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irga5000 [103]
3 years ago
9

What is the volume of a right pyramid whose base is a square with a side 6m long and whose altitude is equal to the base side? A

. 72 m3 B. 216 m3 C. 36 m3 D. 108 m3
Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
3 0
The 4-dimensional volume<span> of a polyhedral </span>pyramid<span> is 1/4 of the </span>volume<span> of the base polyhedron times its perpendicular height, compared to the area of a triangle being 1/2 the length of the base times the height and the </span>volume<span> of a </span>pyramid<span> being 1/3 the area of the base times the height.</span>
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A jet travels 500 miles in 5 hours. What is the ratios of miles to hours?
tia_tia [17]

Answer:

different answers in step-by-step

Step-by-step explanation:

100 mph

100mi:1hr

100mi/1hr

3 0
3 years ago
PLEASE HELP ME <br>2x+45=90<br>​
arsen [322]

Answer:

x = 45/2 = 22.5 cm

Step-by-step explanation:

2x + 45 = 90

2x = 90- 45= 45

2x = 45

x = 45/2 = 22.5 cm

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8 0
3 years ago
PLEASE HELP ITS DUE IN 5 MIN Solve for x in the following equation and upload a picture of your work step-by-step
Sergeu [11.5K]

Answer:

1.25 = X

Step-by-step explanation:

5-2x+2=12-4x-2x

Combine all like terms here.

7-2x=12-6x

Add 2x on both sides.

7=12-4x

Subtract 12 on both sides.

-5=-4x

Divide by -4.

1.25=X

5 0
3 years ago
Find the distance between points (2, 9) and (5, 4) to the nearest tenth​
Troyanec [42]

Answer:

Distance = 5.8

Step-by-step explanation:

d=\sqrt{(4-9)^{2} } { (5-2)} ^{2} \\

d = -5^{2}  + 3^{2}

d= 25 + 9

d= \sqrt{34}

distance = 5.8

3 0
3 years ago
Circle C with center at (−4, 6) and radius 2 is similar to circle D with center at (6, −2) and radius 4. Below is an incorrect i
BlackZzzverrR [31]

We are told that circle C has center (-4, 6) and a radius of 2.

We are told that circle D has center (6, -2) and a radius of 4.


If we move circle C's center ten units to the right and eight units down, the new center would be at (-4 + 10), (6 - 8) = (6, -2). So step 1 in the informal proof checks out - the centers are the same (which is the definition of concentric) and the shifts are right.

Let's look at our circles. Circle C has a radius of 2 and is inside circle D, whose radius is 4. Between Circle C and Circle D, the radii have a 1:2 ratio, as seen below:

\frac{1}{2} = \frac{radius--circle C}{radius--circle D}

If we dilate circle C by a factor of 2, it means we are expanding it and doubling it. Our circle has that 1:2 ratio, and doubling both sides gives us 2:4. The second step checks out.

Translated objects (or those that you shift) can be congruent, and dilated objects are used with similarity (where you stretch and squeeze). The third step checks out.


Thus, the argument is correct and the last choice is best.

3 0
3 years ago
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