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Ahat [919]
4 years ago
15

Simplify the expression.

Mathematics
1 answer:
Kobotan [32]4 years ago
6 0

Answer:

5.1

Step-by-step explanation:

(-44.288-31.6)/ -3.1(6-1.2) Open the bracket below with -3.1

(-44.288-31.6)/(-18.6+3.72)

(-75.888)/(-14.88) The minus sign cross each other out

=5.1

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The minute hand of Big Ben is 14 feet long and the hour hand is 9 feet long. What is the distance between the tips of the hands
zimovet [89]
When it is 3:00 the minute hand and the hour hand would form a 90 degree angle making a right triangle. If you use the Pythagorean theorem you can find the distance between the tips of the hands.
14^2+9^2=x^2
196+81=x^2
277=x^2
X=16.64ft when rounded
6 0
4 years ago
2/3y+1=1/6y+8 equals what
pickupchik [31]
Explanation:

2/3y+1=1/6y+8
Multiply both sides of the equation by 6 you get
4y+6=y+48


4y+6=y+48
Move variable to the left side and change its sign
4y-y+6=48


4y-y=48-6
Collect like terms
3y=48-6


3y=42
Divide both sides of the equation by 3 and your final answer is
y=14


You’re answer is: y=14 :)


8 0
3 years ago
Write the slope-intercept equation of a line parallel to y = 3x + 2 that
AURORKA [14]
Parallel lines have the same slope, in this case 3.

To find the y intercept we plug in the points (2,1) into y=mx+b, with 2 being x and 1 being y.

1=3(2) + b
Solve this and you get -5 as the y intercept.

The equation is y=3x-5
8 0
3 years ago
Can someone help??plzzz..
Sav [38]
When you are multiplying 2 numbers with exponents, you need to add the exponent. When you multiply an exponent with an exponent, you multiply them.

So,
(3^2 x 7^4) ^9
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= 21 ^6x9
21^54
The same rule applies for variables, just pretend there is an imaginary 1.
4 0
4 years ago
Enter the slope-intercept equation of the line that has slope 12 and y-intercept<br> (0,3).
Nadya [2.5K]

Answer:

y=12x+3

Step-by-step explanation:

The slope-intercept form is y=mx+b. In the equation for slope-intercept form m=slope and b=y-intercept. You have the slope and y-intercept so all you have to do is put them in the right places. Since the slope is 12 your put the 12 where the m is and get y=12x+b. Then since you know the y-intercept is (0,3)=3 then you just need to put the 3 where the b is to get y=12x+3.

Hope this helps!!!

4 0
3 years ago
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