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horsena [70]
3 years ago
13

9,11,13,15,17,19 can someone help

Mathematics
1 answer:
scZoUnD [109]3 years ago
5 0
Hey! you would first for 9 its a one step equation so you would divide the number without the variable(constant) by both sides you would get and answer by having the variable on one side of the equation sign and you have your answer. since it was multiplying you had to divide to cancel out the number next to the variable . If you need more help i recommend PhotoMath because it shows you how to do the problems step by step and shows you the answer! Thanks for asking for help 
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serg [7]
3<span>pink
5red
4yellow
12 total roses.

Probability of selecting a pink rose would be 3/12 or 1/4.
p(pink)=3/12=1/4

The complement of that would be 1-1/4=3/4.

P(NOT pink)=1-1/4=3/4

So theres a 3/4 chance that she WON'T randomly select a pink rose.

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8 0
4 years ago
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There are 100 apartments in Brenna's building. The number of apartments per floor is equal to 4 times the number of floors in th
My name is Ann [436]

Answer:

Step-by-step explanation:

Let the number of floors  = x

Number of apartments per floor = 4x

4x *x = 100

4x² = 100

x² = 100/4

x² = 25

x =√25

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Number of apartments on each floor = 4*5 = 20

7 0
3 years ago
How would you do number 12 and 15?
Gnesinka [82]

Answer:

x_1=x_2=-\dfrac{2}{3}

Step-by-step explanation:

For the quadratic equation ax^2+bx+c=0 the discriminant is defined as

D=b^2-4ac

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x_1=\dfrac{-b-\sqrt{D}}{2a}

and

x_2=\dfrac{-b+\sqrt{D}}{2a}

For the equation 9x^2 +12x+4=0 use quadratic formula to find roots:

D=12^2-4\cdot 9\cdot 4=144-144=0

So,

x_1=x_2=\dfrac{-12\pm \sqrt{0}}{2\cdot 9}=-\dfrac{12}{18}=-\dfrac{2}{3}

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4 years ago
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If AG + GH = 10, then may GH = AG + 10?
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