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3 years ago

What is the volume of the composite object below?

Mathematics

1 answer:

castortr0y [4]3 years ago

6 0

Answer:

216 cubic inches

Step-by-step explanation:

(9)(3)(3)=81

(3)(3)(9)=81

(3)(3)(6)=54

81+81+54=216

So, it's 216 cubic inches in volume.

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Which of the following trigonometric ratios are correct? SELECT ALL THAT APPLY.

Yuliya22 [10]

Answer:

Option 4 is correct

Step-by-step explanation:

The formula of the Trigonometric Identity Sine is,

$Sin\ \theta=\frac{perpendicular}{hypotenuse}\\\\sin\ 40 =\frac{x}{b}$

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3 years ago

What is the length of leg y of the right triangle?

xz_007 [3.2K]

Answer:

Step-by-step explanation:

We need to use the Pythagorean Theorem to solve this problem:

$a^{2} +b^{2} = c^{2}$ , where a and b are the legs of the right triangle and c is the hypotenuse

In this case, we already know b (b = 84) and c (c = 85), so we need to solve for a:

$a^{2} = c^{2} - b^{2} = 85^{2} - 84^{2} = 169 = 13^{2}$

Thus, a = y = 13.

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3 years ago

Read 2 more answers

Help, please and thanks

Stella [2.4K]

Answer:

$18 \sqrt{5}$

or 40.2 in decimal form

8 0

3 years ago

Graph the equations to solve the system. <br> y=3x+3<br> 1/3y+x+1

riadik2000 [5.3K]

Given equation is y=3x+3 and $\frac{1}{3}y=x+1$

Let's simplify the 2nd equation $\frac{1}{3}y=x+1$ before we can start graph so that calculation will be easy

$\frac{1}{3}y=x+1$

multiply both sides by 3 to cancel out fractions

$3*\frac{1}{3}y=3*x+3*1$

y=3x+3

which is exactly same as the first equation so graph of both will be exactly same and solution will be infinitely many solutions.

y=3x+3 has y-intercept 3 so first point will be (0,3). Slope is 3 so rise 3 unit up then 1 right and graph the new point.

4 0

4 years ago

Please right an equation that is perpendicular in slope intercept form <br> (3,-4); y=1/3x-5

kozerog [31]

Answer:

y=-3x+5

Step-by-step explanation:

So, with perpendicular equations, you flip the slope, so 1/3 becomes 3/1, and make it negative, and if it is already negative, you make it positive. So, since we have the slope, move on to the b=y-mx, so b=-4-(3)(-3), multiply to get b=-4-(-9), which makes our y-int 5.

6 0

3 years ago