The expected value from a single die roll Given the Conditions stated is $3
The expected value is calculated using the relation :
E(X) = X × P(X)The table of probabilities from a single roll :
X ___ 6 ___ 0 ___ 0 ___ 0 ___ 0 ___12P(X)_ 1/6__ 1/6 __ 1/6 __ 1/6 __ 1/6 __ 1/6The expected value calculation :
E(X) = X × P(X) E(X) = (6×1/6) + 0 + 0 + 0 + 0 + (12 × 1/6) E(X) = 1 + 2 = $3Therefore, the expected value of a single die roll is $3
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Determine the difference. 3/4 – 5/16 = ?
options:
7/4
12/16
7/16
7/0
Answer:
7/16
Step-by-step explanation:
Answer:
7/16 is the correct answer.
Step-by-step explanation:
3/4-5/16
=12-5/16 (taking LCM)
=7/16
Hope this helps you. Have a nice day. Please amrk as brainliest. It helps a lot.
hello there
I am looking for help on this thanks.
The following figures are similar. Solve for x.
Answer:
i need a picture
Step-by-step explanation:
Newton uses two properties ti rewrite the expression (4x23)x25 identify the properties he used why would Newton use these properties
The two properties newton used to rewrite the expression are;
- Associative Property; Because it involves change of grouping of numbers in the expression.
- Distributive Property; Because it involves distribution of a number outside a bracket to numbers inside that same bracket.
This involves algebraic properties. There are 3 major types that work on only addition and multiplication namely;- Associative Property
- Commutative Property
- Distributive Property
Let us define each of them;
1) Associative Property; This property in algebra is one that means that no
matter how we group the numbers, we will still get the same result. e.g.
x + (y + z) = (x + y) + z.
2) Commutative Property; This property means that we can change the
order of operation and still get the same answer. For example;
p × q × r = p × r × q
3) Distributive Property; This property means that multiplying the sum of
two or more which are in a bracket by a number outside the will be equal to
the answer gotten when we multiply each number in the bracket
individually by the number outside and then adding their respective
products together. For example; p(q + r) = (p * q) + (p * r)
Newton has the expression; (4 × 23) × 25
Since it is multiplication, he can use any of the three properties above but let us use the associative and distributive properties as they are most suited to this expression.
For the associative property as shown above, he will arrive at;(4 × 23) × 25 = 4 × (23 × 25)
For the distributive property as shown above, he will arrive at;(4 × 23) × 25 = (25 × 4) + (25 × 23)
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Complete the following magic square using the whole numbers 1-9. (Each row, column, and diagonal must have the same sum.)
6
1
1
8
00
Answer:
611800
Step-by-step explanation:
is the answer
i think
W What word problem below can be solved by 7/8 divided by 1/4.? a. Shelly has 1/4 cup of lemonade. She pours 7/8 of lemonade into each glass. how many glasses can Shelly fill? b. Shelly has 7/8 cup of lemondae. She pours 1/4 cup of lemondade into each glass. hom many glasses can Shelly fill? C. Shelly has 7/8 cup of lemondae. She drinks 1/4 cup. How much lemondae does Shelly have left? d. Shelly has 7/8 cup of sugar in her lemondae. She adds another 1/4 cup after tasting it. How much sugar does she have in her lemondae now?hat word problem below can be solved by 7/8 divided by 1/4
Answer:
b.
Step-by-step explanation:
CAN SOMEONE PLEASE DO THESE 4 QUESTIONS
3.2x-1.7x+5.5=10
3/4x-1/4x+14=3
3(2x+1)+x=-39
m+4(2m-3)+-3
I WILL GIVE BRAINLIEST AND YOU ARE A LIFESAVER
ALSO PLEASE SHOW STEPS!!
THANKS!!!!!
Problem
3.2x-1.7x+5.5=10
Steps:
1.5x + 5.5 = 10
1.5x X 10 + 5.5 X 10 = 10 X 10
15x + 55 - 55 = 100 - 55
15x = 45
15x/15 = 45/15
x = 3
Therefore questions ones answer is x = 3
Problem
3/4x-1/4x+14=3
Steps:
3/4x - 1/4x + 14 = 3
3/4x - 1/4x + 14 - 14 = 3 - 14
3/4x - 1/4x = -11
3/4x X 4 - 1/4x X 4 = -11 X 4
2x = -44
2x/2 = -44/2
x = -22
Therefore question two's answer is x = -22
Problem
3(2x+1)+x=-39
Steps:
7x + 3 = -39
7x + 3 - 3 = -39 - 3
7x = -42
7x/7 = -42/7
x = -6
Therefore question three's answer is x = -6
Problem
m+4(2m-3)+-3
Steps:
= m + 4 (2m - 3) - 3
= m + 8m - 12 - 3
= 9m - 15
Therefore question four's answer is 9m - 15
Find the value of the equation.
12+−9
18
-18
3
-3
Answer:
.
Step-by-step explanation:
Whats the answer to this question? ( Branliest )
Answer:
50
Step-by-step explanation:
p = 8
q = 6
p / 4
= 8 / 4
= 2
pq
= 8 x 6
= 48
p / 4 + pq
= 2 + 48
= 50
50
Hope this helped you- have a good day bro cya)
si a+b = 10; ab= 3 calcula a2 + b2
94
Can someone help with this question fast ? <3
Answer:
x=7
Step-by-step explanation:
x+x+3+2x-1=30
4x+2=30
4x=30-2
=28
x=28÷4
=7
Factories 16xy*2 +10xy
Answer:
[tex]16x {y}^{2} + 10xy \\ = 2xy(8y + 5) \\ 2xy = 0 \: or \: 8y + 5 = 0 \\ y = - \frac{5}{8} [/tex]
Find the percent decrease. Round to the nearest percent.
From 138 pounds to 130 pounds
The percent decrease is %.
Answer: 6%
Step-by-step explanation:
so you find the normal decrease. which is 138-130, 8 pounds.
then you divide by the original weight, you get 5.979…% so then round it up and tada! 6%
When converted to a household measurement, 9 kilograms is approximately equal to a) 9000 grams. b) 9000 ounces. c) 19.8 ounces. d) 19.8 pounds.
Answer:
a) 9000 gam
Step-by-step explanation:
Answer:
a) 9000 grams
Step-by-step explanation:
1 kg=1000 g
9*1000=9000
When 8 is added to the number that is produced by doubling the number x, the result is equal to 8 times the number
that is 5 less than x. What is the value of x?
Please help I will give you brainless please
Answer:
x=7 is the answer
Step-by-step explanation:
Choose an equation that would be used to solve
0 = -x^2 + 10x -8
(x+25)^2 = -8
(x-5)^2 = 17
(x-10)^2 = 25
The equation that would be used to solve the function is (x+5)^2 = 17
Given the quadratic equation -x^2 + 10x -8 = 0
This can also be written as:
-x^2 + 10x -8 = 0
x^2 - 10x + 8 = 0
x^ 2- 10x = -8
The coefficient of x is -10
Half of the coefficient of -10 = -10/2 = -5
Square the result = 5^2 = 25
Add 25 to both sides of the equation
x^2 - 10x + 25 = -8 + 25
x^2 - 10x + 25 = 17
(x+5)^2 = 17
Hence the equation that would be used to solve the function is (x+5)^2 = 17
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What is your weight on Mars? (g = 3.75 m/s^2)
Same question, but different answer option.
I definitely need help with this math problem.
Which expression is equivalent to 10f-5-5f+2?
15f-3 5f-7
15f-7 or -3+6f
Answer:
5f - 3, I'm assuming there was a typo in the answer choices.
Step-by-step explanation:
10f - 5f + 2 - 5
5f - 3
Which ratio is equivalent to 3:10?
9:10
9:13
9:20
9:30
Answer:
9:30
Step-by-step explanation:
9:30 = 3:10
If we put a ratio into a fraction for better visual representation, we will see that 3:10 turns in 3/10. If we multiply both the numerator and denominator by 3, we will get 9/30. You can divide 3 from both sides of 9/30 and it will go back to 3/10.
tl:dr Multiply both sides of a ratio to get the equivalent ratio.
PLS HELP! Will give brainliest!
Answer:
yes they are inverses.
a.). x
Step-by-step explanation:
that's all
Hey ! Can anyone help me with this question please ? Thank you
Answer:
x=131°
Step-by-step explanation:
180°-49°=131°
<x is corressoping to the the angle next to <49°, so if you were to move it up there, it would be a linear pair or supplmentary angles, which equal 180°.
Find the percent decrease. Round to the nearest percent.
From 17 bagels to 0 bagels
The percent decrease is %.
Answer: 100%
Step-by-step explanation:
the normal decrease is 0-17=17, then you take the original bagel count divide by the number of bagels decreased (which is 17) x100 percent.
you shld get 100%, thanks!
what set operation combining all elements that are in two sets?
During a special ops mission a helicopter traveled eastward at 75 m/s against
westward blowing wind moving at a speed of 8 m/s. What would most likely
happen if the wind speed increased to 17 m/s? *
Helicopter
75 m/s
Wind
Answer:
the helicopter would go up and backwards
Can someone explain this? (This is algebra 1)
Answer:
x=12
Triangle abc and Def are congruent but different sizes. The original triangle has side values of 2, 6 and 5. Then the shape is dilated by an unknown factor, giving it the side lengths of 4, x, and 10. Looking at the increase in side lengths we see that theres an increase of 2 to 4, or multiplying by 2 and an increase from 5 to 10, or multiplying by to. So now that we know there was a dilation of 2, we multiply 6 by 2 to find 12
What is the value of the y-intercept of the graph of f(x) = e^1-x – 1?
Answer:
(0, e-1) or (0, 1.718) to the nearest thousandth.
Step-by-step explanation:
The y-intercept occurs when x = 0 so here we have:
y = e^(1 - 0) - 1
= e - 1
So the y-intercept is the point (0, e-1)
can someone please help I am stuck and its due soon I will follow and give feed back
[tex]\frac{1}{\sqrt{2} } -\frac{\sqrt{2}}{3}[/tex]
Find the value of x. The diagram is not to scale.
Given: angle SRT = angle STR, M Angle SRT = 20, m angle STU = 4x
In the given diagram, the value of x is 40
From the question,
we are given that
∠ SRT = ∠STR, and m ∠SRT = 20,
Also, from the question
m ∠STU = 4x
To determine the value of x,
From the diagram,
We can observe that
∠STR + ∠STU = 180° (Sum of angles on a straight line)
Since ∠ SRT = ∠STR, and m ∠SRT = 20,
Then,
∠STR = 20
Then,
∠STR + ∠STU = 180° becomes
20 + 4x = 180
To solve this,
First, subtract 20 from both sides
20 - 20 + 4x = 180 - 20
Then,
4x = 160
∴ x = 160 ÷ 4
x = 40
Hence, the value of x is 40
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Answer:
Step-by-step explanation:
The answer is 40.
x=40
The polynomial of degree 4, P ( x ) , has a root of multiplicity 2 at x = 1 and roots of multiplicity 1 at x = 0 and x = − 2 . It goes through the point ( 5 , 336 ) . Find a formula for P ( x ) . P ( x ) =___
Show your work
We want to find a polynomial given that we know its roots and a point on the graph.
We will find the polynomial:
p(x) = (183/280)*(x - 1)*(x - 1)*(x + 2)*x
We know that for a polynomial with roots {x₁, x₂, ..., xₙ} and a leading coefficient a, we can write the polynomial equation as:
p(x) = a*(x - x₁)*(x - x₂)...*(x - xₙ)
Here we know that the roots are:
x = 1 (two times)x = 0x = -2Then the roots are: {1, 1, 0, -2}
We can write the polynomial as:
p(x) = a*(x - 1)*(x - 1)(x - 0)*(x - (-2))
p(x) = a*(x - 1)*(x - 1)*(x + 2)*x
We also know that this polynomial goes through the point (5, 336).
This means that:
p(5) = 336
Then we can solve:
336 = a*(5 - 1)*(5 - 1)*(5 + 2)*5
336 = a*(4)*(4)*(7)*5
336 = a*560
366/560 = a = 183/280
Then the polynomial is:
p(x) = (183/280)*(x - 1)*(x - 1)*(x + 2)*x
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