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adelina 88 [10]
2 years ago
8

Nancy spends 1/3 of her monthly salary on rent, 0.1 on her car payment, 1/12 on food, and 20% on the bills. She has $680 left fo

r other expenses. What is Nancy's monthly salary?
Mathematics
1 answer:
lutik1710 [3]2 years ago
4 0

Answer:

have a good day

Step-by-step explanation:

rump 2020

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Each day jake donates money to the global hunger initiative according to how many lunch specials he sells. What is the constant
Vaselesa [24]

Since it's y/x, and x is what you input into the function (and y is what you get out), we get that the amount donated is based off of the lunch specials, so we get y(12)/x(60)=12/60=1/5Since it's y/x, and x is what you input into the function (and y is what you get out), we get that the amount donated is based off of the lunch specials, so we get y(12)/x(60)=12/60=1/5.

3 0
3 years ago
Using traditional methods, it takes 95 hours to receive a basic flying license. A new license training method using Computer Aid
Snowcat [4.5K]

Answer:

There is not sufficient evidence to support the claim that the technique performs differently than the traditional method.

Step-by-step explanation:

The null hypothesis is:

H_{0} = 95

The alternate hypotesis is:

H_{1} \neq 95

The test statistic is:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, \sigma is the standard deviation and n is the size of the sample.

A researcher used the technique with 260 students and observed that they had a mean of 94 hours. Assume the standard deviation is known to be 6.

This means, respectively, that n = 260, X = 94, \sigma = 6

The test-statistic is:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{94 - 95}{\frac{6}{\sqrt{260}}}

z = -2.69

The pvalue is:

2(P(Z < -2.69))

P(Z < -2.69) is the pvalue of Z when X = -2.69, which looking at the z-table, is 0.0036

2*(0.0036) = 0.0072

0.0072 < 0.01, which means that the null hypothesis is accepted, that is, there is not sufficient evidence to support the claim that the technique performs differently than the traditional method.

7 0
3 years ago
Please hurry!!! I need it now, This is timed. I'll give a brainliest!
Natasha_Volkova [10]

Answer:

it's 190 which mean C

Step-by-step explanation:

8 0
3 years ago
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How many unit cubes would you need to make a model of a rectangular prism that is 6 units long, 2 units wide, and 5 units high?
Zina [86]

Answer:

60

Step-by-step explanation:

Volume = 6*2*5 = 60

6 0
3 years ago
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Marcus uses 3 times as much lace as Jane. Together they use 64 inches. How much lace does each person use
Vaselesa [24]
Let Jane use 'X' lace.
Then,
Marcus uses '3X' lace  [ according to the question]
Here,
 X + 3X = 64
 4X = 64
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So, Jane uses 16 laces and 
Marcus uses 3*16 = 48 laces
6 0
3 years ago
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