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3 years ago

8

What is (-1/2) in mathematics

1 answer:

nexus9112 [7]3 years ago

5 0

Answer: One half is the irreducible fraction resulting from dividing one by two (2) or the fraction ... One half often appears in mathematical equations, recipes, measurements

Step-by-step explanation: For example, if you wish to halve the fraction 5/7, write “* 2” beside the denominator “7.” There is no operation to perform to the numerator. Multiply the denominator by 2 to halve the fraction. Using the same example, 7 * 2 = 14. This means that half of 5/7 is 5/14.

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Which is the Area of a circle with a diameter of 7 units?

saul85 [17]

Area of a circle = (3.14) * r^2
d = 7
r = 3.5

a = (3.14) * 3.5^2
a = (3.14) * 12.25
a = 38.47

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3 years ago

(5+5i)(5-5i)=what????

Irina18 [472]

(First,Outer,Inner,Last)
25-25i+25i-25
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3 years ago

Read 2 more answers

PLZZZZ HELPPPPPPPPP!!!! a survey asks teachers and students whether they would like the new school mascot to be a Viking or a Pa

VARVARA [1.3K]

Answer:

B

Step-by-step explanation:

Two events A and B are called independent, when

$P(B|A)=P(B),$

where $P(B|A)$ is the probability that B occurs given that A has already occurred.

A = randomly selected person is a student

B = randomly selected person prefer "Vikings"

B|A = randomly selected student prefer "Vikings"

Probabilities:

$P(A)=\dfrac{100}{125}=\dfrac{4}{5}=0.8\\ \\P(B|A)=\dfrac{80}{85}=\dfrac{16}{17}\approx 0.94$

Since

$0.80\neq 0.94$

we can state that events are not independent.

8 0

3 years ago

Read 2 more answers

Plzzzz answer question 14

viktelen [127]

Its D because when you use some graph paper point A and point B are 6 units away from each other

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3 years ago

When solving the system using the additional/elimination method, which variables will cancel?

iogann1982 [59]

Answer:

the x terms

Step-by-step explanation:

there is a +x and a -x.

x-x=0,

x will cancel out

6 0

3 years ago