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baherus [9]
3 years ago
6

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.

Mathematics
1 answer:
babymother [125]3 years ago
4 0

Answer:

Answer:

Total number of cards = 32(4) or y=32(4)

Roberto had 128 cards.

Step-by-step explanation:

Consider the provided information.

Part (A)

He gave his four friends 32 baseball cards each.

Let the number of cards he have before giving them to his friends is y.

This can be written as:

y = 32(4)

Part  (B)

Now solve the above equation as shown.

y = 32(4)

Multiply 32 with 4

y = 128

Hence,  Roberto had 128 cards.

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Dmitriy789 [7]
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5 0
3 years ago
Which ordered pair is the solution to the system of linear equations y = -7x + 2 and y = 9x - 14?
lisabon 2012 [21]
Y = -7x + 2
y = 9x - 14

-7x + 2 = 9x - 14
14 + 2 = 9x + 7x
16 = 16x
1 = x

y = -7x + 2
y = -7(1) + 2
y = -7 + 2
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solution is : (1,-5) <==
4 0
3 years ago
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HELP PRECALC DO NOT UNDERSTAND WILL GIVE BRAINLIEST
Olegator [25]

Answer:

  the lower right matrix is the third correct choice

Step-by-step explanation:

Your problem statement shows that you have correctly selected the matrices representing the initial problem setup (middle left) and the problem solution (middle right).

Of the remaining matrices, the upper left is an incorrect setup, and the lower left is an incorrect solution matrix.

__

We notice that in the remaining matrices on the right that the (2,3) term is 0, and the (3,2) and (3,3) terms are both 1.

The easiest way to get a 0 in the 3rd column of row 2 is to add the first row to the second. When you do that, you get ...

  \left[\begin{array}{ccc|c}1&1&1&29000\\1+2&1-3&1-1&1000(29+1)\\0&0.15&0.15&2100\end{array}\right] =\left[\begin{array}{ccc|c}1&1&1&29000\\3&-2&0&30000\\0&0.15&0.15&2100\end{array}\right]

Already, we see that the second row matches that in the lower right matrix.

The easiest way to get 1's in the last row is to divide that row by 0.15. When we do that, the (3,4) entry becomes 2100/0.15 = 14000, matching exactly the lower right matrix.

The correct choices here are the two you have selected, and <em>the lower right matrix</em>.

3 0
3 years ago
PLEASE HELP ME WITH THIS QUESTION AND SHOW YOUR STEPS PLEASE HELP ME NOW PLEASE
Sindrei [870]

Answer:

67.97

Step-by-step explanation:

let AC be length of ladder and BC be distance between ladder and wall and angle be theta

Now,

costheta=BC/AC

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3 0
2 years ago
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IRINA_888 [86]
X= 49 because the square root of 49 IS 7. :D 
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