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qwelly [4]
3 years ago
8

The ratio of the heights of two similar pyramids is 4:7. The volume of the smaller pyramid is 1,331 cm3. To the nearest whole nu

mber, what is the volume of the larger pyramid
Mathematics
1 answer:
Andrej [43]3 years ago
6 0
Volume ratio 4^3/7^3 = 64/34364/343 = 1331/X cross multiply and solve for X
So the answer will be <span> 7,133cm3 </span>
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In the standard (x, y) coordinate plane, what is the distance, in coordinate units, between (-3, -2) and (5, 5)?
Sav [38]

Answer:

10.630

Step-by-step explanation:

\sqrt(x_{2}  -x_{1})^{2} + (y_{2} -y_{1})^{2}

\sqrt( 5-(-3)^{2} + (5- (-2)^{2}

(5 - ( - 3)^2 = 64

(5 - ( -2)^2 = 49

49 + 64

113

\sqrt113

10.630


I hope this helps

8 0
3 years ago
Find the surface area of the cone that has a lateral height of 4.2 and a diameter of 2.8. Use 3.14 for π.
Anvisha [2.4K]

Answer:

here look for it there is a sol

Step-by-step explanation:

https://www.careerlauncher.com/cbse-ncert/class-9/Math/CBSE-SurfaceAreasandVolumes-NCERTSolutions.html

5 0
3 years ago
Homework: Algebra Re<br> Find the slope and the y-intercept<br> 6x-7y=15
umka21 [38]

Answer:

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Step-by-step explanation:

I'm not 100% sure sorry lol.

3 0
3 years ago
Read 2 more answers
A contractor is building a circular swimming pool. The radius of the circle 12 feet. He needs to know the circumference in order
dolphi86 [110]
C=Pi X D
Diameter is twice the radius so that would be 24 feet

C = Pi X 24
C = (22/7) X 24
C = 75.428 Feet.
6 0
3 years ago
Read 2 more answers
Please someone help me on these 3 questions!! HELP ME I NEED HELP!!!!!
puteri [66]

Answer:

See below.

Step-by-step explanation:

1.) 5√6

2.) 6√2

3.) 3√7

To solve this without the use of a calculator, split the given number into a series of products (numbers multiplied) and look for pairs.

Look at the attached example of Problem 1 to get a better idea of what I mean.

3 0
2 years ago
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