3 years ago

M(x) = x2 + 4x Evaluate (mn)(x) for x = -3.

Mathematics

1 answer:

vesna_86 [32]3 years ago

3 0

Answer:

u can add the both of them to give u 6x the substitute for x in the question the u get 6(-3) which is equals to -18

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dlinn [17]

Answer:

$d=101.4\ \text{pounds}/\text{feet}^3$

Step-by-step explanation:

Given that,

Mass of material, m = 6900 grams

Volume of the material, V = 4.5 quarts

We need to find the density in pounds per cubic foot

We know that,

1 pound = 453.59 grams

⇒ 6900 grams = 15.21 pounds

Also, 1 cubic foot = 29.92 quarts

4.5 quart = 0.15 feet³

Density = mass/volume

$d=\dfrac{15.21\ \text{pounds}}{0.15\ \text{feet}^3}\\\\d=101.4\ \text{pounds}/\text{feet}^3$

Hence, the density of the material is $101.4\ \text{pounds}/\text{feet}^3$

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3 years ago

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$\large \mathfrak{Solution : }$

As we know :

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So, Quotient = Dividend ÷ Divisor

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q = t ÷ 23

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3 years ago

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lbvjy [14]

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3 years ago

A T-shirt is on sale for 20 % off. The sale price is $18 ,What was the original price?Explain.

Pavel [41]

The original price was $22.5.
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