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2 years ago

Please help! 50 point reward and brainliest to best answer

Mathematics

2 answers:

blondinia [14]2 years ago

8 0

Answer:

how can you create a data set with 7 numbers if there are already 7 for the mode

Step-by-step explanation:

And also we cant really answer this for you because we cannot draw on this and we can't make a data set by typing although it would be more better if we could draw to show explanations

Serga [27]2 years ago

6 0

Answer: Wow this seems very tough I have no clue I just know you need more 7's than any other number.

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How do I complete these questions a bit confused . (extra credit work )

otez555 [7]

Answer:

(1)

$a = \frac{3\sqrt 3}{2}$

$b = \frac{3}{2}$

(2)

$a = \sqrt 6$

$b = \sqrt 2$

Step-by-step explanation:

Solving (1):

Considering

$\theta = 60^o$

We have:

$\sin(\theta) = \frac{Opposite}{Hypotenuse}$

This gives:

$\sin(60^o) = \frac{a}{3}$

Solve for a

$a = 3 * \sin(60^o)$

$\sin(60^o) = \frac{\sqrt 3}{2}$

So:

$a = 3 * \frac{\sqrt 3}{2}$

$a = \frac{3\sqrt 3}{2}$

To solve for b, we make use of Pythagoras theorem

$3^2 = a^2 + b^2$

This gives

$3^2 = (\frac{3\sqrt 3}{2})^2 + b^2$

$9 = \frac{9*3}{4} + b^2$

$9 = \frac{27}{4} + b^2$

Collect like terms

$b^2 = 9 - \frac{27}{4}$

Take LCM and solve

$b^2 = \frac{36 - 27}{4}$

$b^2 = \frac{9}{4}$

Take square roots

$b = \frac{3}{2}$

Solving (2):

Considering

$\theta = 60^o$

We have:

$\sin(\theta) = \frac{Opposite}{Hypotenuse}$

This gives:

$\sin(60^o) = \frac{a}{2\sqrt 2}$

Solve for a

$a = 2\sqrt 2 * \sin(60^o)$

$\sin(60^o) = \frac{\sqrt 3}{2}$

So:

$a = 2\sqrt 2 * \frac{\sqrt 3}{2}$

$a = \sqrt 2 * \sqrt 3$

$a = \sqrt 6$

To solve for b, we make use of Pythagoras theorem

$(2\sqrt 2)^2 = a^2 + b^2$

This gives

$(2\sqrt 2)^2 = (\sqrt 6)^2 + b^2$

$8 = 6 + b^2$

Collect like terms

$b^2 = 8 - 6$

$b^2 = 2$

Take square roots

$b = \sqrt 2$

3 0

2 years ago

Use the point-slope equation to identify the slope and the coordinates of a point

yanalaym [24]

Answer:

The slope of the line is 3.

The point on the line (1,4).

Step-by-step explanation:

Point Slope form is: $y-y_1=m(x-x_1)$

'm' is the slope.

(x1, y1) is the point used to make the equation.

In the equation given, 3 replaces 'm', 4 replaces 'y1' and 1 replaces 'x1'.

y - 4 = 3 (x - 1)

Therefore:

The slope of the line is 3.

The point on the line (1,4).

Brainilest Appreciated.

5 0

3 years ago

Naimal averages 80km/h driving her car.

777dan777 [17]

That sounds correct to me.

4 0

3 years ago

What is 5 - j = 3 ????

VikaD [51]

Answer:

j=2

Step-by-step explanation:

First, subtract by 5 from both sides of equation.

5-j-5=3-5

Simplify.

3-5=-2

-j=-2

Divide by -1 from both sides of equation.

-j/-1=-2/-1

Simplify, to find the answer.

-2/-1=2

It change negative to positive.

j=2 is the correct answer.

I hope this helps you, and have a wonderful day!

4 0

3 years ago

Read 2 more answers

The length of the prism is m.

frutty [35]

Answer:

Solution given.

The length of the prism is 5m.

The width of the prism is 4 m.

The height of the prism is 3m.

The prism holds a total of5*4= 20 cubes.

The volume is l*w*h=5*4*3=  60m3.

8 0

3 years ago

Read 2 more answers