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Temka [501]
3 years ago
14

Why is cube root of 9 equal to 9 to the one third power question mark

Mathematics
2 answers:
alexira [117]3 years ago
7 0

Answer:

See below

Step-by-step explanation:

\sqrt[3]{9}=9^{\frac{1}{3}}

(\sqrt[3]{9})^3=(9^{\frac{1}{3}})^3

9=9^{\frac{1}{3}*3

9=9^\frac{3}{3}

9=9^1

9=9

Remember that (a^b)^c=a^{b*c}

kozerog [31]3 years ago
3 0

Answer:

3

just because

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Answer:

C. 26 to 29

She will need between 26 to 29 tables

Step-by-step explanation:

8 0
3 years ago
a parent died and left an estate to four children. One inherited 1/2 the second inherited 1/8 and the third inherited 1/4. how m
djyliett [7]
1/2+1/8+1/4=7/8    
4/8+1/8+2/8=7/8

1-7/8 = 3/8
the fourth on inherited 3/8 of the estate.
7 0
3 years ago
Un jardinier a récolté deux quintaux trois quarts de pommes . Il vend un quintal un quart à un voisin ; il vend aussi 7/10 de qu
Flauer [41]

Answer:

Step-by-step explanation:

Notez que: un quintal =

une unité de poids égale à 100 kg

Un jardinier a récolté deux quintaux et trois quarts de pommes.

Le nombre total de pommes récoltées = 200 kg + 3/4 du quintal de pommes

= 200 kg + 0,381 kg

= 200,381 kg

Il vend un quintal un quart à un voisin

Le montant qu'il a vendu à un voisin = 100 + 1/4 quintal de pommes

100 + 0,127

= 100,127 kg

Il vend également 7/10 d'un quintal sur le marché du village

= 7/10 × 100 kg

= 70 kg de pommes restantes

2/5 d'un quintal à un pâtissier.

2/5 × 100 kg

= 40 kg de pommes restantes

À l'aide d'une fraction, exprimez la quantité de pomme que le jardinier a gardée pour lui.

La quantité que le jardinier lui a réservée =

200 3/4 kg - (100 1/4 kg + 70 kg + 40 kg)

200,381 kg - (210,127 kg)

5 0
3 years ago
DUE IN 2 MINTUES PLZZ HELP
dusya [7]

Answer:

320

Step-by-step explanation:

6400 x minute = 6400/60 = 106.66666666666666666666666666667 ft/h

*3=320ft

320ft to miles = 0.0606061

7 0
3 years ago
What is the value of x
kozerog [31]

Answer:


Step-by-step explanation:

If the upper triangle has a right angle at Island C, we need only use the Pythagorean Theorem to find x:

(10 mi)^2 + (20 mi)^2 = x^2, so that

x^2 = 100 mi^2 + 400 mi^2 = 500 mi^2, which reduces to

x = +10√5 mi

Note that the shortest side (10 mi) is adjacent to a 30 degree angle.  Thus, the upper triangle is a 30-60-90 triangle, meaning that the Pythagorean Theorem DOES apply here.

Next time, please incude ALL of the verbal instructions.  Thank you.

6 0
3 years ago
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