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frosja888 [35]
3 years ago
12

I don't know what this is..?

Mathematics
2 answers:
WITCHER [35]3 years ago
8 0
The answer would be the top answer in the left corner. (The side length*4) because a square has four sides, and the perimeter is adding up ALL sides, so it would be adding up four total sides.
Oksanka [162]3 years ago
4 0
OK....
I believe the answer you would be looking for would explain what the perimeter would be.
The perimeter is the side lengths times 4 
That would be 19/2
So your answer would be 
Answer A 
or 
Perimeter times 4

H0P3 It H3LPS :)
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the arithmetic sequence ai is defined by the formula: a1 = -53 ai = ai-1 + 6 find the sum of the first 880 terms in the sequence
maxonik [38]

Answer:

The sum of the first 880 terms in the sequence is 2,273,920.

Step-by-step explanation:

Arithmetic sequence:

The difference between consecutive terms is always the same, called common difference, and the nth term is given by:

a_{n} = a_0 + (n-1)d

In which d is the common difference.

Sum of the first n terms:

The sum of the first n terms of an arithmetic sequence is given by:

S_{n} = \frac{n(a_1+a_n)}{2}

ai = ai-1 + 6

This means that d = 6

In this question:

Sum of the first 800 terms, so n = 800

First term is -53, so a_1 = -53

The 880th term is:

a_{880} = -53 + (880-1)*6 = 5221

Sum

S_{n} = \frac{880(-53+5221)}{2} = 440(-53+5221) = 2273920

The sum of the first 880 terms in the sequence is 2,273,920.

4 0
3 years ago
Find the volume of the composite solid below.<br> 4 ft<br> 3 ft<br> -<br> 4 ft<br> 10 ft
Aleks [24]

Answer:

173.3ft

Step-by-step explanation:

We'll start by the rectangle below

so remember the formula: l · w · h

10 · 4 · 3 = volume

volume = 120 ft

Rectangular pyramid

Volume = \frac{1}{3} b · h

Volume = 1/3 40 · 4

Volume = 1/3 160

Volume = 53.3 ft

120 + 53.3 = 173.3 ft

6 0
4 years ago
3 boxes have a total weight of 70kg.
Crazy boy [7]

Answer:

Box A = 37.3333333333

Box B = 23.33333333333

Box C = 9.33333333333

Step-by-step explanation:

3 0
3 years ago
98 Points!<br><br> (3x^2^a - 4y^a z^3a )^2
vfiekz [6]

((3x^2)^a - (4y^a)(z^3a))^2

First, expand.

((3x^2)^a - (4y^a)(z^3a)) ((3x^2)^a - (4y^a)(z^3a))

Combine

3^(2a) - x^(4a) - 8 * 3^(2a)x^(2a)y^(a)z^(3a) + 16y^(3a)z^(6a)

hope this helps

5 0
3 years ago
Read 2 more answers
Write the exponent for the expression. <br> 1.9^3
viktelen [127]

Answer:

3

Step-by-step explanation:

The exponent is 3 because of the ^

8 0
3 years ago
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