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KengaRu [80]
3 years ago
11

-3(4+(-7))+(2(5)-17) Solve with 5 steps

Mathematics
2 answers:
Sonja [21]3 years ago
6 0
This would be the answer and the steps hope this helps

KiRa [710]3 years ago
4 0

Answer:

2

Step-by-step explanation:-3 (4 - 7) + (2 x 5 - 17)

                                             -3 (4 - 7) + (10 - 17)

                                              -3 x (-3) + (-7)

                                                  9 + (-7)

                                                     9 - 7

                                                       =2

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a factory makes parts for toys in different quantities,as shown in the table. how much would 11 parts costs
4vir4ik [10]

Answer:

I've seen this question before :)

Step-by-step explanation:

Divide $0.90 by 2 to get the cost per part. You get $0.45.

To get the cost of 11 parts, multiply $0.45 by $11.  

The answer is $4.95.


Cheers, July.

8 0
2 years ago
a balloon at standard pressure is placed in a cool oven at 20 degrees celsius. the balloon is removed from the oven when the int
alisha [4.7K]

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Step-by-step explanation:

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8 0
3 years ago
How do I solve this and what’s the answer? This is due at 11:59 pm on 2/9/21 PLEASE HELP!
Vinil7 [7]

Answer:

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6 0
3 years ago
Solve the equation:<br> [3 2<br> 5 5]<br><br> [x1<br> x2]+<br> [1<br> 2]=<br> [2<br> -3]
dsp73

9514 1404 393

Answer:

  (x1, x2) = (3, -4)

Step-by-step explanation:

As with any 2-step linear equation, subtract the constant, then multiply by the inverse of the coefficient of the variable.

  \left[\begin{array}{cc}3&2\\5&5\end{array}\right]\left[\begin{array}{c}x\\y\end{array}\right]+\left[\begin{array}{c}1\\2\end{array}\right]=\left[\begin{array}{c}2\\-3\end{array}\right]\\\\\left[\begin{array}{cc}3&2\\5&5\end{array}\right]\left[\begin{array}{c}x\\y\end{array}\right]=\left[\begin{array}{c}1\\-5\end{array}\right]\\\\\left[\begin{array}{c}x\\y\end{array}\right]=\dfrac{1}{5}\left[\begin{array}{cc}5&-2\\-5&3\end{array}\right]\left[\begin{array}{c}1\\-5\end{array}\right]

Performing the multiplication of the matrix by the vector gives the solution.

  x = ((5)(1) +(-2)(-5))/5 = 15/5 = 3

  y = ((-5)(1) +(3)(-5))/5 = -20/5 = -4

Using your variables, x1, x2, the solution is ...

  (x1, x2) = (3, -4)

7 0
3 years ago
A multiple-choice test consists of 10 questions. Each question has answer choices of a ,b c, d ,e , and , and only one of the ch
aalyn [17]
Its easier to find the complement of that instead
so you find the probability of 1 and 0
The .2 in the answer is the probability of each question 1/5
  (10 C 0) x .2^0 (1-.2)^10-0=.1074
 (10 C 1) x .2^1 (1-.2)^10-1=.2684
.2684+.1074=.3758 and that's the complement
so 1 - .3758= .6242
I too have a stats exam on this tomorrow lol
4 0
3 years ago
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