Natasha ran 3.1 km. Tonya ran4 meters more than half as far as Natasha. How many meters did Tonya run?
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3.1(0.5)+ 4 = 5.55 meters
Solve the proportion of x. 6/10=9x
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I'm guessing since it's a proportion that you meant 6/10 = 9/x, so in that case.
6 9 ---- = --- You have to cross-multiply. 10 x
(6x) = 90 Then divide by 6 normally.
x = 15
Find all the powers of 3 that are in the range 3 through 1,000
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3 to the power 1 = 3 3 to the power 2 = 9 3 to the power 3 = 27 3 to the power 4 = 81 3 to the power 5 = 243 3 to the power 6 = 729
And 3 to the power 7 = 2187 but you won't need this
There were 450 students enrolled in a middle school at the beginning of the school year. The number of students enrolled in the school at the end of the year was 10 percent greater than the number of students enrolled in the school at the beginning of the year. How many students were enrolled in the school at the end of the year?
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Answer:
495 students
Step-by-step explanation:
find 10% of 450:
450 x 0.1 = 45
45 students added through the year
now add 45 to the original 450 students
450 + 45 = 495
What is the answer to this ,
6.6=w-1.2 w=
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We have solution 6.6=w-1.2 /+1.2 add both sides 6.6+1.2=w-1.2+1.2 7.8=w w=7.8 - its the result
Luke has 25 units of fencing which is the largest rectangle for which he can use the fencing?
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The perimeter of Rectangle should be equal to 25 units as the length of fence is 25 units. So here is one example, length of rectangle is 10 units and width is 2.5 units and perimeter is 2×(l+b) => 2×(10+2.5) => 2×12.5 => 25 units.