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blondinia [14]
3 years ago
6

Simplify the expression 53 + 3(5 − 3).

Mathematics
2 answers:
IrinaVladis [17]3 years ago
7 0

Answer:

Step-by-step explanation:

5-3=2

53+3(2)

53+6

=59

lubasha [3.4K]3 years ago
7 0

Answer:

5^9

Step-by-step explanation:

I got the question right

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5tenths=Blank hundreths​
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50

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umka2103 [35]

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No.

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3 years ago
A little help would be great...
Readme [11.4K]

Answer:

1. The answer is 89

2. 1,7,4,11,4,9,5,1

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Step-by-step explanation:

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3 years ago
Use the Quadratic Formula to solve the equation 4x^2−7=4x.
tino4ka555 [31]

Answer:

\large\boxed{x=\dfrac{1}{2}-\sqrt2\ or\ x=\dfrac{1}{2}+\sqrt2}

Step-by-step explanation:

\text{The quadratic formula of}\ ax^2+bx+c=0:\\\\x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

\text{We have:}\\\\4x^2-7=4x\qquad\text{subtract}\ 4x\ \text{from both sides}\\\\4x^2-4x-7=0\\\\a=4,\ b=-4,\ c=-7\\\\b^2-4ac=(-4)^2-4(4)(-7)=16+112=128\\\\\sqrt{b^2-4ac}=\sqrt{128}=\sqrt{64\cdot2}=\sqrt{64}\cdot\sqrt2=8\sqrt2\\\\x=\dfrac{-(-4)\pm8\sqrt2}{(2)(4)}=\dfrac{4\pm8\sqrt2}{8}\qquad\text{simplify by 4}\\\\x=\dfrac{1\pm2\sqrt2}{2}\to x=\dfrac{1}{2}\pm\sqrt2

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3 years ago
What are the degrees a trapezoid has?
Fofino [41]
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