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tatyana61 [14]
3 years ago
13

Solve the system of equations by Linear Combination (Elimination)

Mathematics
1 answer:
Alla [95]3 years ago
5 0
Let me know if you have any questions!

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What is the value of |–3.25| ?
34kurt

<u>Answer:</u>

  • <em>3.25</em>

<u>Step-by-step explanation:</u>

<em>Rule: An absolute value will always be positive. </em>

<em>=> Referring to the rule, the absolute value of |–3.25| is 3.25.</em>

Hoped this helped.

BrainiacUser1357

3 0
3 years ago
If C(5,-5) and D(7,3) then what is the length of CD? Round to the nearest tenth
weqwewe [10]
(x1-x2)^2+(y1-y2)^2开根号
6 0
3 years ago
Read 2 more answers
A box's volume is equal to 600 cubic
olga2289 [7]

Answer:

Step-by-step explanation:

Length = x

width = x - 7

height = x - 10

volume = 600 in^3

Volume = L * w * h

600 = x * (x - 7)*(x - 10)

600 = x * (x^2 - 17x + 70)

600 = x^3 - 17x^2 + 70x

x^3 - 17x^2 + 70x - 600 = 0

There is a genius somewhere that could solve this using algebra. The rest of us have 2 choices. We can graph it (see below) or we could use a program that solves it for us. I'll do both for you.

a = 1

b  = - 17

c = 70

d = - 600

There is only 1 real solution: x = 15

L = 15

w = 8

h = 5

That has to be one of the ugliest graphs made. It does into the hundreds of thousands and it still looks like a straight line. Trust me. It's not.

3 0
3 years ago
Describe the pattern in the numbers. Write the next number in the pattern. 1, 2/3, 1/3, 0
olga2289 [7]

Answer:

-1/3

Step-by-step explanation:

its subtracting 1/3 every time

6 0
3 years ago
Which point is on the graph of the equation y=2x-5?
Svetlanka [38]

Answer:

(2,-1)

Step-by-step explanation:

If you plug each answer into the equation, (2,-1) is the only answer that makes the equation true. Hope this helps!

6 0
3 years ago
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