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dmitriy555 [2]
3 years ago
14

Which number satisfies the inequality 12n < 3n+28A) 3B) 4 C) 5D) 6

Mathematics
1 answer:
DiKsa [7]3 years ago
3 0
Your answer would be (A)
You might be interested in
A fruit juice company makes two kinds of juice blends, each in 1 gallon bottles. the regular mix uses 1/2 a gallon of orange jui
Snowcat [4.5K]

Answer:

56 regular   37 tropical             Maximum profit   $204.75

Step-by-step explanation:

 Constraints are:  

r ≥ 0  

t ≥ 0  

2r+ 3t ≤ 125  

2r + 1t ≤ 150

I will multiply the second by -3 to cancel  t  variable and see what  is the maximum amount for the regular

2r + 3t ≤  225

-6r - 3t ≤   -450

ADD BOTH

-4r    ≤ -225

r≤ 56.5  

Since we need to pick whole bottles ,not a fraction of a bottle we need ro round down.It should be less  than 65.5.So we need 56 bottles of regular

2*56 +3t  ≤ 225

112+3t ≤ 225

3t ≤ 113

t≤  37.6666    

37 bottles of tropical

2*56 + 3*37 =  112+111 =223       223<225

2*56 +37  =  112 +37  =149          149<150

$2.5*56 = $140

$1.75*37 = $64.65

Total profit   $204.75

3 0
3 years ago
According to a human modeling​ project, the distribution of foot lengths of women is approximately Normal with a mean of 23.3 ce
Yakvenalex [24]

Answer:

26.11% of women in the United States will wear a size 6 or​ smaller

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 23.3, \sigma = 1.4

In the United​ States, a​ woman's shoe size of 6 fits feet that are 22.4 centimeters long. What percentage of women in the United States will wear a size 6 or​ smaller?

This is the pvalue of Z when X = 22.4. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{22.4 - 23.3}{1.4}

Z = -0.64

Z = -0.64 has a pvalue of 0.2611

26.11% of women in the United States will wear a size 6 or​ smaller

8 0
4 years ago
Remi invests ?600 for 5 years in a saving account. By the end of the 5 years he has received a total of ?75 simple interest. Wor
Allushta [10]

Answer:

2.5 %  

Step-by-step explanation:

The simple interest formula is

I = Prt

Data:

I = $75

P = $600

t = 5 yr

Calculation:

75 = 600 × r × 5

75 = 3000 r

Divide each side by 3000

r = 75/3000 = 0.025 = 2.5 % APR

The annual percentage rate is 2.5 %.

4 0
3 years ago
Please help me with this
In-s [12.5K]

Answer:

x^2 + 8x + x +8 = x^2 +9x +8

Step-by-step explanation:

Add area of all figures

7 0
4 years ago
Read 2 more answers
Will vote brainliest!!!!!!!! Thank you!!!!!!!!!!!!
yawa3891 [41]

0

Step-by-step explanation:

all the ways you could do it so it would be 0

x-4y+5z=0,x+z-3y=0

6x-y+4z=0,x-7y+z=0

6 0
3 years ago
Read 2 more answers
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