Please help with number 1 please ?
Answers
Answer 1
Answer:
It's asking you to set -x and x equal to each other...
-x = x
2x = 0
x = 0.
-x = x
2x = 0
x = 0.
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In a group of 25 students, 16 are female. What percentage of the group is female?
How do you find the surface area of a regular pyramid
Barry brought 17.50 meters of a light rope at $0.48 per meter and three meters of heavy rope at $1.08 per meter. How much change did he get back from three $5 bills?
What is the equation of a line that passes through the points (3, 6) and (8, 4)?
Answers
Answer:
17
Step-by-step explanation:
100%-32%=68%
25*0.68=17
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the rolls are what.. ?
Answers
.1239
A decimal represents a value out of a whole, the "." representing everything under the amount of a whole (1). A percentage is essentially the same thing, except the "%" sign basically replaces the decimal. To convert a percentage to a decimal, move the decimal (and if there isn't one, add one to the right of the last number). Then, move that decimal two places to the right. For every empty space you move, add a zero there.
A decimal represents a value out of a whole, the "." representing everything under the amount of a whole (1). A percentage is essentially the same thing, except the "%" sign basically replaces the decimal. To convert a percentage to a decimal, move the decimal (and if there isn't one, add one to the right of the last number). Then, move that decimal two places to the right. For every empty space you move, add a zero there.
Answers
11.25 rounded to the nearest hundredth is 11.25
The 2 is in the tenths place, and the five is in the hundredths place. In order to round to the nearest hundredth, there must be a thousandths number to determine it, which there is not.
The 2 is in the tenths place, and the five is in the hundredths place. In order to round to the nearest hundredth, there must be a thousandths number to determine it, which there is not.
Answers
C = 5/9(F - 32)
Multiply each side by 9/5 : 9/5 C = F - 32
Add 32 to each side: 9/5 C + 32 = F
Multiply each side by 9/5 : 9/5 C = F - 32
Add 32 to each side: 9/5 C + 32 = F
c=5/9 (f-32)
c = 5/9f-160/9 /*9
9c=5f-160
5f-160=9c
5f=9c+160 /: 5
f = (9c+160)/5
c = 5/9f-160/9 /*9
9c=5f-160
5f-160=9c
5f=9c+160 /: 5
f = (9c+160)/5
Answers
what we can do is set up an algebraic equation.
our variable can me L for Length
3L+4L+5L=90
now all we have to do is solve
12L=90
---- ----
12 12
L=7.5
now multiple each number in the ratio by 7.5 to find out how long each side is
3 times 7.5 is 22.5
4 times 7.5 is 30
5 times 7.5 is 37.5
the side lengths are 22.5, 30, and 37.5
our variable can me L for Length
3L+4L+5L=90
now all we have to do is solve
12L=90
---- ----
12 12
L=7.5
now multiple each number in the ratio by 7.5 to find out how long each side is
3 times 7.5 is 22.5
4 times 7.5 is 30
5 times 7.5 is 37.5
the side lengths are 22.5, 30, and 37.5
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