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2 years ago

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Hello please please help please please help me please please help please please help me please please help please please help me

please please help please please help me please

1 answer:

Hatshy [7]2 years ago

7 0

this my pu i can do whast i want

hm im a big girl now

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The mean of the weights of a group of 100 men and women

Arte-miy333 [17]

Answer:

Step-by-step explanation:

160lb.

The mean of the weights of a group of 100 men and women is 160lb. If the number of men in the group is 60 and the mean weight of the men is 180lb, what is the mean weight of the women? For a set of data, the lower quartile is 19, the median is 31, and the upper quartile is 48.

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1 year ago

Fun question for 35 points, 2/3 and 5/8, multiply and explain...

Arlecino [84]

5/12 converted. decimal would be .416666667

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3 years ago

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What is f(-x), if f(x)=2|x|+3x

a_sh-v [17]

F(-x) = 2/-x/ + 3(-x) = 2/x/ - 3x;

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2 years ago

Find the solutions of the quadratic equation 14x^2+9x+10=014x

Vesnalui [34]

Answer:

Option B. $x=-\frac{9}{28}(+/-)\frac{\sqrt{479}}{28}i$

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form $ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$14x^{2}+9x+10=0$

so

$a=14\\b=9\\c=10$

substitute in the formula

$x=\frac{-9(+/-)\sqrt{9^{2}-4(14)(10)}} {2(14)}$

$x=\frac{-9(+/-)\sqrt{-479}} {28}$

Remember that

$i=\sqrt{-1}$

substitute

$x=\frac{-9(+/-)\sqrt{479}i} {28}$

$x=-\frac{9}{28}(+/-)\frac{\sqrt{479}}{28}i$

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3 years ago

Find the equation of the line passing<br> through the points (2, 4) and (3, 2).<br> y = [? ]x + [ ]

PtichkaEL [24]

Answer:

first find slope m

m=(4-2)/(2-3)

m= -2

so equation line is

y-y1=m(x-x1)

y-4=-2(x-2)

y-4=-2x+4

y=-2x+4+4

y=-2x+8

?=-2

7 0

2 years ago