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Shkiper50 [21]
3 years ago
12

OCHO niños seleccionados al azar para ir en un carro alegorico en un desfile pesan: 62, 54, 85, 50, 76, 49, 66 y 70 libras. A) C

on el 90% de confianza, ¿ Que podemos afirmar acerca del error máximo al estimar el peso medio de la población de todos los niños de los cuales provino esta muestra como 64 libras? B) Construya un intervalo de confianza del 99% del peso medio de todos los niños de los cuales provino esta muestra
Mathematics
1 answer:
Alina [70]3 years ago
3 0

Answer:

Step-by-step explanation:

bjsjbkj is muisjm  isu auisbm buis iusa uisb sui ausius suasu su usma usus  usausus ususinuhsshsu u su su suususujsusubsubs busbusus su susbu susu su susbu sub su su us us u u us u aubs aubs ua us auud snud .sus m ;usndiu smudiiiiiii msuidb smuid smiusd smkiudbsiud bsiudb siu basdu

poda lusu koothi

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!!!!PLEASE HELP!!!!!2 QUESTION
anygoal [31]
So according to the picture you sent the first part is 2(x-8) (x+6)=0 so it’s the first answer. The second part the answer is (8;0) and (-6;0) the last answer in the second frame.
The reason the answer is those is because it’s using coordinates (x;y) and since we were solving for x we got the x coordinates. But since we got the x coordinates our y coordinates will be 0. If the answer was y=8 than out coordinates would be (0;8). Hope this makes sense


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7 0
3 years ago
16 + (22a + a) = 16 + (a + 22)
mario62 [17]

Answer:

a = 1.

Step-by-step explanation:

i guess you want to solve for a:

16 + (22a + a) = 16 + (a + 22)

16 + 23a =  38 + a

22a = 38 - 16 = 22.

a = 1.

8 0
3 years ago
Solve for d <br> 3d - 8 = 7
taurus [48]

Answer:

The Value of d is 5.

Step-by-step explanation:

Given:

3d-8=7

We need to solve for d

Hence for solving for the term d we get;

3d-8=7

Now we will use Addition property for equality and add both side by 8 we get;

3d-8+8=7+8

3d=15

Now we will use Division property for equality and Divide both side by 3 we get;

\frac{3d}{3}=\frac{15}{3}\\

d=5

Hence the Value of d is 5.

4 0
3 years ago
Does an isosceles triangle have two sides of equal length?
AlekseyPX

Hi, there.

 ______

Does an isosceles triangle have two sides of equal length?

Let's start by defining an isosceles triangle.

It's a triangle which has <em>two sides of equal length</em>; the third side, the base, is the shortest side.

Therefore, an isosceles triangle DOES have two sides of equal length.

Hope the answer - and explanation - made sense,

happy studying!!!

4 0
1 year ago
The half-life a particular radioactive substance is 6 seconds. If you started with 50 grams of this substance, how much of it wo
AleksandrR [38]

Answer:

1.5625g would remain after 30 seconds

Step-by-step explanation:

When we talk about half life, we are talking about the time taken for exactly half of the mass of the radioactive mass in question to have disintegrated.

More like, the amount of time it takes for the radioactive mass to have lost exactly half of its mass

Now, the half life of the substance in question is 6 seconds and we have to calculate the mass that would remain after 30 seconds. What this means is that we would have a disintegration of 5 times, meaning 5 half lives.

Since it is just 5 half lives, we can proceed manually

In the first, we shall have 25g left

in the second, we shall have 12.5g left

In the third, we shall have 6.25g left

In fourth, we shall have have 3.125g left

and finally, in the fifth, we shall have 1.5625g

7 0
3 years ago
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