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ratelena [41]
3 years ago
6

Grace sureyed 60 random students in her school.Of these 14 said they enjoy watching Dancing with the star.A total of 570 student

s in the school. How many these are expected to enjoy dancing with the Stars?
Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
4 0
I think it is 133 students that like Dancing with the stars
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4x-2y=7<br> -3x+3y=10<br> Find the point of intersection of the equations
garri49 [273]
4x-2y=7 (1)
-3x+3y=10 (2)
3y= 3x+10
y= x+10/3 (3)
sub (3) into (1)
4x-2(x+10/3)=7
4x-2x-20/3=7
2x-20/3=7
    +20/3  +20/3
2x= 41/3
x= (41/3) / 2
x= 41/6
sub x= 41/6 into (3)
y= 41/6+10/3
= 61/6

Therefore the point of intersection is (41/6, 61/6) 
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3 years ago
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Y=12.5x
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A quadrilateral is shown. One pair of opposite sides have lengths of 10 inches and (x + 2) inches. The other pair of opposite si
ziro4ka [17]

Step-by-step explanation:

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Step-by-step explanation:

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A plane seats 480. If 3/4 of the seats were full, how many people were on the plane? (Multiplying Rational Numbers)
ololo11 [35]

Your equation is just to multiply 480 by 3/4.

Easy way to do these quick.

480 (3/4) is the same as (480 * 3) / 4

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By simplifying, you are left with just 120 * 3 in the numerator

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If you need to check your answer:

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