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2 years ago

Why is there a 1/2 in this formula for the area of a trapezoid?

Mathematics

1 answer:

aleksandrvk [35]2 years ago

7 0

A simple answer is that any given trapezoid with height h and length of the parallel lines a and b, is half of a parallelogram with an area of (a+b) x h. Since the trapezoid is half of this, it is h(a+b)/2

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2.8x = -9.24 A. 12.04 B. -0.3030 C. 12.04 D. -3.3

Hunter-Best [27]

Answer:

D. -3.3

Step-by-step explanation:

=> 2.8x = -9.24

=> x = -9.24/2.8

=> x = -3.3

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3 years ago

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What is a fraction five sentences or more

sukhopar [10]

A fraction is a way of showing a division by showing the number you are dividing and the number you are dividing by. The number you are dividing is called the numerator. It goes above a horizontal line. The number you are dividing by is the denominator and it goes below the horizontal line. When typing, a slash takes the place of the horizontal line.

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3 years ago

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Solve y = x + 4 for x. x = y − 4 x = y + 4 x = −y + 4 x = −y − 4

finlep [7]

Answer:

x=y-4

Step-by-step explanation:

y=x+4

-4

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3 years ago

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Find the probability of at least 6 failures in 7 trials of a binomial experiment in which the probability of success in any one

ziro4ka [17]

The probability of at least 6 failures in 7 trials of a binomial experiment in which the probability of success in any one trial is 9% will be 0.000343311 %

<h3>What is the probability?</h3>

Probability is synonymous with possibility. It is concerned with the occurrence of a random event.

Probability can only have a value between 0 and 1. Its simple notion is that something is very likely to occur. It is the proportion of favorable events to the total number of events.

No of failure,n = 7

No of trials,x≥6

A binomial probability is represented as;

$\rm P(x) = nC_x p^z(1-p)^{n-r}$

Substitute the given data;

$P(x \geq 6) = 7C_6 \times 9^6 \times 91-9)^{7-6} +7C_7 (9)^7+(1-9)^{(7-7)}$

$\rm P(x \geq 6) = 0.000000343311 \\\\ P(x \geq6)=0.000343311 \%$

Hence,the probability of at least 6 failures in 7 trials of a binomial experiment in which the probability of success in any one trial is 9% will be 0.000343311 %

To learn more about probability, refer to the link: brainly.com/question/795909.

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2 years ago

5. Noah is depositing money in his account every week

jeka57 [31]

Answer:

-60/7 or -8 4/7 would be the answer

8 0

3 years ago