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3 years ago

What is the y-intercept of the graph?

Mathematics

2 answers:

irakobra [83]3 years ago

4 0

Answer:

The Y-intercept is 8

Step-by-step explanation:

<em>If you look at where Y starts at then that would be you intercept. </em>

<em />

ikadub [295]3 years ago

3 0

Answer:

Step-by-step explanation:

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Ann [662]

The surface area would be 26.5487 m².

The surface area of a cylinder is equal to the area of the circles at both ends, added to the area of the rectangular portion in the middle. The rectangle in the middle has a width equal to the circumference of the circle and a length equal to the height of the cylinder.

The circumference of a circle is given by C = πd, and the area of the circles is given by A=πr².

Since the height is in meters, we will convert it to cm. 3.5 m = 350 cm.
The diameter is 190 cm, so the radius is 190/2 = 95 cm.

This gives us:
SA = 3.14(190)(350)+2(3.14)(95)²
= 208810 + 56677 = 265487 cm² = 26.5487 m²

8 0

3 years ago

I’d appreciate help ASAP please and thank you!

White raven [17]

<h3>Answer: Choice C) 40 </h3>

==========================================================

Work Shown:

Plug in x = 0

$g(x) = 3^{2x}\\\\g(0) = 3^{2*0}\\\\g(0) = 3^{0}\\\\g(0) = 1\\\\$

This indicates that (0,1) is on the curve. This is the y intercept.

Do the same for x = 2

$g(x) = 3^{2x}\\\\g(2) = 3^{2*2}\\\\g(2) = 3^{4}\\\\g(2) = 81\\\\$

So we know that (2,81) is another point on this curve.

We need to find the slope of the line through (0,1) and (2,81) to get the slope of the secant line we want.

$m = \text{slope}\\\\m = \frac{\text{rise}}{\text{run}}\\\\m = \frac{\text{change in y}}{\text{change in x}}\\\\m = \frac{y_2-y_1}{x_2-x_1}\\\\m = \frac{g(2)-g(0)}{2-0}\\\\m = \frac{81-1}{2-0}\\\\m = \frac{80}{2}\\\\m = 40\\\\$

The slope of the line through (0,1) and (2,81) is m = 40. This value of m is exactly the slope of the secant line your teacher is asking for. This is why the answer is choice C.

5 0

3 years ago

Solve the right triangle. Round decimal answers to the nearest tenth. E D 8 14 1 F DE ~ ,mZE ~ MZD

Ugo [173]

Answer:

DE≈16.1

m<E≈60.3

m<D≈29.7

Step-by-step explanation:

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3 years ago

What is the area of the square? A square with the left side labeled 4 units.

Liono4ka [1.6K]

Area of square is a^2
4^2 = 16
the area is 16 units

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3 years ago

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Factor 72y + 108z to identify the equivalent expressions

ra1l [238]

36(2y+3z) and 12(6y+9z)

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3 years ago