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3 years ago

6

Which of the following numbers is irrational?

2 answers:

Ad libitum [116K]3 years ago

5 0

The square root of 3 is irrational since it is not a perfect square.

Alex17521 [72]3 years ago

4 0

2/3 is irrational, since as a decimal, it never ends. The number would be .66666 repeating.

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Paul can walk 15 steps in 5 minutes. How long does it take Paul to walk 75 steps at the same speed? I got 25 minutes am i right?

lina2011 [118]

The best way to solve this one is with a proportion:

(15 steps) / (5 minutes) = (75 steps) / ('x' minutes)

Cross-multiply the proportion: 15 x = 5 x 75

Divide each side by 15 : x = 5 x 5 = <em>25 minutes</em>.

You are correct, and Paul walks very slowly.

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3 years ago

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A line on a graph shows a proportional relationship between the amount of almonds, x, in grams and the total calories y. Two poi

qaws [65]

C. 5.75 calories per gram

Edit: 287.5÷50=5.75
402.5÷70=5.75

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3 years ago

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alukav5142 [94]

The answer is 75! Explanation: Use the distance formula:)

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3 years ago

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Lorico [155]

The equation that can be used to determine the measure of ∠A is tanA = 9.4/6.7. The correct option is A. tanA=9.4/6.7

<h3>Trigonometry</h3>

From the question, we are to determine which of the given equations can be used to determine the measure of ∠A

In the diagram,

If ∠A is the included angle

Then,

Using<em> SOH CAH TOA</em>

Opposite = 9.4

Adjacent = 6.7

Thus,

tanA = 9.4/6.7

Hence, the equation that can be used to determine the measure of ∠A is tanA = 9.4/6.7. The correct option is A. tanA=9.4/6.7

Learn more on Trigonometry here: brainly.com/question/2673715

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2 years ago

Sixty percent (60%) of those who attended the soccer game were parents. There were 120 people who

IrinaVladis [17]

Answer:

72

Step-by-step explanation:

<u>Given:</u>

There were 120 people in total.

60% were parents.

<u>To find:</u>

Number of parents attended.

Solution:

1. 60% of 120

It can also be written as:

$\frac{60}{100}\times \frac{120}{1}$

Simplify

Cancel zeros

$\frac{60}{100}\\\\=\frac{6}{10}$

Divide by common factor (2)

$\frac{6\div2}{10\div2}=\frac{3}{5}$

2. $\bold{\frac{3}{5}\times \frac{120}{1}}$

Multiply

$\frac{3\times120}{5\times1} = \frac{360}{5}$

Divide

$\frac{360}{5}= 360\div5=72$

Therefore, 72 parents attended the game.

4 0

3 years ago