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mart [117]
3 years ago
12

A gyms membership in 2010 was 8,700. Now is 6400 what is an expression that equals the percent of change

Mathematics
2 answers:
Alexxandr [17]3 years ago
7 0
Percent of change = (new value - old value)/(old value) * 100

percent of change = (6400 - 8700)/(8700) * 100
sladkih [1.3K]3 years ago
4 0
8700-6400  divided by 8700 multiplied by 100
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Six years ago annabelle was twice as old as jason was. now, annabelle is four years older than jason. how old is jason now?
baherus [9]
Now: a=j+4
6 years ago: Anabelle: a-6; Jason: j-6

a-6=2(j-6) \\ a=2j-12+6 \\ a=2j-6 \\  \\ j+4=2j-6 \\ 4+6=2j-j \\ j=10 \\  \\ a=2(10)-6 \\ a=14
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Please help!!!! Tell me whether it’s a equation or not pleasr
goldfiish [28.3K]
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3 years ago
Snapdragon plants have a gene that determines the presence of chlorophyll. The dominant allele (C) causes the plant to make chlo
AleksAgata [21]

Answer: i)For X = (0,1) then P(x) = (1/3, 2/3)

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              iii) 0.06828

Step-by-step explanation:

Use binomial distribution:

Probability of being yellow (by having 1 recessive allele) is 2/3. This is a binomial distribution with p=2/3. And since there are 8 selections, our n is 8. So p=(2/3), n=8.

Recall that in binomial distribution P(X=x) = C(n,x) × p^x × (1-p)^n-x.

So for 3 out of 8, it means x=3 and n=8.  

Our equation becomes P(exactly three Snapdragon are yellow) = P(X=3) = (8C3) × (2/3)³ × (1/3)5 = 0.06828

7 0
3 years ago
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marysya [2.9K]

Answer:

I got 10 grade on my 7th iready test

Step-by-step explanation:

Just try your best ;-;

5 0
2 years ago
Read 2 more answers
Write an eqaution in slope-intercwpt form for the line with slope -5 and y-intercept 9
DerKrebs [107]

Answer:

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Step-by-step explanation:

Slope-intercept form of an equation is:

y = mx + b

Since they gave you the slope and y-intercept, it is kind of a fill-in-the-blank problem. Nothing to calculate!

Fill in the slope for the m. Fill in the y-intercept for the b.

y = -5x + 9

6 0
2 years ago
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