PLEASE HELP,what's the answer

Answers

Answer 1

Answer: Heptagons have 7 sides and 7 angles, and therefore they must have 7 vertices, so D is not true.

Answer 2

Answer: it would be D because hept means seven and a heptagon means seven sides not six.

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Simple question

Derivative of $\boxed{f(y)= (y^2)/(y^3+8) }$

Answers

Let's go ;D

$f(y)=(y^2)/(y^3+8)$

we have to use the quotient rule.

$f(y)=(g(y))/(h(y))$

$f'(y)=(h(y)*g'(y)-g(y)*h'(y))/([h(y)]^2)$

Then

$g(y)=y^2$

$g'(y)=2y$

$h(y)=y^3+8$

$h(y)=3y^2$

Now we can replace

$f'(y)=(h(y)*g'(y)-g(y)*h'(y))/([h(y)]^2)$

$f'(y)=((y^3+8)*2y-(y^2)*3y^2)/((y^3+8)^2)$

$f'(y)=(2y^4+16y-3y^4)/((y^3+8)^2)$

$\boxed{\boxed{f'(y)=(16y-y^4)/((y^3+8)^2)}}$

360 Kilometers is 24% of _____ Kilometers

Answers

Divide 360 by 24 to find 1%. Then multiply by 100. 360/24 *100= 1500

Answer:

1500

Step-by-step explanation:

Cross multiply then divide with that number and 100

I think omg im bad at this

What figure shows a line of reflectional symmetry for the letter T ??? Help plz

Answers

Answer:

Option A is correct.

Explanation:

Reflectional symmetry states that a type of symmetry where one half is the reflection of the other half

or in other words Line of reflectional symmetry creates two congruent figures that are mirror images of each other.

Since,

Letter T is symmetrical as it have only one line of symmetry.

A Vertical line in the figure describe the reflectional symmetry.

Answer:

option a

Step-by-step explanation:

Josie is getting her hair cut andstyled. She wants to give a 20% tip
to her stylist. If the haircut costs
$15.00, how much tip should she give?

Answers

Answer:

Step-by-step explanation:

10 pecent =1.50 so times 2=20%=3

40 percent of 112.5%

Answers

First 112% is 1.12 divide it by 100 to get .0112 then mutiply it by 40 to get .448 so .448 is the answer. Hope this helps.

On a coordinate grid, what is the distance from A (4,9) to B (4,3)?

Answers

$d=√((x_1-x_2)^2+(y_1-y_2)^2)\n\nd=√((4-4)^2+(9-3)^2)\nd=√(0^2+6^2)\nd=√(6^2)\nd=6$

just subtract them
4-4=0
9-3=6

the distance is 6 since the x part stayed on the sam line

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