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katen-ka-za [31]
3 years ago
11

A survey in one middle school showed that 3 out of 5 students

Mathematics
1 answer:
Anestetic [448]3 years ago
6 0
Take 3/5 of 485 you got it
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Can you please help me with this worksheet (this is due tomorrow)
Flauer [41]
Jennifer
1. 6
2.26
3.42
4.82

erika
1.7 (erika wrong)
2.15 (right)
3.23 (right)
4.43 (right)



6a. 6 is the right one
2(6+2)-7=9
8 0
3 years ago
Part A: The area of a square is (4x2 + 20x + 25) square units. Determine the length of each side of the square by factoring the
Viktor [21]

Answer:

Step-by-step explanation:

4x² + 20x + 25 = (2x)² + 2* 2x *5 + 5²

{Compare with a² + 2ab + b² = (a+ b)²}

                         = (2x + 5)²

                         = (2x +5)*(2x+5)

Side of the square = 2x+ 5

5 0
2 years ago
Can you guys help me pls
Rama09 [41]

Answer

A

Step-by-step explanation:

So in the diagrams we see there is 2/3 shaded into a 12  cutted square. So we multiply 4x3 to get 12. So now we have to turn the 3 into 12.

so

\frac{2}3} x\frac{4}{4} =\frac{8}{12}

Since we multiplied 4 on the bottom we have to multiply 4 on the top.

sorry im not good at explaining but if you need me to re explain ill work on it. :)

5 0
3 years ago
3/4x + 4/7y = 5/4x -1...solve for y​
Zielflug [23.3K]

Answer:

\frac{3}{4} x +  \frac{4}{7} y =  \frac{5}{4} x - 1 \\  \frac{4}{7} y =  \frac{5}{4} x - 1 - \frac{3}{4} x \\  \\  \frac{4}{7} y =  \frac{5x - 4 - 3x}{4}  \\  \frac{4}{7} y =  \frac{2x - 4}{4}  \\  \\ y = \frac{2x - 4}{4} \div   \frac{4}{7} \\ y =  \frac{2x - 4}{4} \times  \frac{7}{4}  \\  \\ y =  \frac{14x - 28}{16}  \\  \\ y =  \frac{14x}{16}  -  \frac{28}{16}

I hope I helped you^_^

5 0
2 years ago
Suppose you know that ∠S and ∠Y are complementary, and that m∠S = 4(m∠Y) − 210°. Find m∠Y.
EleoNora [17]

Answer:

angle Y= 60 degrees

Step-by-step explanation:

angle S + angle Y = 90 degrees because they are complementary

Y = 90 - S

angle S = 4(Y)-210

substitute for Y

S = 4(90 - S) - 210

S = 360 - 4S - 210

reduce

5S = 150

S = 30

Y = 90 - 30 = 60

4 0
3 years ago
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