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Darya [45]
3 years ago
11

Emma has a fish tank with two fish in it. The probability that the first fish lives for at least one year is 0.84. The probabili

ty that the second fish lives for at least one year is 0.90. The lifespan of each fish is independent of the other fish. What is the probability that both fish live for at least one year? Do not round your answer.
Mathematics
1 answer:
Amanda [17]3 years ago
4 0

Answer:

.756

Step-by-step explanation:

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In Salem, 4 of the 10 radio stations play classical music.
aliina [53]

Answer:

40% or 4/10 (assuming you just turned on the radio)

Step-by-step explanation:

If you just turned on the radio, it would be 4/10. If you changed from a channel that wasn't playing classical music then it would be 4/9. If you changed from a channel that was playing classical music then it would be 3/9.

4 0
3 years ago
50 POINTS!
Hoochie [10]

Answer:

Solution given:

AB=3units

<B=45°

<C=63°

DF=3units

<E=63°

<F=45°

for congruence opposite corresponding angle or side should be equal

so

∆ABCis congruent to ∆DFE by A.A.S axiom

Similarly

its another name also be

∆BAC=~ ∆FDE

you got it.third one.

7 0
3 years ago
Read 2 more answers
What is the value of b in the equation (y Superscript b Baseline) Superscript 4 Baseline = StartFraction 1 Over y Superscript 24
shusha [124]

The value of b is -6.

Explanation:

The expression is \left(y^{b}\right)^{4}=\frac{1}{y^{24}}

To determine the value of b, we shall solve the expression.

Applying exponent rule, \left(a^{b}\right)^{c}=a^{b c}, we get,

y^{4b}=\frac{1}{y^{24}}

Applying exponent rule, \frac{1}{a^{b}}=a^{-b}, we have,

y^{4b}=y^{-24}

The expression is of the form, a^{f(x)}=a^{g(x)} then f(x)=g(x)

Applying this rule, we get,

4b=-24

Dividing both sides by 4, we have,

b=-6

Hence, the value of b is -6.

4 0
3 years ago
Read 2 more answers
Mikel asked her father how old he is gues the father said I you add the digits that make my age this year you'll get a number th
Alexxx [7]

Answer:

For the sum of the digits of Michelle’s father to drop to 1/3 of its’ former value, the second digit must go from 9 to 0, in one year.

Thus, if he is 39 this year, the sum of the digits of his age will be 12. Next year, when the sum of the digits would be 4+0, or 4, then the digits of his age would be 1/3rd of their former value.

Therefore, he is 39, and will be 40 next year

Step-by-step explanation:

7 0
3 years ago
Write a series of rigid motions that transform pentagon ABCDE to pentagon A′B′C′D′E′
worty [1.4K]

Answer:

We need the following three rigid motions:

i) Reflection around y-axis, ii) Translation three units in the -y direction, iii) Translation four units in the -x direction.

Step-by-step explanation:

We need to perform three operations on pentagon ABCDE to create pentagon A'B'C'D'E':

i) Reflection around y-axis:

(x',y') = (-x,y) (Eq. 1)

ii) Translation three units in the -y direction:

(x'',y'') = (x', y'-3) (Eq. 2)

iii) Translation four units in the -x direction:

(x''',y''') = (x''-4, y'') (Eq. 3)

We proceed to proof the effectiveness of operations defined above by testing point D:

1) D(x,y) = (-1, 4) Given.

2) (x',y') = (1,4) By (Eq. 1)

3) (x'',y'') = (1, 1) By (Eq. 2)

4) D'(x,y) = (-3,1) By (Eq. 3)/Result

7 0
3 years ago
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