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Snezhnost [94]
3 years ago
11

Simplify −0.6(−6.3) answer??

Mathematics
2 answers:
Leno4ka [110]3 years ago
7 0
3.78
All you need to do is plug in the numbers to your calculater, but since I'm guessing your in grade school, and they don't allow calculaters yet, you would need to understand that when two negatives multiply each other, they become positive, so you can just put 
    0.6
 x 6.3
---------
and then just multiply as usual (ignore the decimals for now)
and then you would get 378.
Now, what you would do is because there is too decimal points in the two numbers you are multiplying, you put them into 378, making it 3.78.]

I'm sorry if it was confusing, I hope it helped!
vazorg [7]3 years ago
3 0
Negative  x  negative = positive

-0.6 x -6.3 = 3.78
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If an object is rotated clockwise 130° around a center and then counterclockwise 75° around the same center, what is the angle b
Keith_Richards [23]
That would be 130 - 75  = 55 degrees answer
6 0
3 years ago
Nando is on a rehabilitation program following a car accident. For the first month, he needs to exercise at most five hours per
emmasim [6.3K]

Answer:

See explanation

Step-by-step explanation:

Let x be the number of hours per week Nando is brisk walking  and y be the number of hours per week Nando is  biking at a moderate pace.

For the first month, he needs to exercise at most five hours per week, then

x+y\le 5

Brisk walking burns about 350 calories per hour, then it burns 350x calories per x hours.

Biking at a moderate pace burns about 700 calories per hour, then it burns 700y calories per y hours.

Nando must burn at least 2,000 calories per week, so

350x+700y\ge 2,000

You get the system of two inequalities:

\left\{\begin{array}{l}x+y\le 5\\ 350x+700y\ge 2,000\end{array}\right.

The attached graph shows the solution set to this system of inequalities. In this diagram, red region represents the solution set to the first inequality, blue region represents the solution set to the second inequality and their intersection is the solution set to the system of two inequalities.

4 0
3 years ago
Arianna runs up 4 flights of stairs and then runs down 4 flights of stairs. Does this situation represent additive inverses?
SVETLANKA909090 [29]
No because she runs up yes but she also ran down witch means she went exactly 0
3 0
3 years ago
Read 2 more answers
Need help asap!!!!!!!!!
tatuchka [14]

Answer:

<h2>-3400</h2>

Step-by-step explanation:

In general, a geometric sequence is given by:

<h3>a,ar,ar^2,⋯,ar^n−1 </h3>

In the sequence 20, - 40 , 80,…

First term, a1 = 20

Common ratio, r = - 40 ÷ 20 = - 2

The nth term is = 9th

Sum of finite geometric series : Sn= ( a1 - a1r^n ) / ( 1 - r)

S9 = ( 20 - 20 x (- 2)^9 ) / ( 1 - ( - 2) )

S9 = ( 20 - 20 x - 512 ) / ( 1 + 2 )

S9 = ( 20 - 10240<em> </em>) / ( 3 )

S9 = ( - 10220 ) / 3

<h3>S9 = - 3400 <u>Answer</u> </h3><h2>Hope it's help you.... ^_^❤️</h2>

5 0
2 years ago
Read 2 more answers
At a particular​ college,
Nataly [62]

75% = 3225

1% = 3225 ÷ 75 = 43

100% = 43 x 100 = 4300


Answer: 4300

3 0
3 years ago
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