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Soloha48 [4]
3 years ago
10

There are 200 students and 50 2nd graders what percent are 2nd graders teachers

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
4 0
25% are 2nd graders hope this helped
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John ran 6 2/3 miles last week he ran 1 1/3 miles each day how many days did he run
Murljashka [212]

6\frac{2}{3} = \frac{3(6) + 2}{3} = \frac{20}{3} miles

1\frac{1}{3} = \frac{3(1) + 1}{3} = \frac{4}{3} miles/day

\frac{20}{3} miles ÷ \frac{4}{3} miles/day

= \frac{20(miles)}{3} * \frac{3(days)}{4 (miles)}

= \frac{20(3) days}{3(4)} = \frac{20 days}{4} = 5 days

Answer: 5 days

4 0
2 years ago
Solve the following system of equations algebraically:<br> Y = x^2 + 8x – 9<br> Y = 2x + 7
julia-pushkina [17]
Use simultaneous equations:
2x + 7 = x^2 + 8x - 9
7 = x^2 + 6x - 9
16 = x^2 + 6x
+ or - 4 = 7x
answer is
-4/7 or 4/7
3 0
2 years ago
How are the measures of the angles of an equilateral triangle related?
mafiozo [28]
I believe the answer is B
4 0
3 years ago
Read 2 more answers
Find the value of x that will make A||B<br> A-<br> 2x + 50<br> 5x - 80<br> B-<br> x = [?]
LenKa [72]

Answer:

15

Step-by-step explanation:

If A||B then the sum of given angles must be equal to 180°

2x + 5 + 5x - 80 = 180 add like terms

7x - 75 = 180 subtract 75 from both sides

7x = 105 divide both sides by 7

x = 15

8 0
3 years ago
Read 2 more answers
Suppose f(x) = x^2. What is the graph of g(x) =f(4x)?
Alika [10]

Answer:

your y-intercept is 0 and slope is 4 so any line with zero slope it will be horizontal

6 0
2 years ago
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