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3 years ago

Which is larger 0.7 or 3/4

Mathematics

2 answers:

nordsb [41]3 years ago

7 0

3/4 because 3/4=.75 and .70<.75

Ksenya-84 [330]3 years ago

3 0

3/4 is 0.75.
3/4 is larger than 0.7

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Sin30=4/sqrt{3}/x<br><br><br> How to solve?

iragen [17]

Answer:

$x=\dfrac{8}{\sqrt3}$

Step-by-step explanation:

Given that,

$\sin(30)=\dfrac{\dfrac{4}{\sqrt3}}{x}$ ...(1)

We need to find the value of x.

We know that,

sin30 = 1/2

Use it in equation (1).

$\dfrac{1}{2}=\dfrac{\dfrac{4}{\sqrt3}}{x}\\\\x=\dfrac{4}{\sqrt3}\times 2\\\\x=\dfrac{8}{\sqrt3}$

So, the value of x is equal to $\dfrac{8}{\sqrt3}$ .

6 0

3 years ago

Tina has been dieting for a total of 13 weeks. She lost 3 pounds on the first week of her diet, but gained back a pound on the s

Alecsey [184]

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3 years ago

Remove the parentheses from the following expression and combine like terms. 3(ax + b2 - c) + 2

melisa1 [442]

To remove the parentheses, you just distribute.
So, it will become 3ax + 3b^2 - 3c +2. I don't think there is any like term in this expression.

8 0

3 years ago

Read 2 more answers

Need help pleaseI was bad at math in school so lwant to learn

aleksklad [387]

The probability of an event is expressed as

$Pr(\text{event) =}\frac{Total\text{ number of favourable/desired outcome}}{Tota\text{l number of possible outcome}}$

Given:

$\begin{gathered} \text{Red}\Rightarrow2 \\ \text{Green}\Rightarrow3 \\ \text{Blue}\Rightarrow2 \\ \Rightarrow Total\text{ number of balls = 2+3+2=7 balls} \end{gathered}$

The probability of drwing two blue balls one after the other is expressed as

$Pr(\text{blue)}\times Pr(blue)$

For the first draw:

$\begin{gathered} Pr(\text{blue) = }\frac{number\text{ of blue balls}}{total\text{ number of balls}} \\ =\frac{2}{7} \end{gathered}$

For the second draw, we have only 1 blue ball left out of a total of 6 balls (since a blue ball with drawn earlier).

Thus,

$\begin{gathered} Pr(\text{blue)}=\frac{number\text{ of blue balls left}}{total\text{ number of balls left}} \\ =\frac{1}{6} \end{gathered}$

The probability of drawing two blue balls one after the other is evaluted as

$\begin{gathered} \frac{1}{6}\times\frac{2}{7} \\ =\frac{1}{21} \end{gathered}$

The probablity that none of the balls drawn is blue is evaluted as

$\begin{gathered} 1-\frac{1}{21} \\ =\frac{20}{21} \end{gathered}$

Hence, the probablity that none of the balls drawn is blue is evaluted as

$\frac{20}{21}$

8 0

1 year ago

Please help, it’s urgent

PtichkaEL [24]

Answer:

x= 102 degrees

Step-by-step explanation:

It is an isosceles triangle, which means that it has two equal sides and angles, so the angles opposite of 3.3 are going to be the same or 39 degrees, which means, 39 + 39 is 78 and 180 - 78 is 102 and x=102 degrees.

5 0

3 years ago