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3 years ago

3/4 ÷ 5 1/2 please explain the steps

1 answer:

3 0

The easiest way to do it is to make the numbers into decimals. All you need to do is divide them.

To convert 3/4 into a decimal just divide 3 by 4.

3 / 4 = .75

To get 5 1/2 into a decimal just ignore the 5 for now and divide the 1 by 2.

1 / 2 = .5

Now add the 5 back on and you have 5.5

So far you have converted the equation from (3/4) / 5 1/2 to .75 / 5.5

Now just divide .75 by 5.5

.75 / 5.5 = 1.136 with the 36 repeated

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The expression 3^2 ∙ 3^n simplifies to 3^20.

tiny-mole [99]

Answer: 18

<u>Step-by-step explanation:</u>

3² * 3ⁿ = 3²⁰

3⁽²⁺ⁿ⁾ = 3²⁰

2 + n = 20

n = 18

7 0

3 years ago

What is the value for y?<br><br><br><br> Enter your answer in the box.

s344n2d4d5 [400]

<h3>Answer:</h3>

y = 28

<h3>Explanation:</h3>

The base angles of the isosceles triangle are congruent, so the sum of angles is ...

34° + 34° + 4y° = 180°

... 4y = 180 -68 . . . . . divide by °, subtract 68

... y = 112/4 = 28 . . . . divide by the coefficient of y

The value for y is 28.

_____

You have not asked about x in either figure.

<em>First figure</em>

Since the angles are congruent, the sides are congruent. Then ...

... 6x -3 = 5x

... x = 3 . . . . . . add 3-5x

<em>Second figure</em>

The base angles of the isosceles triangle are congruent, so

... 34° = (x -5)°

... 34+5 = x = 39 . . . . . . . divide by °, add 5.

6 0

4 years ago

Three friends run a lemonade stand. Each day they take 1/2 of the total amount of money made in sales and split it equally. What

Harrizon [31]

Each friend would get 1/6 if the total amount of money they made that day.

<em>P.S. I'm sorry that I'm answering this late...</em>

4 0

3 years ago

Read 2 more answers

A shoe manufacturer was investigating the weights of men's soccer cleats. He felt that the weight of these cleats was less than

aleksklad [387]

Answer:

The conclusion is that the researcher was correct

Step-by-step explanation:

From the question we are told that

The sample size is $n = 13$

The sample mean is $\= x = 9.63$

The standard deviation is $s = 0.585$

The significance level is $\alpha = 0.05$

The Null Hypothesis is $H_o : \mu = 0$

The Alternative Hypothesis is $H_a = \mu < 10$

The test statistic is mathematically represented as

$t = \frac{\= x - \mu }{\frac{s}{\sqrt{n} } }$

Substituting values

$t = \frac{9.63 - 10 }{\frac{0.585}{\sqrt{13} } }$

$t = - 2.280$

Now the critical value for $\alpha$ is

$t_{\alpha } = 1.645$

This obtained from the critical value table

So comparing the critical value of alpha and the test value we see that the test value is less than the critical value so the Null Hypothesis is rejected

The conclusion is that the researcher was correct

6 0

4 years ago

Please help!! Which values of a and b in the exponential function y=a*b^x would result in the following graph?

Masja [62]

Answer: $a=-3, b=2$

Step-by-step explanation:

1. To solve this problem substitute the values of $a$ and $b$ into the function $y=a*b^{x}$ and prove for the value $x=0$ .

2. When $x=0$ , $b^{0}=1$ and $a*1=a$ ; this means that the graph of the function should cut in the axis $y=a$ , if this does not happen, the values of $a$ and $b$ are not the right ones.

3. Then, we conclude that the correct option is the Option A:

$y=a*b^{x}$

$y=-3*2^{0}$

$y=-3$

4. You can see that the function cut the y-axis at -3.

4 0

4 years ago