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AnnZ [28]
3 years ago
10

Subtract:

Mathematics
1 answer:
pickupchik [31]3 years ago
3 0

Answer: first question answer is 3x^3+6x^2-24x+27

Second question answer=a^2-ab

Step-by-step explanation:

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What is the value of k in the equation StartFraction k Over 3 EndFraction minus 5 = 34?
12345 [234]

\huge\text{$k=\boxed{117}$}

\displaystyle\frac{k}{3}-5=34

To find the value of k, we need to isolate it on one side of the equation. Add 5 to both sides of the equation, then multiply both sides of the equation by 3.

\displaystyle\begin{aligned}\frac{k}{3}-5+5&=34+5\\\frac{k}{3}&=39\\\frac{k}{3}*3&=39*3\\k&=\boxed{117}\end{aligned}

4 0
3 years ago
Read 2 more answers
Why can't you have a shoe size of 4.5 and a height of 72 inches?
liq [111]

Answer:

Ok, lemme say something.

4.5 shoes are for 9 inch feet.

Dont think a 6 foot person is gonna fit tbh.

Step-by-step explanation:

A shoe size is for relation to feet size. Your feet grow from your height too, along with weight. If you are 6 feet, your feet are gonna be more than at least 1 foot.

4.5 shoes are for 9 inch feet

1 foot = 12 inches.

12 > 9.

12-9=3.

5 0
3 years ago
The employees of a company were surveyed on questions regarding their educational background (college degree or no college degre
taurus [48]

Answer: D) 0.733.

Step-by-step explanation:

Let C denotes the number of employees having college degree and S denote the number of employees are single.

We are given ,

Total = 600 , n(C)=400  , n(S)=100 , n(C∩S)=60

Then,

n(C\cup S)=n(C)+n(S)-n(C\cap S)\\\\=400+100-60=440

Now, the probability that an employee of the company is single or has a college degree is

P(C\cup S)=\dfrac{n(C\cup S)}{\text{Total}}\\\\=\dfrac{440}{600}=0.733333333\approx0.733

Hence, the probability that an employee of the company is single or has a college degree is 0.733

8 0
3 years ago
A shopkeeper marks his goods at 40% above cost (the price he pays for the goods) and then offers a 25% discount.if a jacket cost
Pachacha [2.7K]

Answer:

A shopkeeper marks:

$200 * 1.4 = $280

Step-by-step explanation:

With a discount of 25%:

$280 * 0.75 = $210

3 0
3 years ago
Grapes cost $1.55 per pound. What equation is used to find c the total cost of p pounds of grapes?
Kamila [148]
C=$1.55p

Is this what you need?
Hope this helps and hope you have a great day
4 0
3 years ago
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