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2 years ago

Please help me on this homework assignment, I'm not sure I got this right.

Mathematics

1 answer:

Burka [1]2 years ago

7 0

Answer:

1,875$ in intrest

Step-by-step explanation:

10000x.0375x5=1875

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Solve the following quadratic equation:

Advocard [28]

Answer:

-3.5 or -6

Step-by-step explanation:

2x^2+19x+40=-2

2x^2+19x+40+2=0

2x^2+19x+42=0

2x^2+(12+7)x+42=0

2x^2+12x+7x+42=0

2x(x+6)+7(x+6)=0

(x+6)(2x+7)=0

either,

x+6=0

x=-6

or,

2x+7=0

2x=-7

x=-7/2

x=-3.5

4 0

2 years ago

A computer chess game and a human chess champion are evenly matched. They play twelve games. Find probabilities for the followin

sleet_krkn [62]

Answer:

The probability that they each win six games is 0.225.

Step-by-step explanation:

Given : A computer chess game and a human chess champion are evenly matched. They play twelve games.

To find : The probability that they each win six games?

Solution :

Applying binomial distribution,

Here n=12 and p=0.5

$P(X=k)=\frac{n!}{k!(n-k)!}\times p^k\times (1-p)^{n-k}$

The probability that they each win six games is k=6.

$P(X=6)=\frac{12!}{6!(12-6)!}\times 0.5^6\times (1-0.5)^{12-6}$

$P(X=6)=\frac{12\times 11\times 10\times 9\times 8\times 7\times 6!}{6\times 5\times 4\times 3\times 2\times 6!}\times 0.015625\times 0.015625$

$P(X=6)=11\times 2\times 3\times 2\times 7\times 0.015625\times 0.015625$

$P(X=6)=0.225$

Therefore, The probability that they each win six games is 0.225.

3 0

3 years ago

55x^ 2 + 62y^2 + 38 − 63X^ 2 + 8<br> combine like terms<br> WILL GIVE BRAINLIEST

Butoxors [25]

Answer:

− 8 x^ 2 + 62 y ^2 + 46

Step-by-step explanation:

heheheh I do math lol

3 0

2 years ago

Read 2 more answers

Given parallelogram PARK.

Tanya [424]

Answer:

Step-by-step explanation:

5 0

3 years ago

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Find the length of line segment GF.

amm1812

Pythagorean theorem
c2 = a2 + b2
71^2 = 43^2 + b2
5041 = 1849 + b2
3192 = b2
b = 56.5 which is answer choice d

8 0

3 years ago