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Zanzabum
3 years ago
5

Write this number in standard form 12 ten thousands,8 thousands,14 hundreds, 7 ones

Mathematics
2 answers:
erma4kov [3.2K]3 years ago
8 0
12,008,147 in standard form
sweet-ann [11.9K]3 years ago
7 0
128,147 !!!!!!!!!!!!!
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Answer this now please :)
natta225 [31]

9514 1404 393

Answer:

  E.  384 cu ft

Step-by-step explanation:

The sum of length and width is half the perimeter, so the width is ...

  (40/2) -12 = 8 . . . feet

The depth is half that, so is 8/2 = 4 feet.

The volume is ...

  V = LWH = (12 ft)(8 ft)(4 ft) = 384 ft³

4 0
3 years ago
5x - 2y = 3, -5x + 4y = 9 solutions
Vinvika [58]
5x-2y=3
-5x+4y=9

2y= 12
divide it by 2

y= 6


put y in any equation

5x-2 (6)=3

5x-12=3
5x= 3+12=15
divide by 5
x=3

y= 6
3 0
3 years ago
Read 2 more answers
Amanda earned a score of 940 on a national achievement test that was normally distributed. The mean test score was 850 with a st
snow_lady [41]
<span>In math notation, we've done this: z = (X - μ) / σ = (940 - 850) / 100 = 0.90 where z is the z-score X is Vivian's score (940) µ is the mean (850) σ is the standard deviation (100) As you may know, in a normal distribution it's expected that about 68% of all observations will fall within 1 standard deviation of the mean, 95% will fall within 2 standard deviations, and 99% will fall within 3 standard deviations. 
940 lie before the first standard deviation, in which 16.5% is above it
since 940 is 0.9 from the mean and 0.1 from the first standard deviation
so above it is 17.5 % = 0.175 or about 0.18 </span>
4 0
3 years ago
You want to put $4,000 in a simple interest account. It has a 2.5% annual interest rate. How long will it take you to earn $500
____ [38]
5 years to earn $500
3 0
3 years ago
Find a general term an for the sequence whose first four terms are given.<br> 2, 4, 8, 16, ...
lapo4ka [179]

Answer:

  an = 2·2^(n-1)

Step-by-step explanation:

There are simple tests to determine whether a sequence is arithmetic or geometric. The test for an arithmetic sequence is to check to see if the differences between terms are the same. Here the differences are 2, 4, 8, so are not the same.

The test for a geometric sequence is to check to see if the ratios of terms are the same. Here, the ratios are ...

  4/2 = 2

  8/4 = 2

  16/8 = 2

These ratios are all the same (they are "common"), so the sequence is geometric.

The general term of a geometric sequence with first term a1 and common ratio r is ...

  an = a1·r^(n-1)

Filling in the values for this sequence, we find the general term to be ...

  an = 2·2^(n-1)

7 0
3 years ago
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