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rjkz [21]
3 years ago
9

The volume of A is 400cm cubed Work out the volume of B A=10cm B=15cm

Mathematics
2 answers:
bonufazy [111]3 years ago
6 0

Answer:

600cm

Step-by-step explanation:

The length of B times the length on A which goes to B = your answer

saw5 [17]3 years ago
4 0

Answer:

1350 cm³

Step-by-step explanation:

(15/10)³ = VolumeB/400

VolumeB = 400×1.5³

Volume B = 1350 cm³

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Which graph represents the solution set of the system of inequalities?
Georgia [21]
To find out, graph them, analyze, and check.
Graph them. 
You get the graph below. 
Check the answers. 
It looks like B matches. 
So, the answer is B.

6 0
3 years ago
A) -3 · x = -21<br><br> b) -7x + 16 = 2x - 20
scoundrel [369]

Answer:7

Step-by-step explanation:

A) x= -21/-3

= 7 answer

7 0
3 years ago
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The ages of three children in a family can be expressed as consecutive integers. The square of the age of the youngest child is
tensa zangetsu [6.8K]

Answer: 10, 11, & 12

<u>Step-by-step explanation:</u>

Let x represent the age of the youngest child.  

Their ages are consecutive so,

Youngest: x

Middle: x + 1

Oldest: x + 2

The age of the Youngest squared (x²) equals 8 times the Oldest [8(x + 2)] plus 4.

x² = 8(x + 2) + 4

x² = 8x + 16 + 4

x² = 8x + 20

x² - 8x - 20 = 0

(x - 10)(x + 2) = 0

x - 10 = 0     or      x + 2 = 0

  x = 10       or          x = -2

Since age cannot be negative, x = -2 is not valid

So, the Youngest (x) is 10

the Middle (x + 1) is 11

and the Oldest (x + 2) is 12

4 0
3 years ago
Which function graph has axis of symmetry x=2
Reptile [31]

Answer:

HJVJKN ,KMN,. MN

Step-by-step explanation:

3 0
3 years ago
Amanda teaches the art of quilling to four students these students each teach the art of quilling to four other students if this
il63 [147K]

Answer:

341

Step-by-step explanation:

The number of people who know the art of quilting in each successive generation is

1, 4, 16, …

These numbers represent a geometric sequence where each term has the form

aₙ = a₁rⁿ⁻¹

In your sequence, a₁ = 1 and r = 4.

Then, the formula for your sequence is

aₙ = 4ⁿ⁻¹

Sum over five generations

The formula for the sum of the first n terms of a geometric series is

Sum = a₁[(1 - rⁿ)/(1 - r)]

Sum = 1[(1 - 4⁵)/(1 - 4)

       = (1 - 1024)/(-3)

       = -1023/-3

       = 341

If the process continues for five generations, 341 people will know the art of quilting.

4 0
3 years ago
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