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nikklg [1K]
3 years ago
11

Round 4.68 to the nearest tenth

Mathematics
2 answers:
Rasek [7]3 years ago
7 0
4.7 round the 6 to a 7 because the number after the 6 is an 8 and 8 rounds up
irina1246 [14]3 years ago
6 0
.60 is above 50 so you round up
4.60 becomes 5.00 if you round it to the nearest tenth 
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Last week at best bargain, 75% of computers sold were laptops. If 340 computer were sold there last week, how many laptops were
Eddi Din [679]
Total number of computers sold last week from Best Bargain = 340
Percentage of laptops sold last week from Best Bargain = 75%
These are the information's that we can find given in the question. Based on these information's the answer to the question can be easily found.
Number of laptops sold from Best Bargain last week = 340 * (75/100)
                                                                                     = 340 * (3/4)
                                                                                      = 85 * 3
                                                                                       = 255
So out of the total of 340 computers sold from Best Bargain last week, 255 were laptops. I hope this is the answer you were looking for.
6 0
3 years ago
Determine the y-intercept for -9x+2y=-36
WARRIOR [948]
-9x+2y = -36
when x=0 ; 2y = -36
so y = -18
then y-intercept(x=0) is -18
8 0
3 years ago
Maths ,Please help with mark brainliest
AfilCa [17]
In the table states the frequency of the marbles. It says in the 40 tries she had a frequency of 24 marbles that are yellow and for green it states the frequency is 16 marbles for green.
4 0
3 years ago
Use Gauss-Jordan elimination to nd the general solution for the following system of linear equations: z2 + 3z3 ???? z4 = 0 ????z
nirvana33 [79]

Answer:

Step-by-step explanation:

Solution is attached below

6 0
3 years ago
Use the given information to find the minimum sample size required to estimate an unknown population mean μ.
larisa86 [58]

Answer:

The number of business students that must be randomly selected to estimate the mean monthly earnings of business students at one college is 64.

Step-by-step explanation:

The (1 - <em>α</em>) % confidence interval for population mean is:

 CI=\bar x\pm z_{\alpha/2}\ \frac{\sigma}{\sqrt{n}}

The margin of error for this interval is:

 MOE= z_{\alpha/2}\ \frac{\sigma}{\sqrt{n}}

The information provided is:

<em>σ</em> = $569

MOE = $140

Confidence level = 95%

<em>α</em> = 5%

Compute the critical value of <em>z</em> for <em>α</em> = 5% as follows:

 z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96

*Use a <em>z</em>-table.

Compute the sample size required as follows:

MOE= z_{\alpha/2}\ \frac{\sigma}{\sqrt{n}}  

       n=[\frac{z_{\alpha/2}\times \sigma}{MOE}]^{2}

          =[\frac{1.96\times 569}{140}]^{2}\\\\=63.457156\\\\\approx 64

Thus, the number of business students that must be randomly selected to estimate the mean monthly earnings of business students at one college is 64.

4 0
3 years ago
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