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Dvinal [7]
3 years ago
9

If the radius of a sphere is increased by a factor of 3, then the volume of the sphere is increased by a factor of

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
5 0
V = 4/3 π r³
E. 27 ..............
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If 3x + 2y = 5, what is the value of the expression 6x + 4y - 7?
pickupchik [31]

Answer:

3

Step-by-step explanation:

x = 1

y = 1

6+4-7 = 3

6 0
3 years ago
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How does drawing a rectangle support the idea of composing a larger unit from smaller units
pav-90 [236]

Answer:

When you think rectangles, you think areas. Small areas aggregate to form bigger ones.

If you drew a rectangle, it's easy to divide it into smaller units by simply taking a line through its midsection from one length to the other and one width to the other. One can either form smaller squares or rectangles from a larger one.

When that is one, you'd have taken the larger area of a rectangle which is simply the product of the value of its length and it's the breadth, and divided it into smaller units.

Cheers!

4 0
3 years ago
Solve for k 5/8(3k+1)-1/4(7k+2)=1
lesya [120]

Answer:

<h2>k = 7</h2>

Step-by-step explanation:

\dfrac{5}{8}(3k+1)-\dfrac{1}{4}(7k+2)=1\qquad\text{multiply both sides by 8}\\\\8\!\!\!\!\diagup^1\cdot\dfrac{5}{8\!\!\!\!\diagup_1}(3k+1)-8\!\!\!\!\diagup^2\cdot\dfrac{1}{4\!\!\!\!\diagup_1}(7k+2)=8\cdot1\\\\5(3k+1)-2(7k+2)=8\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\(5)(3k)+(5)(1)+(-2)(7k)+(-2)(2)=8\\\\15k+5-14k-4=8\qquad\text{combine like terms}\\\\(15k-14k)+(5-4)=8\\\\k+1=8\qquad\text{subtract 1 from both sides}\\\\k=7

3 0
3 years ago
Shannon drove 300 miles. Which expression shows the miles per gallon obtained by her car if she used g gallons of gas on the tri
Rudik [331]

Step-by-step explanation:

300 miles per gallon

= 300 \: miles /gallon \\  = 300 \: m/g\\  = 300 \: m \:  {g}^{ - 1}

7 0
3 years ago
I REALLY NEED HELP FAST PLEASE !!
fiasKO [112]

Answer:

C: √768

Step-by-step explanation:

I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

8 0
2 years ago
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