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soldier1979 [14.2K]
3 years ago
13

What is 10x -5 + 3x -2

Mathematics
1 answer:
Rus_ich [418]3 years ago
8 0

10x -5 + 3x -2, original equation

10x + 3x = 13x      -5-2=-7

13x -7, final answer

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The area of one face of a cube is 4x².
nirvana33 [79]

Answer:

Step-by-step explanation

5 0
3 years ago
Write using no denominator. (No fraction line is necessary. Use x for multiplication between numbers.)
Wewaii [24]
If you don't want to express this into fractions, then you take the inverse of the exponents in your denominator. For example, 8 would be 8^-1, x^4 would be x^-4, y^3 would be y^-3 and z would be z^-1. Then, just multiply all of them. The final answer would be

3 x 8^-1 x a²b³c^5x^-4y^-3z^-1

I hope my explanation helped you understood the solution :)
7 0
3 years ago
Read 2 more answers
PLEASE HELP!!!
tresset_1 [31]

Answer:

1.In 2017 Ms. Gomes earned $1,060,000

2. The total tax amount paid by Alex  = $30.66

3,The realtor make $20,289.37 if they receive a 4.5% commission.

Step-by-step explanation:

1.  Amount earned by Ms. Gomes  in 2016  = $1,000,000

Now, 6 % of $1,000,000  = \frac{6}{100} \times 1,000,000 = 60,000

So, the total money earned  in 2017 = Money earned in 2016 + 6% raise

= $1,000,000 + $60,000 = $1,060,000

Hence, in 2017 Ms. Gomes earned $1,060,000

2.  The subtotal of all the supplies of Alex  = $345.50

Now, 8.875 % of $345.50  = \frac{8.875}{100} \times 345.50 = 30.66

The tax amount = $30.66

Hence, the total tax amount paid by Alex  = $30.66

3.  The cost of the new apartment purchased   = $450, 875

Now, 4.5 % of $450, 875   = \frac{ 4.5 }{100} \times 450, 875 = 20,289.37

⇒The commission  amount = $20,289.37

Hence, the realtor make $20,289.37 if they receive a 4.5% commission.

6 0
3 years ago
If \dfrac{a}{b}=2 ​b ​ ​a ​​ =2start fraction, a, divided by, b, end fraction, equals, 2, what is the value of \dfrac{4b}{a} ​a
kakasveta [241]
So, we have two equations. The first one is a/b = 2, and the other one is to find the value of 4b/a. In order to solve this, let's find the value of b/a. As you can observe, b/a is the reciprocal of a/b. Therefore, b/a is also the reciprocal of 2. This means that b/a = 1/2. Now, substituting this to the second equation, the answer would be

4b/a = 4(1/2) = 2

The answer is 2.
3 0
3 years ago
What is the length of BC, AC, ED, DK, &’ EK?
Tpy6a [65]

For the truth

am not sure

Answer:

BC = 12, AC = 12, ED = 8, DK = 14, EK = 12

7 0
3 years ago
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