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agasfer [191]
3 years ago
10

11/5 - 7/4 + 2/1 evaluate​

Mathematics
1 answer:
irga5000 [103]3 years ago
4 0

Step-by-step explanation:

11/5−7/4+2/1

=49/20(Decimal: 2.45)

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A right triangle with side a being 7 and the hypotenuse is 8. Find the measure of the missing side length. Round your answer to
Virty [35]

Answer:

4

Step-by-step explanation:

use the Pythagoras' theorem

formula for an ABC triangle( right angled)

AB is height

BC is hypotenuse

CA is length

BC^{2} = AB^{2} + CA^{2}

in your case

AB is 7

BC is 8

CA is unknown so we write x

8^{2}=7^{2}+x^{2}

64=49+x^{2}

64-49=x^{2}

15=x^{2}

\sqrt{15} =x

3.87=x

4=x

7 0
3 years ago
If an 8 sided solid is rolled 180 times, how many times would you expect either a 3,5, or 7 to be rolled? ​
ArbitrLikvidat [17]

Answer:

no

Step-by-step explanation:

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3 years ago
Consider the following portion of an electric circuit with three relays. Current will flow from point a to point b if there is a
Svetradugi [14.3K]

Answer:

0.9009

Step-by-step explanation:

Let X be the event that Current will flow

Let Y be the event that the first relay which is 1 is closed

Thus, we can say that every element of Y is in X, but X possesses more elements. Thus, Y ⊂ X.

Thus, we can say that;

P(X ∩ Y) = P(Y)

Thus, given that current flowed, the probability that relay 1 functioned will be expressed as;

P(Y | X) = (P(Y ∩ X))/P(X)

From earlier, we saw that P(X ∩ Y) = P(Y). Thus;

P(Y | X) = P(Y)/P(X)

From the question, P(Y) = 0.9

Since there are 3 relays, then we have;

P(X) = 1 - 0.1³ = 0.999

Thus;

P(Y | X) = 0.9/0.999

P(Y | X) = 0.9009

4 0
3 years ago
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Vlad [161]

Answer:

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We know that they need at least $3000; meaning, it may be $3000 or more. This leaves us with eliminating the bottom two choices.

We then look at the first two choices. If we were to subtract from 1200, we would not know the total income amount that has been gained. It would also eventually give us negative numbers. We cannot have a negative amount earned. Instead, we would use the 10c+1200 because this would allow us to visualize that it needs to be greater than or equal to 3000

8 0
3 years ago
Roman art differed slightly from the Greek style because it included __________ on sculpted and painted faces. A. beards B. eyeb
sineoko [7]

A Beards, Beards where a fashion choice back then, just like how wemon had black teeth and white painted faces!

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