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Citrus2011 [14]
2 years ago
9

Please help asap! explaining how you got the answer will give you brainliest.

Mathematics
1 answer:
xeze [42]2 years ago
7 0
It would be 6 because the other short side is 6 so it should be 6 units
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Calculate the area of a circle with a dime tier of 16cm pi=3
Mashcka [7]

The area of every circle is        (pi) (radius²) .

Radius = 1/2 of the diameter, so the area of your circle is

                   (pi) x (8 cm)²  =  201 cm² .    (rounded)

(pi) is not 3 .   There's nothing wrong with approximating (pi),
but 3 is more than 4.5% wrong, and that's too much.  There's
no reason why  3.14  should be too hard to handle.

7 0
3 years ago
Read 2 more answers
If 2x^2+2x-8 is the quotient when x+3 divides P(x), which of th3 following is the quotient when 2x+6 divides p(x)?
maria [59]

Answer: A

2x^2+2x-8 is the quotient when x+3 divides P(x)

=> P(x) = (2x² + 2x -8)(x + 3) = 2(x² + x - 4)(x + 3) = (x² + x - 4) (2x + 6)

=> the quotient when 2x+6 divides p(x) is x² + x - 4

Step-by-step explanation:

7 0
2 years ago
Write an equation parallel to 5x-4y=4 that passes through the point (-8,2)
ehidna [41]

Since the line is parallel, the same coefficients can be used for x and y. The constant on the right needs to change so that the given point will satisfy the equation.

... 5x - 4y = 5(-8) -4(2) = -40 -8 = -48

Your equation is

... 5x -4y = -48

4 0
3 years ago
Find the slope between the two points given. Then, use the slope and one of the points to write the
IrinaVladis [17]

Answer:

The slope is -2

y =-2x - 1

Step-by-step explanation:

The slope is -2 or -2/1.

The slope is the change in y over the change in x.  The ordered pair is written in the form (x,y)  The first number is the x coordinate and the second number is the y coordinate.

(1, -3) (0, -1)  The -1 and the -3 are the y coordinates.  We subtract these.

-1 -(-3)  is the same as

- 1 + 3  which is 2.  

(1, -3) (0, 1,) the 1 and the 0 are the x coordinates.  We subtract these

0 - 1  is -1

The change in y is 2 and the change in x is -1, so our slope is -2/1 which is the same as -2.

To write the equation we need the slope and the y intercept.  We have the slope now.  We need to find the y-intercept.  We will use the slope and one of the points to find the y-intercept.  It does not matter which of the two points (1,-3) or (0,-1).  I will use (0,-1)

y = mx + b The b is the y-intercept which is what we are looking for

-1 = -2(0) + b

-1 = 0 + b

-1 = b

y = -2x -1

3 0
2 years ago
expression to approximate log a of x for all positive numbers a, b, and x, where a is not equal to 1 and b is not equal to one
amid [387]

Question:

Approximate log base b of x, log_b(x).

Of course x can't be negative, and b > 1.


Answer:

f(x) = (-1/x + 1) / (-1/b + 1)


Step-by-step explanation:

log(1) is zero for any base.

log is strictly increasing.

log_b(b) = 1

As x descends to zero, log(x) diverges to -infinity


Graph of f(x) = (-1/x + 1)/a is reminiscent of log(x), with f(1) = 0.


Find a such that f(b) = 1

1 = f(b) = (-1/b + 1)/a

a = (-1/b + 1)


Substitute for a:

f(x) = (-1/x + 1) / (-1/b + 1)

f(1) = 0

f(b) = (-1/b + 1) / (-1/b + 1) = 1




7 0
3 years ago
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