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3 years ago

The product of 33 and j

2 answers:

5 0

The "product" of two terms tells you that you're going to be multiplying them. When you multiply a number and a variable the number always goes first.

33j

This can also be written as 33 x j , 33 · j , (33)(j).

Kamila [148]3 years ago

4 0

33×j=33j
if j equal anything then just replace the number with the veritable.

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Estimate 32% of 19.

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Answer: 13

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3 years ago

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Find the missing probability. P(B)=720,P(A|B)=14 ,P(A∩B)=?

Ivan

Answer:

7/80

Step-by-step explanation:

Given that: P(B) = 7 / 20, P(A|B)= 1 / 4

Bayes theorem is used to mathematically represent the conditional probability of an event A given B. According to Bayes theorem:

$P(A|B)=\frac{P(A \cap B)}{P(B)}$

Where P(B) is the probability of event B occurring, P(A ∩ B) is the probability of event A and event B occurring and P(A|B) is the probability of event A occurring given event B.

$P(A|B)=\frac{P(A \cap B)}{P(B)}\\\\P(A \cap B)=P(A|B)*P(B)\\\\Substituting:\\\\P(A \cap B)=1/4*7/20=7/80\\\\P(A \cap B)=7/80$

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3 years ago

Write an inequality for the graph A. x > -3 B. x < -3 c. x > -3 _

earnstyle [38]

Answer:

A. x > -3

Step-by-step explanation:

Well by looking at the graph we can tell that,

the line we can tell that the line goes to the right of of the number line,

Meaning x is greater than -3.

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x > -3.

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4 years ago

Abigail rides her bike with a constant speed of 12 miles per hour. How far can she travel in 45 minutes?

ohaa [14]

If she rides at 12 miles per hour, we know that 45 minutes is three quarters of an hour, therefore just workout:

3/4 x 12 = 9

So she would travel 9 miles in 45 minutes.

7 0

3 years ago

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A circle has a diameter of 8cm, what is the perimeter and the area of the circle

Shkiper50 [21]

Answer:

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Diameter of a circle is 8 cm. Then find out the area and perimeter of the circle.

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Area of circle is 50.29(≈)cm² and perimeter of circle is 25.14(≈)cm.

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•Given :-

Diameter of the circle = 8 cm.

•To find :-

Area and perimeter of the circle.

• Solution :-

Let the radius of the circle be r cm.

Diameter = 8 cm.

We know,

★

So, Radius (r) = 8/2= 4 cm.

We know,

★

Area of circle= πr²

→Area of circle=

→Area of circle= 50.29(≈)cm²

____________________________

We know,

★

Perimeter of circle= 2πr

→ Perimeter of circle=

→Perimeter of circle=25.14(≈)cm

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3 years ago

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