To solve it you have to distribute (multiply) the 4 to the x and the 2.Then you would have to subtract 8 by both sides and which it would cancel on the left side, then after you divide 4 by both sides and then u get you answer.

8 0

3 years ago

This table shows how the cost of Dana’s birthday party depends on the number of guests.

Leviafan [203]

Answer:

$4/guest

Step-by-step explanation:

$12/3 guests = $4/guest

$20/5 guests = $4/guest

6 0

3 years ago

**BRAINLIEST IF ANSWERED***

goblinko [34]

Answer:

(D)7 in.

Step-by-step explanation:

A regular hexagon can be divided into six equilateral triangles.

Therefore:

$b=\dfrac{c}{2}$

Applying Pythagoras Theorem

$c^2=12^2+b^2\\c^2=12^2+(\frac{c}{2})^2\\c^2-(\frac{c}{2})^2=12^2\\c^2-\dfrac{c^2}{4}=144\\\dfrac{4c^2-c^2}{4}=144\\\dfrac{3c^2}{4}=144\\$Cross multiply\\3c^2=144 \times 4\\3c^2=576\\$Divide both sides by 3\\c^2=192\\$Therefore:\\c=\sqrt{192}\\c=8\sqrt{3}$ in.$

Recall that b=c/2

Therefore:

$b=4\sqrt{3} \approx 7$ in.$

The value of b is 7 inches.

6 0

3 years ago