2 years ago

~I ~ need ~ help ~ once ~ again~

Mathematics

1 answer:

ruslelena [56]2 years ago

8 0

A. 12pi meters.

Circumference = pi x diameter (pi x 12 = 12pi)
Diameter = 2 x radius (2 x 6 = 12)

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F(x) = x2 + 4x − 6

german

Since

$x^2+4x+4=(x+2)^2$

Is a perfect square, we can think of the "-6" at the end as a "+4-10" and we have

$x^2+4x-6 = x^2+4x+4-10 = (x+2)^2-10$

Which is the required form

6 0

3 years ago

2.5 ( y + ⅖ ) = -13<br> im really bad at math someone pls help

My name is Ann [436]

Answer:

-5.6

Step-by-step explanation:

first distribute the 2.5

also convert the 2/5 to decimal (0.4) because it's hard to work with both decimal and fraction

2.5y + 2.5*0.4 = -13

2.5y +1 = -13

y = -14/2.5 = -5.6

5 0

3 years ago

PLEASE HELP ASAP GIVING 100 POINTS

Inessa [10]

Answer:

3.98 meters

Step-by-step explanation:

First we need to know the formula for finding the height of a cylinder

$h=\frac{V}{\pi r^2}$

Now That we know our formula, we just need to put in our numbers and simplify

$h=\frac{5000}{\pi 20^2}$

$h=\frac{5000}{1256.637}$

$h=3.97887$

4 0

2 years ago

A quadratic function y=f(x)y=f(x) is plotted on a graph and the vertex of the resulting parabola is (5, -6)(5,−6). What is the v

MariettaO [177]

Answer:

The vertex is at (5,4).

Step-by-step explanation:

I graphed both of the functions on the graph below.

If this answer is correct, please make me Brainliest!

5 0

2 years ago

V+9<br> ------- =8 how do you do this and whhats the answer<br><br> 3

Kamila [148]

V or x is something so if you add 9 to get 8 then you must subtract 9 from 8 to get -1 which would be your answer

7 0

2 years ago

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