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GaryK [48]
3 years ago
15

Jose Is 4 years older than Carla. If the sum of their age is 27, how old are they now?

Mathematics
1 answer:
Vlad1618 [11]3 years ago
5 0

if jose is the one that is 27 then carla is 24 if its carla who is 27 then jose is 31

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5
taurus [48]

Answer:

6 feet

Step-by-step explanation:

Since there are 8 bricks and each brick is 9 inches long, that is a total of 72 inches. Now, you need to convert it from inches to feet. Since 1 foot is 12 inches, we need to divide 72 by 12 to get the number of feet. 72 / 12 is equal to 6.

6 0
3 years ago
Suppose that you randomly draw one card from a standard deck of 52 cards. After writing down which card was drawn, you replace t
34kurt

Answer:

The probability is 0.0775

The expected value is 4.75 clubs

The standard deviation is 1.8875 clubs

Step-by-step explanation:

The variable X follows a binomial distribution, because we have n identical and independent events (19 cards) with a probability p of success and 1-p of fail (there is a probability of 1/4 to be club and 3/4 to be diamond, heart or spade). Then, the probability that x of the n cards are club is:

P(x)=\frac{n!}{x!(n-x)!}*p^{x}*(1-p)^{n-x}\\P(x)=\frac{19!}{x!(19-x)!}*0.25^{x}*(0.75)^{19-x}

So, the probability P of drawing at least 8 clubs is:

P = P(8) + P(9) + P(10) + ... + P(18) + P(19)

Replacing, the values of x, from 8 to 19, on the equation above, we get:

P = 0.0775

Additionally, the expected value E(x) and standard deviationS(x) for this distribution is given by:

E(x)=np = 19(0.25) = 4.75

S(x)=\sqrt{np(1-p)} =\sqrt{19(0.25)(0.75)} =1.8875

8 0
3 years ago
From the yearbook receipts the students council deposited apart of the $1200 in a saving account receiving 9% interest per annum
Naddika [18.5K]
There was $800 deposited at 9% interest and $400 deposited at 4% interest.

The formula for simple interest is I = prt.  Using our information we have:

88 = x(0.09)(1) + (1200-x)(0.04)(1)
88 = 0.09x + 48 - 0.04x
88 = 0.05x + 48

Subtract 48 from both sides:
88 - 48 = 0.05x + 48 - 48
40 = 0.05x

Divide both sides by 0.05:
40/0.05 = 0.05x/0.05
x = 800
1200 - x = 400
8 0
3 years ago
HELP PHOTO INCLUDED URGENT Please
LUCKY_DIMON [66]
Lola is incorrect because the width is half of the length as stated before.
4 0
3 years ago
A box contains 1 4/5 pounds of pasta. How many ounces of pasta are<br> in the box
Scorpion4ik [409]

Answer: 1 4/5 pounds is equal to 28.8 ounces

Step-by-step explanation:

1 pound is equal to 16 ounces.

6 0
2 years ago
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