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kumpel [21]
2 years ago
15

What is -2x times x i would try to do it myself but i can't

Mathematics
1 answer:
expeople1 [14]2 years ago
8 0

Answer:

-2x times x is -2x^2

Step-by-step explanation:

because you have two x's

Hope This Helps!    Have A Nice Day!!

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Quadratic equation <br>a2=529​
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Answer:

a = ±23

Step-by-step explanation:

a^2=529

a_{1} =23

a_{2} =-23

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Which graph represents the function f(x) = |x + 3|?
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Answer:

Graph of Modulus

The graph of a modulus or absolute value function is in a form of a 'V' shape whose vertex depends upon the coordinates. The equation for the graph is given as,

where,

(a, b) are the coordinates of the vertex of 'v' in the form of (x, y),

And h shows how wider or lean will be the function, for h=0, it is a straight line, while for a negative value the graph will face downwards and opposite for a positive value.

Given to us

y = |x-3|

On the coordinate plane

The graph will be in the shape of a 'V' whose vertex will lay at the coordinates (3, 0). As the value of a is 1 the graph will face upwards. As shown below on the graph.

Learn more about Modulus:

brainly.com/question/18106342

Step-by-step explanation:

5 0
2 years ago
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5
Bezzdna [24]

Answer:

120

Step-by-step explanation:

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6 0
2 years ago
A chemical company makes two brands of antifreeze. The first brand is 65% pure antifreeze, and the second brand is 90% pure anti
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\bf \begin{array}{lcccl} &\stackrel{solution}{gallons}&\stackrel{\textit{\% of }}{antifreeze}&\stackrel{\textit{gallons of }}{antifreeze}\\ \cline{2-4}&\\ \textit{1st brand}&x&0.65&0.65x\\ \textit{2nd brand}&y&0.90&0.9y\\ \cline{2-4}&\\ mixture&40&0.8&32 \end{array}~\hfill \to \begin{cases} x+y&=40\\ \boxed{x}=40-y\\ \cline{1-2} 0.65x+0.9y&=32 \end{cases} \\\\[-0.35em] ~\dotfill

\bf \stackrel{\textit{substituting in the 2nd equation}}{0.65\left( \boxed{40-y} \right)+0.9y=32}\implies 26-0.65y+0.9y=32 \\\\\\ 26+0.25y=32\implies 0.25y=6\implies y=\cfrac{6}{0.25}\implies \blacktriangleright y=24 \blacktriangleleft \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{since we know that}}{x=40-y\implies }x=40-24\implies \blacktriangleright x=16 \blacktriangleleft

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3 years ago
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What is (4 radical 10 + 3) (4 radical 10 + 3).
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= 16*10 + 12 R10 + 12 R10 + 9
= 168 + 24 R10
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3 years ago
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