4 years ago

HELP PLS DUE TODAY

1 answer:

3 0

(1/2 in)^3 x 1120 = 140 in^3

Find the volume of individual cubes which is the cubic power of the edge length. Then multiply by 1120.

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Answer:

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Step-by-step explanation:

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3 years ago

A triangle has side lengths of 200 units and 300 units. Write compound inequality for the range of the possible lengths for the

Ivahew [28]

Answer:

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Step-by-step explanation:

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7 0

3 years ago

Find an explicit rule for the nth term of a geometric sequence where the second and fifth terms are -6 and 162, respectively.

Vesna [10]

Answer:

b. an = 2 • (-3)^(n - 1)

Step-by-step explanation:

Before we test a solution or two, we can easily discard most of them.

We see the values alternate of signs (-5 for the 2nd term and +162 for the 5th term)... so the progression factor has to be negative (in order to alternate sign). That already excludes answers A and C.

Normally, a geometric progression has the (n-1) exponent, not (n+1), so our chances seem to be better with B.

We can test both D and B with n = 2, to obtain -6

Let's test answer D before:

$a_{2} = 2 * (-3)^{2+1} = 2 * (-3)^{3} = 2 * -27 = -54$

The result is -54, not -6... so it's not the right result.

Let's test answer B then:

$a_{2} = 2 * (-3)^{2-1} = 2 * (-3)^{1} = 2 * -3 = -6$

Right! Let's verify with n=5 to get 162:

$a_{5} = 2 * (-3)^{5-1} = 2 * (-3)^{4} = 2 * 81 = 162$

Confirmed, answer is B. an = 2 • (-3)^(n - 1)

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3 years ago

A lock has a two digit numeric code, with the numbers 1 through 6 available for each digit of the code. Note that numbers can be

Ede4ka [16]

There are 36 possible codes for this

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2 years ago

What is 3x-6+1=-2x-5+5x

Artyom0805 [142]

3x-6+1=-2x-5+5x
3x+2x-5x=6-1-5
10x=0
x=0

6 0

4 years ago