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ololo11 [35]
2 years ago
15

30 seventh graders 60% are not participating

Mathematics
2 answers:
zepelin [54]2 years ago
8 0

Answer:

18 are not participating

Step-by-step explanation:

Mamont248 [21]2 years ago
3 0

Answer:

18 are not participating

12 are participating

Step-by-step explanation:

30 divided by 100=0.3

0.3x10=3

3x6=18

30-18=12

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Graph step by step:<br> f(x)=-2x+1
Paul [167]

Step-by-step explanation:

Root:(1/2, 0)

Domain: x∈R

Range: y∈R

Vertical intercept: (0, 1)

4 0
3 years ago
If log(x + y) = log 3 + ½log x + ½log y, prove that x² + y² = 7xy​
Free_Kalibri [48]

Answer:

See Explanation

Step-by-step explanation:

log(x + y) = log3 +  \frac{1}{2} logx+  \frac{1}{2} logy \\  \\ log(x + y) = log3 +    logx ^{\frac{1}{2}} +   logy ^{\frac{1}{2}}\\  \\  log(x + y) = log3 +    log(xy) ^{\frac{1}{2}} \\  \\ log(x + y) =  log[3(xy) ^{\frac{1}{2}}] \\  \\ x + y = 3(xy) ^{\frac{1}{2}} \\  \\ squaring \: both \: sides \\  {(x + y)}^{2}  =  \bigg(3(xy) ^{\frac{1}{2}} \bigg)^{2}  \\  \\  {x}^{2}  +  {y}^{2}  + 2xy = 9xy \\  \\  {x}^{2}  +  {y}^{2}  = 9xy - 2xy \\  \\   \purple{ \bold{{x}^{2}  +  {y}^{2}  = 7xy}} \\ thus \: proved

7 0
3 years ago
Read 2 more answers
A rectangular box is 5 in. ​wide, 5 in. ​tall, and 4 in. long. What is the diameter of the smallest circular opening through whi
Katyanochek1 [597]

Answer:

7 (7.07106781187)

Step-by-step explanation:

All you have to do is find the diameter of the rectangle from two farthest corners. To do this, use the Pythagorean Theorem

(5^2) + (5^2) = c^2

25 + 25 = c^2

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7 ≈ c

8 0
3 years ago
PLEASE HELP ASAP!! (Find the surface area of the prism) SHOW WORK! (Number 6)
Leokris [45]
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SA=28+64+80+(96*2)
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3 0
3 years ago
Compleete the equation of the line whose y-intercept 0-,1 and slope is 4
siniylev [52]

Answer:

y = 4x - 1

Step-by-step explanation:

y = mx + b, m is the slope, b is the y intercept or -1

7 0
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