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bija089 [108]
4 years ago
9

How did you get 0.36 from 7/20

Mathematics
1 answer:
Tema [17]4 years ago
7 0
I'm confused when I did it I got .35 and you divide
hope it helped

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mrs. henein is purchasing cupcakes for her homeroom class. of each cupcake costs $2.25 and she has 31 students in her homeroom c
Luda [366]

Answer:

$69.75

Step-by-step explanation:

Multiply $2.25 by 31 students

5 0
3 years ago
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Two numbers multiply to be -7 and add to be -6. What are the numbers?<br><br> Example; 2,3
rewona [7]

<u>Given</u>:

Let the two numbers be x and y.

Two numbers multiply to be -7 and add to be -6.

This can be written in equation as,

xy=-7 and

x+y=-6

<u>Value of the two numbers:</u>

Let us determine the value of the two numbers using substitution method.

Substituting y=-6-x in the equation xy=-7, we get;

x(-6-x)=-7

Simplifying, we get;

       -6x-x^2=-7

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(x+7)(x-1)=0

x=-7, 1

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When x = -7, the equation x+y=-6 becomes y=1

Therefore, the two numbers are 1 and -7

3 0
4 years ago
Amar keeps picking playing cards out of a standard deck of 52 cards in the hopes that he will
lapo4ka [179]

Answer:

The required probability is, 0.78

Step-by-step explanation:

There are, (52 - 13) = 39 cards which are not spade

5 cards can be chosen from the deck of 52 cards in

^{52}{C}_{5}  ways

and out of these 5 choices, none of them will be spade in,

^{39}{C}_{5}  ways

So,

P(None of the chosen cards is spade)

= \frac {^{39}{C}_{5}}{^{52}{C}_{5}}

\simeq 0.22

Hence,

P(out of these 5 choices, at least one card is spade)

\simeq (1 - 0.22)

= 0.78

4 0
3 years ago
All I need to know is if I picked the right one!
Lemur [1.5K]

Answer:

No! The answer is not zero. There can be infinite solutions for this equation.

Hope it helps!

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3 years ago
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PLEASE HELP WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER.
elixir [45]

Answer:

20 degrees

Step-by-step explanation:

8 0
3 years ago
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