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4 years ago

Find two pairs of integers whose sum is -6

1 answer:

6 0

There are many pairs of integers (whole numbers) that equal -6.

1 + 5
2 + 4
3 + 3
-3 + 9

You can choose from any of those pairs.

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Next time you see an elderly man, check out his nose and ears! While most parts of the human body stop growing as we reach adult

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I see 4 variables in the paragraph. Volume, surface area, height, and width.

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3 years ago

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Alex and Bryan are giving an exam. The probability Alex gets an A is 0.9, the probability Bryan gets an A is 0.8 and the probabi

VARVARA [1.3K]

Answer:

The probability that either Alex or Bryan get an A is 0.9

Step-by-step explanation:

Before we proceed to answer, we shall be making some important notation;

Let A = event of Alex getting an A

Let B = event of Bryan getting an A

From the question, P(A) = 0.9, P(B) = 0.8 and P(A ∩ $B^{c}$ ) = 0.1

We are to calculate the probability that either Alex or Bryan get an A which can be represented as P(A ∪ B)

We can use the addition theorem here;

P(A ∪ B) = P(A) + P(B) - P(A ∩ B) .......................(i)

Also,

P(A) = P(A ∩ $B^{c}$ ) + P(A ∩ B) .........................(ii)

We can insert ii into i and we have;

P(A ∪ B) = P(A ∩ $B^{c}$ ) + P(A ∩ B) + P(B) - P(A ∩ B) = P(A ∩ $B^{c}$ ) + P(B) = 0.1 + 0.8 = 0.9

5 0

3 years ago

john invested $2000 that earn interest at 4% per annum compounded monthly. two year later the interest rate is 4.50% compounded

Ksju [112]

Answer:

$\$2,369.11$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

Part 1)

$t=2\ years\\ P=\$2,000\\ r=0.04\\n=12$

substitute in the formula above

$A=2,000(1+\frac{0.04}{12})^{12*2}$

$A=2,000(1.0033)^{24}$

$A=\$2,166.29$

Part 2)

$t=2\ years\\ P=\$2,166.29\\ r=0.045\\n=4$

substitute in the formula above

$A=2,166.29(1+\frac{0.045}{4})^{4*2}$

$A=2,166.29(1.01125)^{8}$

$A=\$2,369.11$

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3 years ago

HALP<br> PLLLLLLZZZZZZZ<br> ILL GIVE U BRAINLIEST!!

insens350 [35]

The answer to your question is A

8 0

3 years ago

Evaluate the expression 2(x-5) - 3(x-6)

Nataly_w [17]

Answer:

−x+8

Step-by-step explanation:

Hope this helps :)

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3 years ago

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