3 years ago

Which number produces an irrational number when added to 0.5?

Mathematics

1 answer:

Andru [333]3 years ago

5 0

It would be the square root of 3

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7⋅5+(4^2−2^3)÷4 answers: 49 41 34 9

Bess [88]

Answer: 37

Step-by-step explanation:

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3 years ago

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The heat in the house is set to keep the minimum and maximum temperatures (in degrees Fahrenheit) according to the equation |x –

olga2289 [7]

Given the equation $|x-72.5|=4$ .

When x is maximum, we have

$|x-72.5|= x-72.5$ . Hence $x-72.5 =4\\x=76.5$

The maximum temperature is $76.5\; ^oF$

When x is minimum, we have

$|x-72.5|=72.5-x$ . Hence $72.5-x =4\\x=68.5$

The minimum temperature is $68.5\; ^oF$

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3 years ago

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A coffee mug is 16 fl oz. How many qts are needed to fill 26 mugs

MrMuchimi

1 quart = 32 ounces

She will need 13 quarts <span>of coffee.</span>

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3 years ago

A recipe calls for 2 2 over 4 cups of raisins but julie only has a 1 over 4 c up measuring how many 1 over 4 cups does julie nee

Kamila [148]

You will need 6/4 cups of raisins to complete the amount you need to comply with the recipe

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3 years ago

A student believes that less than 50% of students at his college receive financial aid. A random sample of 120 students was take

marusya05 [52]

Answer:

p= 0.9995 and we can conclude that students receiving aid is more than 50% according to the sample results in 2% significance level.

Step-by-step explanation:

$H_{0}$ : less than or equal 50% of students at his college receive financial aid

$H_{a}$ : more than 50% of students receive financial aid.

According to the nul hypothesis we assume a normal distribution with proportion 50%.

z-score of sample proportion can be calculated using the formula:

z= $\frac{X-M}{\frac{s}{\sqrt{N} } }$ where

X is the sample proportion (0.65)
M is the null hypothesis proportion (0.5)
s is the standard deviation of the sample ( $\sqrt{0.5*(1-0.5)}$ )
N is the sample size (120)

then z= $\frac{0.65-0.50}{\frac{\sqrt{0.25}}{\sqrt{120} } }$ ≈ 3,29

thus p= 0.9995 and since p<0.02 (2%), we reject the null hypothesis.

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3 years ago