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AfilCa [17]
3 years ago
7

Please help asap! 40 pts

Mathematics
2 answers:
Lena [83]3 years ago
7 0
Y=-1/5x^2
y=-1/3x^2
y=-7x^2
Arisa [49]3 years ago
3 0
C. 1/5 is smallest, then 1/3, then 7.
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What is 1/2 changed to a mixed number
Ivenika [448]

Step-by-step explanation:

\frac{1}{2} =0.5

Where 0 is a whole number and 5 is a decimal or fractional number.

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3 years ago
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There are 120 students in class 7. it is known that 2 3 out of them like maths, out of which 35 are girls. also, out of total st
Bas_tet [7]

maths questions can be solved using unitary method.

<u>Answer:</u>

(a) The total number of girls in the class are 48

(b) The total number of students that like maths are 80

(c) The total number of boys like maths are 45

<u>Solution:</u>

According to the question, \frac{3}{5} of total students are boys

number of boys = \frac{3}{5} × 120 = 72

Also, According to the question, \frac{2}{3} of total students like maths

number of students = \frac{2}{3} × 120 =80

(a) The total number of girls in the class = total number of students - total number of boys

total number of girls in the class = 120 - 72 = 48

(b) The total number of students that like maths are 80

(c) The total number of boys like maths = total number of students that like maths - total number of girls that like maths

total number of boys like maths = 80 - 35 = 45

What is unitary method?

The unitary approach is a strategy for problem-solving that involves first determining the value of a single unit, then multiplying that value to determine the required value.

know more about similar unitary method numericals

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5 0
2 years ago
Simplify -3(3x^2+2y-5)-2(x^2-3x)
inn [45]

Answer:

=7x^2+6x+6y-15

Step-by-step explanation:

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When constructing a perpendicular line through a point on a line, how can you verify that the lines constructed are perpendicula
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C

Step-by-step explanation:

perpecndicular means they intersect in right angle which is 90°, no matter how long lines are.

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3 years ago
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Find the midpoint of the segment with the following endpoints.<br> (-3,8) and (-8, 2)
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Coordinates of the midpoint are (-5.5, 5)

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3 years ago
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