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2 years ago

Sally spins a fair spinner numbered 1 - 5 and rolls a fair dice.

Mathematics

1 answer:

Ivenika [448]2 years ago

8 0

The probability of spinning a multiple of 3 and rolling a factor of 10 is 1/30

<h3>What is the probability of spinning a multiple of 3 and rolling a factor of 10?</h3>

The given parameters are:

Spinner = 1 - 5

Dice = 1 - 6

In the above spinner, we have:

Multiple of 3 = 3

In the above dice, we have:

Factor of 10 = 5

The probability is then calculated as

P = P(Multiple of 3) * P(Factor of 10)

This gives

P = 1/5 + 1/6

Evaluate

P = 1/30

Hence, the probability of spinning a multiple of 3 and rolling a factor of 10 is 1/30

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Using compatible number to estimate the quotient 2116÷7

DerKrebs [107]

Answer:

302

Step-by-step explanation:

7 goes into 21 3 times, so the first digit of the quotient is 3. There's no remainder. Bringing down the second "1," we find this indivisible by 7, and so bring down the 6.Thus, Remember that 7 goes into 14 2 times. Thus, a good estimate would be 302.

3 0

3 years ago

What is cos 30?<br>this is geometry

nirvana33 [79]

So the definition of the cosine of an angle of a right triangle is $\frac{adjacent}{hypotenuse}$ . You may remember this by SohCahToa (sine is opposite over hypotenuse, cosine is adjacent over hypotenuse, tangent is opposite over adjacent).

Remember, adjacent refers to the side next to the angle in question, and the side can't also be the hypotenuse. The hypotenuse is that longest side and is opposite the right angle.

We have the cosine of 30°. We write

$\cos(30)= \frac{adj}{hyp} = \frac{ \sqrt{3}}{2}$

8 0

3 years ago

Read 2 more answers

Graphing a line given its slope and y-intercept

kifflom [539]

Answer:

see below for a graph

Step-by-step explanation:

One point can be plotted at the y-intercept: (0, -2). Since the slope tells you the line drops 3 units for each 2 units to the right, the point (2, -5) will be another point on the line. The graph will go through those two points.

5 0

4 years ago

3(5y - 4) + 31 - 3y) = 3(2y - 3)<br> How to solve it

kumpel [21]

After solving $3(5y - 4) + 31 - 3y = 3(2y - 3)$ the value of y is $y=-\frac{14}{3}\,\,or\,\,y= -4.66$

Step-by-step explanation:

We need to solve the expression:

$3(5y - 4) + 31 - 3y = 3(2y - 3)$

and find the value of y

Solving:

$3(5y - 4) + 31 - 3y = 3(2y - 3)\\15y-12+31-3y=6y-9\\Combining\,\,like\,\,terms:\\15y-3y-6y=-9+12-31\\15y-9y=12-40\\6y=-28\\y=-\frac{28}{6}\\y=-\frac{14}{3}\\or\,\,y= -4.66$

So, after solving $3(5y - 4) + 31 - 3y = 3(2y - 3)$ the value of y is $y=-\frac{14}{3}\,\,or\,\,y= -4.66$

Keywords: Solving the expressions

Learn more about Solving the expressions at:

#learnwithBrainly

3 0

4 years ago

Help me please guys.

Alex_Xolod [135]

15.04 degrees or answer A is correct.

The Law of Sines is the relationship between the sides and angles of non-right (oblique) triangles . Simply, it states that the ratio of the length of a side of a triangle to the sine of the angle opposite that side is the same for all sides and angles in a given triangle. The formula for it is A=b•sin a/sin b.

You can transform the law of sines formulas to solve some problems of triangulation (solving a triangle). You can use them to find:

The remaining sides of a triangle, knowing two angles and one side.
The third side of a triangle, knowing two sides and one of the non-enclosed angles. In some cases (ambiguous cases) there may be two solutions to the same triangle. If the following conditions are fulfilled, your triangle may be an ambiguous case:
You only know the angle α and sides a and c;
Angle α is acute (α < 90°);
a is shorter than c (a < c);
a is longer than the altitude h from angle β, where h = c * sin(α) (a > c * sin(α)).

I hate useless complicated math lol ;)

5 0

3 years ago