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3 years ago

Please answer the question, i took a picture of it.

Mathematics

2 answers:

PIT_PIT [208]3 years ago

3 0

Answer:

640 is the Answer

Step-by-step explanation:

uranmaximum [27]3 years ago

3 0

Answer:

1360 square inches

Step-by-step explanation:

So to find area, you do bh

b is base

h is height

The base the of the rectangle going vertical in the plus sign is first.

The base is 20 and the height is 44

20 times 44 yields 880

then the two rectangles on either side of the bigger rectangle.

20 is the height, 12 is the base.

20 times 12 yields 240

there are two of those rectangles so

240 times 2 yields 480

480 plus 880 yields 1360

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Plz solve #9 and #10

tiny-mole [99]

9-1 out of 15 tries
10- no

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3 years ago

Event A is a subset of event B. P(A)=.15 and P(B)=.53 Find P(A|B). Round the answer to the nearest hundredth.

ludmilkaskok [199]

If $A\subseteq B$ , then $A\cap B=A$ . So

$\mathbb P(A\mid B)=\dfrac{\mathbb P(A\cap B)}{\mathbb P(B)}=\dfrac{\mathbb P(A)}{\mathbb P(B)}=\dfrac{0.15}{0.53}\approx0.28$

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3 years ago

A culture started with 1,000 bacteria. After 2 hours, it grew to 1,200 bacteria. Predict how many bacteria. Predict how many bac

Alenkasestr [34]

F=ir^t, f=final amount, i=initial amount, r=common ration or "rate", t=times common ration is applied or "time", in this case:

1200=1000r^2 divide both sides by 1000

1.2=r^2 take the square root of both sides

1.2^(1/2)=r so the equation is:

f=1000(1.2)^(t/2), so in 13 hours

f=1000(1.2)^(13/2)

f=1000(1.2)^(6.5)

f≈3271 bacteria (to the nearest whole number)

5 0

3 years ago

Read 2 more answers

The spinner is divided into 10 equal sections. A spinner divided into 10 equal sections labeled 1 through 10. Which event has th

mr_godi [17]

Answer:

spinning a number less than 3

spinning a 4 or 5

spinning a number greater than 8

Step-by-step explanation:

spinning a number less than 3

P(1 or 2) = number of 1 or 2's / total = 2/10 = 1/5 true

spinning a 4 or 5 spinning

P(4 or 5) = number of 4 or 5's / total = 2/10 = 1/5 true

an odd number

P(odd number) = number of 1,3,5,7,9 s / total = 5/10 = 1/2 false

spinning a number greater than 8

P(9 or 10) = number of 9 or 10's / total = 2/10 = 1/5 true

spinning a number less than 8

P(less than 8) = number of 1,2,3,4,5,6,7's / total = 7/10 = false

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3 years ago

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Find the geometric mean between 4 and 25

natima [27]

Multiply 4and 25 then get the sq rt of 100 = 10

4 0

3 years ago