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Alla [95]
3 years ago
13

Simplify each expression below. Compare your answers with your classmates answers.

Mathematics
2 answers:
Lynna [10]3 years ago
6 0
1)17
2)33
3)9
4)27
5)1252
6)50

Hope this helped:
romanna [79]3 years ago
3 0

Answer:

1)17

2)33

3)9

4)27

5)1252

6)50

Step-by-step explanation:

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How can I show that 0 is not a natural number​
madam [21]

Answer:

The reason why 0 is not a natural number is because does not have a value which is positive or negative. Therefore, since all real numbers are positive integers, we do not assume that zero is a natural number. Although zero is called a number in its entirety.

Step-by-step explanation:

5 0
3 years ago
Fred has a bakery. He sells 40 cakes in a day. If his sales increased by 120%, how many cakes will he sell in a day?
Nutka1998 [239]
You change 120% into a decimal, 1.20
then you multiply 1.2 by 40

Answer: 48 cakes Fred will sell a day
7 0
3 years ago
Dave has 8000 to invest for 15 years. He finds a bank that offers an interest rate of 3.1% compounded monthly. How much money wi
Lynna [10]

Answer: he will have $12720 after 15 years

Step-by-step explanation:

We would apply the formula for determining compound interest which is expressed as

A = P(1 + r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount deposited

From the information given,

P = $8000

r = 3.1% = 3.1/100 = 0.031

n = 12 because it was compounded 12 times in a year.

t = 15 years

Therefore,

A = 8000(1 + 0.031/12)^12 × 15

A = 8000(1 + 0.00258)^180

A = 8000(1.00258)^180

A = $12720

4 0
3 years ago
Let f(x) = -4x - 2 and g(x) = 5x - 6. Find f*g and state its domain.
elixir [45]

Answer:  The answer is (c) -20x^2+14x-12;\textup{ all real numbers.}

Step-by-step explanation:  Given that there are two functions f and g, defined by

f(x)=-4x-2,\\\\g(x)=5x-6.

We are to find f*g and also its domain.

(f*g)(x)\\\\=f(x)g(x)\\\\=(-4x-2)(5x-6)\\\\=-20x^2+24x-10x-12\\\\--20x^2+14x-12.

Also, its domain will be all real numbers, since the function f*g is defined at all 'x' in real numbers.

Thus, the correct option is

-20x^2+14x-12.

6 0
3 years ago
Read 2 more answers
Solve and explain answer : <br> 11 = 12 -q
Aleks04 [339]

Answer:

q=1

Step-by-step explanation:

So if 11=12-q it's in the simplest form possible so just simply say what number when subtracted from 12 equals 11 and the awnser is q=1

6 0
3 years ago
Read 2 more answers
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