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stealth61 [152]
3 years ago
12

Multiply (x-3)(4x+2) using the FOIL method

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
8 0
(x-3)(4x+2)

first, outer, inner, last

4x^2 + 2x + -12x + -6

simplify:
4x^2 – 10x – 6
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Which expression is equivalent to (-8) - (-2)
gregori [183]

Answer:

-6

Step-by-step explanation:

-8  - (-2)

A negative negative is a positive

-8+2

-6

7 0
3 years ago
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Henry is up for retirement after 35 long years at his pharmacy. Before retiring, he would like to know how much he would receive
satela [25.4K]

To find how much Henry can expect to receive from Social Security on a monthly basis, we first need to find how much he cant expect to receive from social security per year.

We know form our problem that Henry averaged an annual salary of $45,620, so to find how much can Henry expect to receive from Social Security per year, we just need to find the 42% of $45,620.

To find the 42% of $45,620, we are going to convert 42% to a decimal by dividing it by 100%, and then we are going to multiply the resulting decimal by $45,620:

\frac{42}{100} =0.42

Social security annual payment = (0.42)($45,620) = $19,160.40

Since there are 12 month in a year, we just need to divided the social security annual payment by 12 to find how much he can expect to receive each month.

Social security monthly payment = \frac{19,160.40}{12} = $1.596.70

We can conclude that Henry can expect to receive $1.596.70 monthly from Social Security.

3 0
3 years ago
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What is $3.850 - $925 ?
forsale [732]

Answer:

-921.15 US$ but if the decimal is supposed to be 38.50-925

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7 0
3 years ago
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In a factory there are 100100 units of a certain product, 55 of which are defective. We pick three units from the 100 units at r
Nadya [2.5K]

Answer:

There is a 33.67% probability that exactly one of them is defective.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Here, we can have different formats. For example, D-ND-ND is the same as ND-D-ND, that is, the ordering is not important. So we use the combinations formula.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

Desired outcomes

One defective(one from a set of 55) and two non defective(two from a set of 45). So

D = C_{55,1}*C_{45,2} = \frac{55!}{54!1}*\frac{45!}{43!2!} = 55*45*22 = 54450

Total outcomes

Three from a set of 100. So

T = C_{100,3} = \frac{100!}{97!3!} = 161700

What is the probability that exactly one of them is defective

P = \frac{D}{T} = \frac{54450}{161700} = 0.3367

There is a 33.67% probability that exactly one of them is defective.

4 0
3 years ago
Solve two step equations 18=-1/2x-7
lana66690 [7]

Answer:

X=-50

Step-by-step explanation:

18=-1/2x-7

-1/2x=18+7...... this is first step

X=25/(-1/2)...... the 2nd step

X=-50

7 0
3 years ago
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