There are 30 students in the school chorale,and 12 of theses students can stay after school today to help prepare the stage for the concert.What fraction of the students in chorale can stay after school today? Write the fraction in simplest form.
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5 squared is 25. 25 x 25 is 625 which is 25 squared.
SO, look at it this way
5² + 5² = same bases, so you add the exponents together to get 5^4
5^4 can be rewritten as (5²)² which is equal to 25²
This is a perfect square.
Review the "laws of exponents" for more help. :-)
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Answer:
The number of friends that went out for dinner is 8
And their bill is $238
Step-by-step explanation:
Let's assume that the number of friends that went out for dinner to be x
And the bill for the dinner to be y
If each person contributed $32 and paid off the bill,they will have a balance of $18
32x - 18 = y_____equation 1
If each person contributed $35 and paid off the bill and also 15% tip,they will have a balance of $6.30
35x - 6.3 = y + (15% of y)
35x - 6.3 = y + (3y/20)
Open up the bracket
35x - 6.3 =(20y + 3y)/20
700x - 126 = 23y______equation 2
From equation 1,y = 32x - 18
Put the above in equation 2 and we have
700x - 126 = 23(32x -18)
700x - 126 = 736x - 414
collect like terms
36x = 288
x = 288/36
x = 8
Remember that equation 1 says that y = 32x - 18 and we now know that x = 8 .
Substitute and we have
(32 × 8) - 18
y = 238
The number of friends that went out for dinner is 8
And their bill is $238
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Step-by-step explanation:
f(x) = 3+x/x-3
Substituting x = a+2, we get
which is the final answer.
Please mark Brainliest if this helps!
Answer:
f(a + 2)= (5 + a) / (a - 1) or f(a+2)= (a+5)/(a-1)
Step-by-step explanation:
f(x)=(3+x)/(x-3)
To evaluate f(a+2), simply replace the x with a+2
f(a+2) = (3 + a+2)/(a+2 - 3)= (a+5)/(a-1)
or
To answer items such as this, we directly substitute the a + 2 to the all the x's in the function:
f(a + 2) = (3 + a + 2) / (a + 2 - 3)
Simplifying the function generated above:
f(a + 2) = (5 + a) / (a - 1)
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2 x 3 = 6
3 x 2 = 6
6 x 1 = 6
6
^
1 6
^
2 3
That's a factor tree for 6
Choose EXACTLY TWO answers that are correct.
A.
between 6 and 12 years of experience
B.
between $40,000 and $60,000
C.
between 4 and 8 years of experience
D.
between $10,000 and $60,000
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Answer:
option: A and Option: B are correct.
Step-by-step explanation:
We are given a scatter plot we are asked to find which of the given statements hold true such that it's ranges describe the cluster in the scatter plot.
Clearly from the scatter plot we could see that:
The most of the points are between 6-12 years of experience in the scatter plot.
also the earnings are between $40,000 and $60,000 that covers most of the data.
Hence, option A. ( A. between 6 and 12 years of experience) and Option B ( B.
between $40,000 and $60,000 ) are correct.
and
D. between 10000 and 60000