. However, we do know that the length is 7 feet longer than the width. Because we do not know the value of either side, let's let x represent the width.

Since the length is 7 feet longer, we can represent the length by x+7.

Now that we have our values for the length and the width we can multiply them together to find our area.

(x)(x+7)=x^{2} +7x

Now we have our equation, so we can address the changes made by the original question. The original question states that when 7 is added to both the length and width the area becomes 3 times larger. To do so simply increase each side by 7 by adding 7 to the original values.

(x+7)(x+14)

And multiply our area by 3.

3(x^{2} +7x)

set these equal to each other to find your new equation.

(x+7)(x+14)=3(x^{2} +7x)

Now you need to solve for x. To do this first muliply (x+7) and (x+14).

(x+7)(x+14)=\\x^{2} +14x+7x+98=\\x^{2} +21x+98

Then multiply 3(x^{2} +7x)

3(x^{2} +7x)=\\3x^{2} +21x

Now you can begin solving for x.

x^{2} +21x+98=3x^{2} +21x

Subtract x^{2} from both sides.

21x+98=2x^{2} +21x

Subtract 21x from both sides.

98=2x^{2}

Divide by 2.

49=x^{2}

And finally take the sqaure root of both sides.

\sqrt{x^{2} }=\sqrt{49}\\x=7

Remember, because we are dealing with length, there cannot be negative. So while normally we would get both +7 <em>and</em> -7, in this case we <em>only </em>get +7.

Now that we have the value of x, we can plug it into our original values.

For width we simply get 7.

For length we get 7+7=14

To check our answer we cna multiply 7 by 14 to get 98. Then we can add 7 to our length and width to get 14 and 21. Multiply these together and we get 294. 294 divided by 3 is 98, proving our answer correct.

7 0
3 years ago
I need help with this ^^ <br> It’s about choosing a graph to fit a narrative
jenyasd209 [6]
1. The fourth graph: D
2. The first graph: A
3 0
3 years ago
Which point lies on a circle with a radius of 5 units and center at P(6, 1)?
Delvig [45]
Hello : 
all points <span>lies on a circle with a radius of 5 units and center at P(6, 1)are : 
M(x,y) :  (x-6)² + (y-1)² = 25</span>
4 0
3 years ago
Read 2 more answers
Find the volume of the object 5ft 12ft pretty easy!
Volgvan

Answer:

V=75pi ft^3 or 235.619 ft^3

Step-by-step explanation:

area of base times length

area of circle = pi * r^2  where r = 1/2 * diameter

A = pi * 2.5^2

A= 6.25pi ft^2

multiply by length

V= 6.25pi*12

V=75 pi

5 0
2 years ago
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