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3 years ago

FIRST TO ANSWER GETS BRAINLYIST there is no question

Mathematics

2 answers:

Sergeu [11.5K]3 years ago

6 0

Dam i’m not first :(

UNO [17]3 years ago

4 0

Answer:

Step-by-step explanation:

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25 POINTS Trina's Toy Company charges $0.85 per pound to ship toys.

d1i1m1o1n [39]

Answer:

Part A

C = $.85p

For 2 pounds , the charge is $1.70

Part B

C = $.05 * p

Step-by-step explanation:

Part A

Cost = charge per pound * pounds

We know the charge per pound is $.85

C = $.85 * p

We want to ship 2 pounds

C = .85*2

C = 1.70

Part B

Cost = charge per pound * pounds

We know the charge per pound is now $.05

C = $.05 * p

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3 years ago

A bag contains 3 blue marbles, 7 red marbles, and 5 yellow marbles. If Joe picks 1 marble from the bag at random, what is the pr

fomenos

You just add all the marbles which is 15 marbles. Then how many blue ones are there 3. So you just do blue out of the whole. So your answer is 3/15

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3 years ago

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Solve x2 - 8x - 9 = 0. Rewrite the equation so that it is of the form x2 + bx = c.

barxatty [35]

Answer:

x=9,-1 and $x^2+(-8)x=9$

Explanation:

we have been given with the quadratic equation $x^2-8x-9$

we compare the given quadratic equation with general quadratic equation

general quadratic is $ax^2+bx+c=0$

from given quadratic equation a=1,b= -8,c= -9

substituting these values in the formula for discriminant $D=b^{2}-4ac$

$D=(-8)^2-4(1)(-9)=100$

Now, to find the value of x

Formula is $x=\frac{-b\pm\sqrt{D}}{2a}$

Now, substituting the values we will get

$x=\frac{-(-8)\pm\sqrt{100}} {2}= \frac{8\pm10}{2}=9,-1$

And rewritting the given equation by shifting 9 to right hand side of the given equation and taking minus inside the bracket so as to convert it in the form of

$x^2+bx=c$

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3 years ago

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Assume that the probability of a driver getting into an accident 5.3% and the average cost of an accident is $16,806.25 and the

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A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that the distr

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Step-by-step explanation:

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