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lara [203]
3 years ago
14

R -7 times r to the 3rd power

Mathematics
1 answer:
Rus_ich [418]3 years ago
7 0
The answer is r to the 14th power.
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Partially correct answer. Your answer is partially correct. Try again. Suppose that f left-parenthesis x right-parenthesis equal
Angelina_Jolie [31]

Answer:

a. 0.5

b. 0.4375

c. 0.125

d. 0

e. 1

f. 0.9655

Solving

Step-by-step explanation:

given f(x)=\left \{ {{1.5x^{2} } \atop {0}} \right.\\

for -1 ≤ x ≤ 1

a.

probability of P(0<X)

\int\limits^1_0 {f(x) } \, dx \\x = 1.5x^{2} \\\int\limits^1_0 {1.5x^{2} } \, dx

1.5\int\limits^1_0 {x^{2} } \, dx

when we integrate we have

1.5[x^{2+1} ]/3

= \frac{1.5}{3} \\= 0.5

b. probability of 0.5<x<1

=\int\limits^1_ {0.5} 1.5x^{2} \, dx

\frac{7}{16} = 0.4375

c. probability of p(-0.5≤X≤0.5)

I had difficulty using the math editor. ALmost ran out of time. please check the attachment for the solution to this.

the answer is 1/8 = 0.125

d. probability of x<-2 is equal to 0

e. p(x<0 or X>-0.5)

= p(X>-0.5) + p(x<0.5)

= 1-0.0625 + 0.0625

= 0.9375 + 0.0625

= 1

f.

we are to solve for P(x<X) = 0.05

= 0.9655

PLEASE CHECK ATTACHMENT FOR FULL CALCULATIONS

7 0
3 years ago
Only 8 and 9 help me
lakkis [162]
For 8, 15.25*18=274.5, 274.5/2= 137.25 or 137 1/4
for 9, 11*13=143, 143/2= 71.5 or 71 1/2
8 0
3 years ago
A bag has 3 res marbles, 2 blue, 1 yellow and 4 green . What is the probability of pulling a green​
Lemur [1.5K]

Answer:

4/10 but simplified = 2/5

Step-by-step explanation:

Add the marbles up, there are 4 green, so it's 4/10

But if you simplify it, it would be 2/5

I hope this helped!

5 0
3 years ago
Solve each equation. Show all work necessary to justify your answer
ivanzaharov [21]
THIS IS EASY. I don't have a calculator on me so bare with me.

1.) 7x - 9 = -4x + 90
7x +9. = -4x. + 9
7x. = -4x. 99
+4x = +4x. + 99
11× = 99
÷ 11. ÷ 11
X = 9



U can solve the rest. Are you serious?
4 0
3 years ago
3.8-5.5m-4n+8= Simplify
Ne4ueva [31]

Answer:

-5.5m-4n+11.8

Step-by-step explanation:

8 0
3 years ago
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