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erica [24]
3 years ago
10

Jerome is a dietician who tracks his daily caloric intake from different sources of nutrients. Here are summary

Mathematics
1 answer:
Alex3 years ago
7 0

Answer:

cannot be determined

Step-by-step explanation:

khan academy told me

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What is the solution of the matrix equation?
katrin [286]

Hello from MrBillDoesMath!

Answer:

The first choice ( -12, 20)



Discussion:

Using matrix multiplication we find the equations:


1x  + 1y = 8                     (A)

2x  + 3y = 36                   (B)


Next, compute

  2(A) - B  =>

         (2x + 2y) - (2x + 3y) = 2*8 - 36    =>

          (2x - 2x) + ( 2y-3y) = 16 - 36 =>

          -y = -20  =>

         y = 20


Substituting this y value in (A) gives

         x + 20 = 8 =>

         x = 8 - 20 =>

        x = -12


The answer is the first choice ( -12, 20)


Thank you,

MrB

6 0
3 years ago
What is 4 1/3 divided by 10 1/5
vladimir2022 [97]
I got 65/153 since you actually multiply by the reciprocal of the second fraction.
6 0
3 years ago
What is the distance between the points 1 - 6 + -5 2
Nata [24]
(1, -6) and (-5, 2)

Distance between 1 and -5 = 6
Distance between -6 and 2 = 8

6²+8²=x² (PYTHAGOREAN THEOREM)
36+64=x²
x² = 100
x = 10

Note: Not -10 because <em>distance cannot be negative.</em>
5 0
3 years ago
I need so much help!!!!
USPshnik [31]

<em>Answer:</em>

94.25m

<em>Explanation:</em>

\frac{3cm}{4.5m} × \frac{19.5}{x}

Solve for x.

(cross multiply & divide)

4.5 × 19.5 = 282.75

282.75 ÷ 3 = 94.25

4 0
3 years ago
Completely factor the equation: 35 + 5x
OlgaM077 [116]
5 (x + 7) is the answer
5 0
3 years ago
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