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SVETLANKA909090 [29]
3 years ago
15

Who can help with geometry

Mathematics
1 answer:
Kay [80]3 years ago
8 0

Answer:

h = 21.5cm.

Step-by-step explanation:

<em>Step one:</em> Simplify the volume.

220.16 x (pi) = 691.65cm^3.

<em>Step two:</em> Isolate h.

Cylinder volume equation: V = (pi)(r^2)(h), where r is the radius and h is the height.

Divide out the pi and r^2 on both sides to isolate h and move the equation to V/(pi)(r^2) = h.

<em>Step three:</em> Solve for h.

691.65/(pi)(3.2^2) = 21.5cm rounded to the nearest tenths place.

To illustrate this, please check the diagram below.

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Find the product<br>3a×9bc​
castortr0y [4]

Answer:

27abc

you multiply the coefficient and write all the variables after

6 0
3 years ago
For a quadratic function ƒ(x)=ax2+bx+c, ƒ(−1)&lt;1, ƒ(1)&gt;−1, and ƒ(3)&lt;−4. What could be the sign of a?
denis23 [38]

Answer:

"a" must be negative

Step-by-step explanation:

The slope between points (-1, 1) and (1, -1) is a minimum of (-1-1)/(1-(-1)) = -1.

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Thus, as x increases, the slope is decreasing. In order for that to be the case, the value of <em>a</em> must satisfy a < 0.

4 0
4 years ago
A chemical company makes two brands of antifreeze. The first brand is 40% pure antifreeze, and the second brand is 60% pure anti
Semenov [28]

Answer:

Step-by-step explanation:

Let x be the portion of 60%

180 - x is the portion of 40%

0.60x + 0.40(180 - x) = 0.55(180)

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x = 135

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4 0
3 years ago
( 13/7 ) ^2 <br> [answer in fraction form]
kodGreya [7K]

Answer:

\frac{169}{49}

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8 0
2 years ago
Please help me with this question and my next one!
Nookie1986 [14]

Answer:

Step-by-step explanation:

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So the equation is indeed linear.  It has a slope of 20 and y-intercept of 50.

p = 20n + 50

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3 years ago
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