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MatroZZZ [7]
3 years ago
5

What is (2x+3)^2? (2x+3)^2=___x^2+___x+___

Mathematics
2 answers:
Artyom0805 [142]3 years ago
4 0

Answer:

4x²+12x+9

Step-by-step explanation:

(2x+3)²=4x²+12x+9

andrey2020 [161]3 years ago
4 0
Your answer will be :4x^2+12x+9
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A spinner has equal regions numbered 1 through 20. What is the probability that the spinner will stop on an odd number or a mult
klio [65]

Answer:

<em>Probability that the spinner will stop on an odd number or a multiple of 5 is </em><em>0.6</em>

Step-by-step explanation:

Probability = \frac{Required outcomes}{Total possible outcomes}

We are given the equal regions numbered from 1 through 20 which means that our total possible outcomes are 20

<em>Total possible outcomes: 20</em>


<em>Outcomes that spinner will stop on an odd number, n(Odd): 10</em>

1, 3, 5, 7, 9, 11, 13, 15, 17, 19

Probability of spinner stoping on Odd number:

P(Odd) = \frac{n(Odd)}{Total} = \frac{10}{20} = \frac{1}{2} = 0.5


Outcomes that spinner will stop on a multiple of 5, n(5): 4

5, 10, 15, 20

Probability of spinner stoping on multiple of 5:

P(5) = \frac{n(5)}{Total} = \frac{4}{20} = \frac{1}{5} = 0.2

Odd numbers which are a multiple of 5 are: 5 and 15

So,

P(Odd and 5) = \frac{2}{20}=\frac{1}{10}=0.1

Thus Probability of spinner stopping at odd number or a multiple of 5 becomes:

P(Odd or 5) = P(Odd) + P(5) - P(Odd and 5) = 0.5 + 0.2 - 0.1 = 0.6

7 0
3 years ago
Help me on this math problem?
shusha [124]

Answer:

just add them

Step-by-step explanation:

4 0
3 years ago
What is Value for N=3.5
lutik1710 [3]

welll you know the valu now¿

Step-by-step explanation:

7 0
3 years ago
The sum of the digits of a two-digit
Ann [662]

Answer:

45

Step-by-step explanation:

Let the unit place be ‘x'

Tenth place be y

The number is 10y+x

x+y = 9 (according to the condition) (1)

Digits are interchanged Unit place' y ‘& tenth place ‘ x'

New no is 10x +y

This is 9 more than the original number

10x+ y = 10y+x +9

10x-x+y-10y = 9

9x-9y= 9

x-y = 1 (dividing by 9) (2)

Adding the two equations

2x = 10

x= 5

Substituting the value of x in first equation

y = 4

The number is 45, the original number is 54 this is 9 more of the new number.

6 0
3 years ago
Do any of you guys have an idea how to do this?​
fiasKO [112]
It would be the last one


Explanation

A vowel out of apple so they are two vowels in apple out of 5 letters so that’s 2/5

And there are two consonants in the word book all that’s 2/4

2/5 + 2/4 = 4/9
6 0
2 years ago
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