3 years ago

Help me please and the last option is 9cm on the left and 12 on bottom

Mathematics

1 answer:

Rasek [7]3 years ago

8 0

The last one is the answer

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Use the Venn diagram to calculate probabilities

Shkiper50 [21]

From the Venn diagram, we can gather that there are 35 total objects (6 in both A and B; 15 in A but not B; 10 in B but not A; and 4 in neither A nor B), and we have the probabilities

$\mathbb P(A\cap B)=\dfrac6{35}$

$\mathbb P(A)=\dfrac{15+6}{35}=\dfrac{21}{35}=\dfrac35$ (this is the answer)

$\mathbb P(B)=\dfrac{10+6}{35}=\dfrac{16}{35}$

By definition of conditional probability,

$P(A\mid B)=\dfrac{P(A\cap B)}{P(B)}=\dfrac{\frac6{35}}{\frac{16}{35}}=\dfrac6{16}=\dfrac38$

$P(B\mid A)=\dfrac{P(B\cap A)}{P(A)}=\dfrac{\frac6{35}}{\frac{21}{35}}=\dfrac6{21}=\dfrac27$

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3 years ago

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If the length of a rectangle is 12 ft. and its area is 84 sq. ft., find the width of the rectangle.

Ket [755]

Area = LxW
84 = 12 x x
84/12 = 7

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3 years ago

HELP!

emmasim [6.3K]

A) Divide the total height by the average height:

26.4 / 1.2 = 22 total boys.

B) Divide total feet by total time:

440 feet / 20 seconds = 22 feet per second.\

Because the submarine is diving the rate would become negative 22 feet per second.

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3 years ago

HELP ME ASAP PLEASE <br> Solve algebraically: <br> —3e^7x+9 = –12

aniked [119]

Answer:

exact form: is 7/7e and decimal form: it is 0.00638317...

Step-by-step explanation:

d o not know step by step can you help me

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If the volume of a cube is 12,167 cubic inches, what is the length of a side of the square?

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3 years ago