What is the definition of numerical expression

Mathematics

2 answers:

PIT_PIT [208]3 years ago

6 0

A expression involving only numbers and or operation symbols.

OleMash [197]3 years ago

6 0

A numerical expression is a mathematical phrase involving
only numbers and one or more operational symbols.

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Andre45 [30]

Answer:

Step-by-step explanation:

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3 years ago

How many solutions exist for the given equation 0.75(x+40)=0.35(x+20)+(x+20)

luda_lava [24]

Answer: Wow! That's a tough one, but x = 5 is the only possibility

Step-by-step explanation:

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3 years ago

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stira [4]

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3 years ago

Describe the difference between collinear points and coplanar lines..

Tema [17]

Notice the word LINE in COLLINEAR. <span>Collinear points are points that lie ON A LINE. Any two points are always collinear because you can always connect them with a straight line.
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4 years ago

Solve the equation with rational exponents. (x minus 1 )Superscript 2 divided by 3 Baseline equals 64

Katarina [22]

Answer:

$x=513 \Rightarrow S=\{513\}$

Step-by-step explanation:

1) Rewriting for the sake of clarity:

$(x-1)^{\frac{2}{3}}=64$

2) To solve it, we need to turn the rational exponent equal to 1 via exponent rule of product. Multiplying 2/3 by its reciprocal 3/2 we get 1, since this is an equality we need to do it on the other side.

$(x-1)^{\frac{2}{3}}=64\\\\((x-1)^{\frac{2}{3}}]^{\frac{3}{2}}=(64)^{\frac{3}{2}}\\(x-1)=\sqrt{64^{3}}\\x-1+1=512+1\\x=513$

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3 years ago