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2 years ago

Can someone pls help me the question is in the picture and the answer choices are

Mathematics

1 answer:

Ratling [72]2 years ago

4 0

Sure. We have $E(2t,0)$ and $C(2p,2r)$ so the midpoint M is

$M = \frac 1 2(E+C) = ((2t+2p)/2, (0+2r)/2)=(t+p,r)$

Choice B

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Find the point estimate for the true difference between the given population means.

Aleonysh [2.5K]

Answer:

0.9 grams

Step-by-step explanation:

The point estimate for the average weight of Soap Bar A is:

$A=\frac{121+122+124+ 123+ 120+ 124+ 121+ 121+ 121+ 123+ 120}{11}\\A=121.82\ grams$

The point estimate for the average weight of Soap Bar B is:

$B=\frac{121+120+122+ 119+ 121+ 122+ 122+ 120+ 120 +121+ 122+123+119}{13}\\B=120.92\ grams$

Therefore, the point estimate for the true difference between the given population means is:

$Dif = A-B\\Dif = 121.82-120.92\\Dif=0.9\ grams$

The point estimate for the difference is 0.9 grams.

3 0

3 years ago

The radius of this ball is 24 inches. Which equation gives the ball's surface area, in square inches?

Verizon [17]

$\bf \textit{surface area of a sphere}\\\\
SA=4\pi r^2~~
\begin{cases}
r=radius\\
-----\\
r=24
\end{cases}\implies SA=4\pi (24)^2$

3 0

3 years ago

ANSWER QUICKLY PLEASE!!<br> 18= <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B2%7D" id="TexFormula1" title="\frac{x}{2}" al

lys-0071 [83]

Do you have a picture of the math Answer fast

4 0

2 years ago

Read 2 more answers

If there is 123 trees and 15% is you land how much is the rest

ira [324]

Well 15% of 123 is 18.45, so that's how much you own. 81.55% is the trees you don't own.

8 0

3 years ago

Can someone please answer my trigonometry problem? I've been trying to get answers all day for something so minimal.

Fantom [35]

Answer:

∠B ≈ 30.0°

Step-by-step explanation:

The law of sines can be used to solve a triangle when two sides and an angle opposite one of them are given.

sin(B)/b = sin(C)/c

sin(B) = (b/c)sin(C) . . . . solve for sin(B)

sin(B) = (14/28)sin(91°) ≈ 0.49992385

The angle is found using the inverse sine function:

B = arcsin(0.49992384) ≈ 29.99496°

Rounded to tenths, the angle is ...

m∠B ≈ 30.0°

_____

<em>Additional comments</em>

Many triangle solver apps and web sites are available if all you want is an answer.

When using your calculator, be sure the angle mode is set to "degrees."

The Law of Sines can also be used to solve a triangle when two angles and one side are known.

8 0

2 years ago