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3 years ago

You are dealt one card from 52 card deck. Find the possibility that you are dealt a heart or a picture card

Mathematics

1 answer:

PIT_PIT [208]3 years ago

7 0

Answer:

Step-by-step explanation:

Since we have 13 heart card then

p(heart) = 13/52

Since we have 12 picture card then

p(picture) = 12/52

Since we have 3 heart and picture (at the same time) card then

p(heart∩picture) = 3/52

finally,

the possibility that you are dealt a heart or a picture card = p(heart or picture)

p(heart or picture) = 13/52 + 12/52 - 3/52 = 22/52

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Suppose a rescue helicopter is 700 feet above sea level descends 300 feet to search for debris or any other signs of a submarine

Harlamova29_29 [7]

700-300+200=600
600+122=722

ANS 722

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3 years ago

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$1000 in a savings account where his money is compounded continuously at 6%. How long will it take him to have $1200 in his bank

Alex_Xolod [135]

Years = Natural Logarithm(Total / Principal) / rate
Years = ln (1,200 / 1,000) / .06
Years = ln (6 / 5) / .06
Years = ln (1.2) / .06
Years = 0.18232155679 / .06
Years = 3.0386926132 
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answer is B

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3 years ago

Sally wonders if all powders dissolve in water. She decides to see what happens with flour, cornstarch, powdered sugar, and baby

love history [14]

I dot have idea what is this my g sorry

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3 years ago

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Find the value of x. Please help! Thanks.

emmasim [6.3K]

Answer:

$\huge\boxed{x=\sqrt{30}}$

Step-by-step explanation:

ΔABC and ΔBDC are similar (AAA).

Therefore the corresponding sides are in proportion:

$\dfrac{AC}{BC}=\dfrac{BC}{CD}$

substitute

$AC=7+3=10\\{BC}=x\\CD=3$

$\dfrac{10}{x}=\dfrac{x}{3}$ cross multiply

$(10)(3)=(x)(x)\\\\30=x^2\\\\x^2=30\to x=\sqrt{30}$

8 0

3 years ago

I really need help with this: [image linked below]

klio [65]

1 & 5 are corresponding because they are in the same place on the lines.
1 & 8 are alternate exterior because they are on opposite sides of the transversal and they are on the outside of the parallel lines.
2 & 6 are corresponding.
2 & 7 are alternate exterior.
3 & 5 are alternate interior because they are on opposite sides of the transversal, and they are in between the parallel lines.
3 & 6 are consecutive interior angles because they are on the same side interior of the parallel lines.
3 & 8 are corresponding.
4 & 5 are consecutive interior.
4 & 6 are alternate interior.
4 & 7 are corresponding.

Hope this helps you now and in the future =)

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3 years ago