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3 years ago

What is 60% of 60 minutes?

Mathematics

2 answers:

Aleks04 [339]3 years ago

8 0

Answer:

36 minutes

Step-by-step explanation:

60(.6)= 36

iogann1982 [59]3 years ago

6 0

60% = 60/100 = 6/10

6/10 of 60 =
60/10=6
6*6=36

Answer= 36 minutes

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The number of gallons of gas Connie’s car, g, uses is directly proportional with the number of miles she drives, m. Last week, s

stellarik [79]

The equation which represent the problem is 14.5 = 469.8k.

<h3>What is Equation?</h3>

An equation is a mathematical statement with an 'equal to =' symbol between two expressions that have equal values.

Here, As given in question

The number of gallons of gas Connie’s car, g, uses is directly proportional with the number of miles she drives, m.

g α m

g = km ............(i)

g = 14.5 gallons of gas m = 469.8 miles

14.5 = k X 469.8

14.5 = 469.8k

Thus, the equation which represent the problem is 14.5 = 469.8k.

Learn more about Equation from:

brainly.com/question/2263981

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2 years ago

Anastasia is grocery shopping with her father and wonders how much shopping is left to do. "We already have 60 percent of the it

Ilia_Sergeevich [38]

Hi

Left to do 40% of the shopping

12 items ⇒ 60% of the items
x items ⇒ 40% of the items

60x = 12(40)
60x = 480
x = 480/60
x = 48/6
x = 8 items

Answer:

Left 8 items of the list (40% of the shopping)

Items: 12+8 = 20 items on her list

4 0

3 years ago

Read 2 more answers

which of the following answer choices is equal to the sum of three consecutive odd integers? 153,154,155,156 or 157

Virty [35]

153 is the sum of 49, 51, and 53

6 0

3 years ago

If a rectangle has side lengths 5x-y and x+4y what would be the area and perimeter of the rectangle?

Dafna1 [17]

Answer:

Answer is given below with explanations. 

Step-by-step explanation:

$given \: \: l = 5x - y \: and \: \: b = x + 4y \\ area \: of \: rectangle \:= l \times b \: sq.units \\ = (5x - y)(x + 4y) \\ = 5 {x}^{2} + 20xy - xy - 4 {y}^{2} \\ = 5 {x}^{2} + 19xy - 4 {y}^{2} \\ perimeter \: of \: rectangle \\ = 2(l + b) \\ = 2(5x - y + x + 4y) \\ = 2(6x + 3y) \\ = 12x + 6y$

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

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3 years ago

1. The national mean (μ) IQ score from an IQ test is 100 with a standard deviation (s) of 15. The dean of a college wants to kno

Nat2105 [25]

Answer:

We conclude that the mean IQ of her students is different from the national average.

Step-by-step explanation:

We are given that the national mean (μ) IQ score from an IQ test is 100 with a standard deviation (s) of 15.

The dean of a college want to test whether the mean IQ of her students is different from the national average. For this, she administers IQ tests to her 144 students and calculates a mean score of 113

Let, Null Hypothesis, $H_0$ : $\mu$ = 100 {means that the mean IQ of her students is same as of national average}

Alternate Hypothesis, $H_1$ : $\mu\neq$ 100 {means that the mean IQ of her students is different from the national average}

(a) The test statistics that will be used here is One sample z-test statistics;

T.S. = $\frac{Xbar-\mu}{\frac{s}{\sqrt{n} } }$ ~ N(0,1)

where, Xbar = sample mean score = 113

s = population standard deviation = 15

n = sample of students = 144

So, test statistics = $\frac{113-100}{\frac{15}{\sqrt{144} } }$

= 10.4

Now, at 0.05 significance level, the z table gives critical value of 1.96. Since our test statistics is more than the critical value of z which means our test statistics will fall in the rejection region and we have sufficient evidence to reject our null hypothesis.

Therefore, we conclude that the mean IQ of her students is different from the national average.

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3 years ago