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telo118 [61]
3 years ago
7

John throws a biased coin 120 times

Mathematics
1 answer:
frez [133]3 years ago
5 0

Answer:

A) P(T) = 30/120 = 1/4

B) P(T) = 50

Step-by-step explanation:

A) P(T) = 30/120 = 1/4

B) P(T) = 1/4 of 200 which is 50

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45.20
Darya [45]

Answer: 2.5 units

Step-by-step explanation:

Asuming we have a triangle XYZ, where:

XY=2 units

XZ=Y, hence Z=XY=2 units

Angle A for Y is A=75\°

Angle B for Z is B=50\°

We have to apply the law of sines:

\frac{sin A}{Y}=\frac{sin B}{Z}=\frac{sin C}{X}

Then:

\frac{sin 75\°}{Y}=\frac{sin 50\°}{2 units}

Isolating Y:

Y=\frac{(2units)sin 75\°}{sin 50\°}

Y=2.5 units

8 0
3 years ago
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Elsa has $48.65 in her savings account and $23.40 in her wallet. How much more money is in Elsa's savings account than in her wa
Natali5045456 [20]
Elsa has $25.50 more in her savings account than her wallet.
3 0
4 years ago
Find the value of X for the triangle.
user100 [1]

Answer:

8

Step-by-step explanation:

77+50=127

180-127=53

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7x=53+3

7x=56

x=56/7

x=8

8 0
3 years ago
The number of mosquitoes in Minneapolis, Minnesota (in millions of mosquitoes) as a function of rainfall (in
SCORPION-xisa [38]

Answer:

5 cm

Step-by-step explanation:

Given the function:

m(x)=-(x-5)^{2} +25

As we know the above function is a quadratic equation (vertical parabola) open downward and the vertex is the maximum number of mosquitoes.

The vertex form of a quadratic function is:

y=a(x-h)^{2} +k where (h,k) is the vertex

Our given function have the vertex form as well, so the

(h,k) = (5,25)

At the height of 5 cm the rainfall will produce the maximum number of mosquitoes

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3 years ago
What is 0.679 multiplied by 10
motikmotik

Answer:

6.79

Step-by-step explanation:

8 0
3 years ago
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