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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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Wilton collected $8.50 in dimes and quarters while cleaning his father's truck. If the number of quarters is 3 times the number
dusya [7]

Answer:

Wilton found 10 dimes while cleaning his father's truck.

Step-by-step explanation:

Given that:

Total amount collected = $8.50 = 8.50*100 = 850 cents

Let,

x be the number of dimes

y be the number of quarters

According to given statement,

10x+25y=850     Eqn 1

y = 3x     Eqn 2

Putting y=3x in Eqn 1

10x+25(3x)=850\\10x+75x=850\\85x=850

Dividing both sides by 85

\frac{85x}{85}=\frac{850}{85}\\x=10

As x represents dimes, therefore, number of dimes is 10.

Hence,

Wilton found 10 dimes while cleaning his father's truck.

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3 years ago
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malfutka [58]

Answer:-95

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What is the answer to 72=3/4c
Darina [25.2K]

First, we take the 3/4 and multiply 72 by it's reciprocal, 4/3. Your answer would come to c= 96.

Hope this helped :)


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