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lesantik [10]
3 years ago
13

An experiment consisting of 35 mice is set up to study the weight of mice after injecting them with a drug. If the population me

an is 23.5 grams with a standard deviation of 3.4 grams, what is the standard error of the sample mean?

Mathematics
1 answer:
barxatty [35]3 years ago
4 0
See the attachment Hope it helps :-)

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I need help on the problem #53 it asking to prove if it is an identity.
pav-90 [236]
Answer and workings can be found in the attachment below...

8 0
3 years ago
Julia helped serve holiday meals to 47 families. Each family averaged 5 family members. If she served 255 pounds of food, how ma
belka [17]
47 * 5 = 235 Then you divide that by 255 so . 235/255 = <span>0.92156862745. But when you shorten the answer Each family got around 0.92 pounds of food </span>
8 0
3 years ago
Read 2 more answers
Please help me! Which congruence statement does not necessarily describe the triangle shown if DEF equals FGH?
andre [41]

ΔEDF ≅ ΔFGH in this congruence statement does not necessarily describe the triangle shown if DEF equals FGH, so, ΔEDF ≅ ΔFGH is correct answer.

<h3>What is a Congruent triangles :</h3>

Two triangles are said to be congruent if all three corresponding sides are equal and all the three corresponding angles are equal in measure. These triangles can be slides, rotated, flipped and turned to be looked identical. If repositioned, they coincide with each other.

Based on the given conditions,

Since,

ΔDEF ≅ ΔFGH

Then,

∠FED ≅ ∠HGF

∠EFD ≅ ∠GHF

∠EDF ≅ ∠GFH

Congruent triangles corresponding to equal angles,

Therefore,

ΔEDF ≅ ΔFGH in this congruence statement does not necessarily describe the triangle shown if DEF equals FGH.

To learn more about information visit Congruence triangle :

brainly.com/question/12248294

#SPJ1

7 0
1 year ago
Write the number 8.7 x 10^-6 in standard form.
igor_vitrenko [27]
That's already in standard form
7 0
3 years ago
Determine whether or not f is a conservative vector field. if it is, find a function f such that f = ∇f. (if the vector field is
sineoko [7]
\mathbf f(x,y)=(ye^x+\sin y)\,\mathbf i+(e^x+x\cos y)\,\mathbf j is continuous, so \mathbf f(x,y) is indeed conservative. So we know there is some scalar function f(x,y) such that \nabla f(x,y)=\mathbf f(x,y).

\dfrac{\partial f}{\partial x}=ye^x+\sin y
\displaystyle\int\frac{\partial f}{\partial x}\,\mathrm dx=\int(ye^x+\sin y)\,\mathrm dx
f(x,y)=ye^x+x\sin y+g(y)

\dfrac{\partial f}{\partial y}=\dfrac{\partial(ye^x+x\sin y+g(y))}{\partial y}
e^x+x\cos y=e^x+x\cos y+g'(y)
0=g'(y)
\implies g(y)=C

So we have

f(x,y)=ye^x+x\sin y+C
7 0
3 years ago
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