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3 years ago

Find the area of the figure below. You may assume all sides are perpendicular.

Mathematics

1 answer:

kirza4 [7]3 years ago

5 0

Answer:

I think the answers is 27, just add all of those squares.

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A basketball court is in the shape of a rectangle. It has a length of (x - 7) meters and a width of (x + 3) meters:

Molodets [167]

Answer:

x2 - 4x - 21

Step-by-step explanation:

Area = (x -7 )(x +3)

= x*x - 7*x + x*3 - 7*3

=x2 - 4x - 21

5 0

3 years ago

Kiara has $450 in the bank. After

Novay_Z [31]

$450 - $398.72 = $51.28

6 0

3 years ago

A test consists of 10 true or false questions. To pass the test a student must answer at least eight questions correctly. If the

forsale [732]

<h3>The probability of student passing the quiz with at least 50% of the questions correct is 0.05457.</h3>

Step-by-step explanation:

Here, the total number of T/F question = 10

The minimum answers needed correctly answered = 8

So, student needs to answer at least 8 questions correctly.

Here, the possibility of answering a question correctly = $(\frac{1}{2})$ = p = 0.5

Also, the possibility of answering a question wrong = $(\frac{1}{2})$ = q = 0.5

Now, to pass he needs to answer 8 or more ( 8 , 9 or 10) answers correctly.

P(answering 8 correct answer) = $^{10}C_8(p)^8(q)^2 = ^{10}C_8(0.5)^8(0.5)^2 = 0.0439$

P(answering 9 correct answer) = $^{10}C_9(p)^9(q)^1 = ^{10}C_9(0.5)^9(0.5)^1 = 0.0097$

P(answering 10 correct answer) = $^{10}C_{10}(p)^{10}(q)^0 = ^{10}C_{10}(0.5)^{10}(0.5)^0 = 0.00097$

So, the total Probability = P(8) + P(9) + P(10)

= (0.0439) + (0.0097) + (0.00097)

= 0.05457

Hence, the probability that the student passes the quiz with at least 8 of the questions correct is 0.05457.

6 0

4 years ago

Howto solve for x in X+10=30

Alla [95]

Answer:

Step-by-step explanation:

x+10=30

x=30-10

x=20

<h2>HOPE IT HELPED </h2>

3 0

3 years ago

Read 2 more answers

david packed 16 bags of carrot sticks for the picnic. 7/8 of the bags were eaten. how many bags of carrots were eaten?

tia_tia [17]

Answer:

14 bags are eaten

Step-by-step explanation:

7/8*2/2= 14/16

3 0

2 years ago