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Sati [7]
2 years ago
5

3[10-(27÷9) HELP PLEASE​

Mathematics
2 answers:
steposvetlana [31]2 years ago
8 0

Answer:

21

Step-by-step explanation:

You do the parentheses first, so 27/9 = 3

10-3 = 7

3 * 7 = 21

sashaice [31]2 years ago
3 0

Answer: 21

Step-by-step explanation:

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How do you do 1/4 (16x+20)-7x
Ira Lisetskai [31]
Distribute the 1/4:
1/4(16x) + 1/4(20) - 7x

Do the multiplication:
1/4(16x) = 16x/4 = 4x
1/4 (20) = 20/4 = 5

Now you have:
4x + 5 - 7x = 0

Combine like terms (4x and -7x):
-3x + 5 = 0

Subtract 5 from both sides:
-3x = -5

Divide by -3:
x = -5/-3 = 5/3

Answer:
x= 5/3
6 0
3 years ago
A cable company charges a monthly fee for cable service plus an additional $3 for each premium channel. This is given by the fun
svlad2 [7]

Answer:

domain all real numbers

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the cost of his monthly cable is $40.50 when you plug in 4

3 0
3 years ago
Mary stated that 2.01 x 10⁶ is less than 4.8 x 10⁴ because 2.01 is less than 4.8. what was mary's mistake ?
katrin [286]

Answer:

Step-by-step explanation:

Scientific notation is always written as a number between 1 and 9.9999999 repeating. There follows a power of 10. I'm not sure which answer would help you see it clearer but

4.8 * 10^4 the decimal is shifted 4 places the right which is 48000 where you have no numbers, you use zeros.

2.01 * 10^6 means that you shift the decimal 6 places to the right.

2010000

So 2 million is larger than 48 thousand.

The other way to do it is just to look at the power. 6 is more than 4. 6 describes the number of places you move. So does 4. 6>4 so that's the larger number.

4 0
3 years ago
What is the intermediate step in the form (x + a)2 = b as a result of completing the square for the following equation? 6x^2 - 7
tester [92]

Answer:

hi how are you also this is rlly easy

Step-by-step explanation:

5 0
3 years ago
FIRST TO ANSWER GET BRAINLEST <br> Solve for x. 2/3(x−7)=−2 Enter your answer in the box. x =
Alex_Xolod [135]

2/3(x−7)=−2

2(x - 7) = (-2) * (3)

2x - 14 = - 6

2x = 8

 x = 4

3 0
3 years ago
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