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user100 [1]
2 years ago
12

2/3(3/5x+9)=(2x+40) Algebra II

Mathematics
1 answer:
Gennadij [26K]2 years ago
8 0

Answer:

value if x is -21.25.

...............

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What is the unit rate of traveling 392 miles in 7 hours?
IrinaVladis [17]

The unit rate would be how many miles they drove in 1 hour.

To find that, divide total miles driven by total hours driven.


392 miles / 7 hours = 56 miles per hour.


The unit rate is 56 miles per hour.

7 0
3 years ago
-8-8x^2=-31<br> how to solve for x
Zepler [3.9K]

Answer:

x = ± \sqrt{\frac{23}{2\sqrt{2}}}

Step-by-step explanation:

-8 - 8x^2= -31

Since this is a quadratic, it needs to be factored.

First, move the x to the other side:

-8 = 8x^2 - 31

Then, get the x alone by first adding 31:

23 = 8x^2

then dividing by 8:

x^2 = 23/8

Finally, square root both sides and remember the even roots property:

x = ± \sqrt{\frac{23}{8}}

and simplify the root 8:

x = ±  \sqrt{\frac{23}{2\sqrt{2}}}

Note: This answer may have a mistake.

8 0
2 years ago
What is 3/8 x 3? please help​
Vlad [161]

Answer:

9/8

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
In a genetics experiment on peas, one sample of offspring contained green peas and yellow peas. Based on those results, estimate
pashok25 [27]

Answer:

The probability of getting an offspring pea that is green is is 0.733

YES, the probability is reasonably close to the expected value of 3/4 (0.750)

Step-by-step explanation:

The formula for calculating the probability of an event is;

P = Favorable Outcome / Sample space

Let A be an event of getting an offspring green peas, B be an event of getting an offspring yellow peas and N be the total number of peas.

number of green peas in an offspring are 350

number of yellow peas in an offspring are 127

total number of peas are 477    

So in the genetic experiment, the number of times event A occurs is 350 and the number times event B occurs is 127

Now the probability of getting an offspring pea that is green is

P = number of green peas / total number of peas

p = n(A)/N

p = 350/477

p = 0.733

So YES, the probability is reasonably close to 3/4 ( 0.750 )

The probability of getting an offspring pea that is green is is 0.733.

YES, the probability is reasonably close to the expected value of 3/4 (0.750)

5 0
3 years ago
Write 4/25 as a decimal
skelet666 [1.2K]
<span>4/25x4/4=16/100=0.16

</span>
3 0
2 years ago
Read 2 more answers
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