2 years ago

HELP ME PLEASE!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Tomtit [17]2 years ago

8 0

Answer:

$Point A = (-\frac{1}{2}, -\frac{1}{4})$

$Point B = (-2\frac{1}{2},1\frac{1}{2} )$

$Point C = (\frac{1}{4},\frac{1}{2})$

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A student ran out of time on a multiple choice exam and randomly guessed the answers for two problems. Each problem had 5 answer

choli [55]

Answer:

there is a 64% chance that the student got both problems wrong

a 32% chance that they got only 1 correct

and a 4% chance that they got both correct

Step-by-step explanation:

There are 25 total possible combinations of answers, with 8 possible combinations where the student would get 1 answer right, and 1 combination where the student would get both answers correct.

$25-9=16$

$\frac{16}{25} =\frac{x}{100}$

$\frac{64}{100}$

$64$ %

$\frac{8}{25} =\frac{y}{100}$

$\frac{32}{100}$

$32$ %

$\frac{1}{25} =\frac{z}{100}$

$\frac{4}{100}$

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3 years ago

(x+2)^2=-9<br><br> Need for a math quiz today please!

Y_Kistochka [10]

Answer:

x=3i-2,x=-3i-2

Step-by-step explanation:

x+2= $\sqrt{-9} : x=- 3i-2$

= x=3i-2,x=-3i-2

Hoped this helps you!! :D

6 0

3 years ago

I need Help please!!

PSYCHO15rus [73]

I think it’s A because the s is between P&Q and S&C if it’s wrong I’m sorry!

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3 years ago

Type the integer that makes the following multiplication sentence true: –3 × = 9

olga nikolaevna [1]

Answer:-3

-3

Step-by-step explanation:

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3 years ago

Find the quotient 6/11 divided by 2/5

Archy [21]

Answer:

1 4/11 or 1.36

Step-by-step explanation:

6/11 ÷ 2/5

6/11 x 5/2 = 30/22

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3 years ago