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KatRina [158]
3 years ago
11

Helppp plsssss!! AsapThanks

Mathematics
1 answer:
lubasha [3.4K]3 years ago
3 0

Answer:

Ithink the answers B

Step-by-step explanation:

I think this because its even


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2/7 of the pupils in Year 9 say their favourite colour is red. There are 119 pupils in Year 9. How many students said red is the
aev [14]

Answer:

34 say red is their favorite color

Step-by-step explanation:

Take the number of students and multiply by the fraction that like red

2/7 * 119

34

8 0
3 years ago
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What is 3 increased by 250%? Decreased by 100%? Decreased by 150%?
Elden [556K]

Answer:

a) 3*3.5=10.5

b)3*0=0

c)3*-0.5=-1.5

5 0
3 years ago
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Find the area bounded by the curve y = x 1/2 + 2, the x-axis, and the lines x = 1 and x = 4 A. 16 B. 10 2/3 C. 7 1/2 D. 28 1/2
jeka94
To find the area of the curve subject to these constraints, we must take the integral of y = x ^ (1/2) + 2 from x=1 to x=4
Take the antiderivative: Remember that this what the original function would be if our derivative was x^(1/2) + 2 
antiderivative (x ^(1/2) + 2) =  (2/3) x^(3/2) + 2x
* To check that this is correct, take the derivative of our anti-derivative and make sure it equals x^(1/2) + 2

To find integral from 1 to 4:
Find anti-derivative at x=4, and subtract from the anti-derivative at x=1
2/3 * 4 ^ (3/2) + 2(4) - (2/3) *1 - 2*1
2/3 (8) + 8 - 2/3 - 2                               Collect like terms
2/3 (7) + 6                                             Express 6 in terms of 2/3
2/3 (7) + 2/3 (9)
2/3 (16) = 32/3 = 10 2/3          Answer is B

6 0
3 years ago
Fine the mean and range 20 14 29 39 25 19 35
Anika [276]

First to find the mean add up all the numbers

20+14+29+39+25+19+35

which is equal to 181 now divide that number by the amount of numbers in the set, at which there are 7

So divide 181 by 7

181/7=25.86

Now round

So the mean is 26


To find the range subtract the least number from the greatest number

In which the two numbers need here are 14 and 39

39-14=15

So the range is 15

7 0
2 years ago
Help me 2x-4y-3(7x-2y)
Zinaida [17]

Let's simplify the above expression :

  • 2x - 4y - 3(7x - 2y)

  • 2x - 4y - 21x + 6y

  • - 19x + 2y
4 0
2 years ago
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