2 years ago

A material that does not conduct heat well can be used as __________.

Mathematics

1 answer:

victus00 [196]2 years ago

5 0

A material that doesn’t conduct well would be referred to as an insulator because it keeps the heat/electricity in.

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W/18=3<br> I don't understand

Travka [436]

If you want to solve for w:

w/18= 3
multiply both sides by 18

(w/18)(18)= (3)(18)
18 "cancels out" on the left side

w= 54

CHECK
54/18= 3
3= 3

ANSWER: w= 54

Hope this helps! :)

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2 years ago

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The width of a rectangle is w meters. The length is 2w + 8 meters. What is the possible domain for w?

nikitadnepr [17]

Are there any options

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3 years ago

Calculate the side lengths a and b to two decimal places.

Zinaida [17]

Answer:

$a=10.92 units$

$b=14.51 units$

Step-by-step explanation:

We are given that c=6 units

$\angle A=43^{\circ}$

$\angle B=115^{\circ}$

We have to find the side length a and b.

We know that sum of angles of a triangle =180 degrees

$\angle A+\angle B+\angle C=180$

Substitute the values then we get

$43+115+\angle C=180$

$158+\angle C=180$

$\angle C=180-158=22^{\circ}$

sine law: $\frac{a}{sin A}=\frac{b}{sin B}=\frac{c}{sin C}$

$\frac{a}{sin 43^{\circ}}=\frac{6}{sin 22^{\circ}}$

$a=\frac{6}{sin 22^{\circ}}\times sin 43^{\circ}$

$a=10.92 units$

$\frac{b}{sin 115^{\circ}}=\frac{6}{sin 22^{\circ}}$

$b=\frac{6}{sin 22^{\circ}}\times sin 115^{\circ}=14.51$

$b=14.51 units$

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3 years ago

Find the value of :x^2+2xy+y^2-3x-3y-1<br> have: x^2-y=y^2-x (x<img src="https://tex.z-dn.net/?f=%5Cneq" id="TexFormula1" title=

lidiya [134]

Answer: The answer is x^2+2xy+2y^2–3x–3y–1

Step-by-step explanation: Move 2 to the left of y^2.

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2 years ago

Factor -24a3b3c3 - 84a4b2c.

My name is Ann [436]

The answer is B. It’s not too difficult

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