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lukranit [14]
3 years ago
15

Expand 4x(7x-11)expand 3x(7-5x)Can someone help me with tge questions above?

Mathematics
2 answers:
elixir [45]3 years ago
5 0
If  we had a number, or a single algebraic term, multiplying bracketed terms, then all terms in thebrackets must be multiplied.....
melamori03 [73]3 years ago
4 0
<span>(    7 x    -    11    )

<span>(   7   -   5x   )</span></span>
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Order from least to greatest. 2.34, 2 3 4 , 9 4 A) 2 3 4 , 9 4 , 2.34 B) 2 3 4 , 2.34, 9 4 C) 2.34, 9 4 , 2 3 4 D) 9/4, 2.34, 2
Aloiza [94]

I thinks is c hope this helps

God Bless

5 0
3 years ago
Read 2 more answers
Fit a quadratic function to these three points:<br> (-2,8), (0, -4), and (4, 68)<br> Respuesta
zloy xaker [14]

Answer:

f(x) = 4x^2 + 2x - 4.

Step-by-step explanation:

Let the quadratic function be y = f(x) = ax^2 + bx + c.

For the point (-2, 8)  ( x = -2 when y = 8) we have:

a(-2)^2 + (-2)b + c = 8

4a - 2b + c = 8      For (0, -4) we have:

0 + 0 + c = -4   so c = -4.    For (4, 68) we have:

16a + 4b + c = 68  

So we have 2 systems of equations in a and b ( plugging in c = -4):

4a - 2b - 4 = 8

16a + 4b - 4 = 68

4a - 2b = 12

16a + 4b = 72    Multiplying 4a - 2b = 12 by 2 we get:

8a - 4b = 24  

Adding the last 2 equations:

24a = 96

a = 4

Now plugging a = 4 and c = -4 in the first equation:

4(4) - 2b - 4 = 8

-2b = 8 - 16 + 4 = -4

b = 2.

3 0
3 years ago
Solve for x and y. Thank u so much!!​
Setler79 [48]
Y is 45 x is 30 I think
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3 years ago
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spayn [35]

Answer:

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Step-by-step explanation:

i took the test

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3 years ago
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3 years ago
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