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Margarita [4]
3 years ago
9

I wrote an equation using parentheses and all four operations with an answer of 25 what might the equation have been

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
3 0
(3+6)×(9÷3)-2 would be one of the answers


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Is x/10=y a direct variation. If so, what is the constant of proportionality?
stiv31 [10]

Answer:

Yes,

y

=

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6 0
3 years ago
Two cards are drawn with replacement, one after the other, and the outcomes recorded. What is the probability that at least one
babymother [125]

Answer:

The probability is 0.231

Step-by-step explanation:

In this question, we are tasked with calculating the probability that out of two cards drawn with replacement from a pack of cards , at least one of the two is a face card.

In a standard pack of cards, there are 52 cards.

Now let’s calculate the number of face cards we have.

There are 12 face cards in a pack of cards. There are 4 of each of Jack, Queen or King

The probability of drawing a face card is 12/52 = 3/13

Now, we want to calculate the probability of at least one of the cards drawn are face cards.

Mathematically, what we are needing to calculate is

Probability of drawing a single face card or probability of the two being a face card

Now let’s calculate.

The probability of the first card drawn being a face card is 3/13. The probability of the second card not being a face card will be 1-3/13 = 10/13

The joint probability under this first set of condition will be 3/13 * 10/13 = 30/169

Now, for the second condition, here we are considering that both cards drawn are face cards. What we have is 3/13 * 3/13 = 9/169

Now in probabilities, whenever we are having the statement or, we add the probabilities together

Thus, the probability here would be 30/169 + 9/169 = 39/169 = 3/13

In decimal this will be 0.231

8 0
3 years ago
What is the prime factorization of 36
artcher [175]

Answer:

2^{2} x 3^{2}

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
F(x) =x^6-3x+9<br> g(x)=3x^3+2x^2-4x-9<br> Find (f-g)(x)
enyata [817]

Step-by-step explanation:

(f-g)(x)=

x ^{2}  - 3x + 9 - (3 {x}^{3}  + 2 {x}^{2}   - 4x - 9) =  \\ x ^{2}  - 3x + 9 - 3 {x}^{3}  - 2 {x}^{2}  + 4x  + 9 = \\  - 3 {x}^{3}  - x ^{2}  + x + 18

7 0
3 years ago
Which normal distribution has the greatest standard deviation?<br><br> 50 POINTS TO YOU
Makovka662 [10]

Answer:

Given : Few Distributions Mean & Standard Deviation.

To find : normal distribution which has the greatest standard deviation.

Solution:

=> Distribution 4 has the greatest standard deviation.

Graph at top has more spread hence more standard deviation.

8 0
3 years ago
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