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nalin [4]
3 years ago
5

What is 819021 in expanded form?

Mathematics
2 answers:
scoray [572]3 years ago
7 0

Answer: It would be 800,000 + 10,000 + 9,000 + 20 + 1


Step-by-step explanation:


Tamiku [17]3 years ago
3 0

Answer:

800,000 + 10,000 + 9,000 + 20 + 1

Step-by-step explanation:


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Ann takes 70 paces to walk 50m. the number of paces ann takes to walk 3.5km is A.70 B.490. C.3900 D.4900​
Shalnov [3]
<h3>Answer:  4900  (choice D)</h3>

===================================================

Work Shown:

1 km = 1000 m

3.5 km = 3500 m  ............. multiplying both sides by 3.5

(70 paces)/(50 m) = (x paces)/(3500 m)

70/50 = x/3500

7/5 = x/3500

7*3500 = 5x .............. cross multiply

5x = 7*3500

x = (7*3500)/5

x = (7*5*700)/5

x = 7*700

x = 4900

Ann takes 4900 paces to walk 3.5 km

4 0
2 years ago
how do I delete my brainly account because when i do it, it says enter your password but I made my account with Go.ogle.
Brums [2.3K]

Answer:

If the *account has a password, then use that password. Or try some other way of deleting it.  

Step-by-step explanation:

6 0
2 years ago
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3 0
4 years ago
Please can you help me with this problem
tensa zangetsu [6.8K]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Resuelve:
jok3333 [9.3K]

Answer:

A partir del problemas vamos a crear una ecuación donde X es una docena de huevos y Y una libra de mantequilla

entonces: 4 docenas de huevos y 3 libras de mantequilla es igual a 14.100

en mi primera ecuación seria: 4X + 3Y = 14.100

ahora haremos la segunda ecuacion: tres docenas y 1 libra de mantequilla

en mi segunda ecuación seria: 3X + 1Y = 8.700 el plan es sumar las dos ecuaciones pero yo quiero que al sumarlas la variable "Y" desaparezca así que mi segunda ecuación la voy a multiplicar pór (-3) quedándome todo así:

primera ecuación: 4X + 3Y = 14.100

segunda ecuacion multiplicada por -3: -9X - 3Y = -26.1

al sumarlas obtengo como resultado: -5X = -12

resolviendo esa ecuacion obtengo que X=  

X=2.4

luego reemplazas X en la primera ecuación: 4X + 3Y = 14.100

reemplazando seria: 4 x (2.4) + 3Y =14.100

9.6 + 3Y = 14.1000

3Y= 14.100 - 9.6

Y=  

Y=1.5

entonces concluimos que la docena de huevos cuesta 2.4 $ y la libra de mantequilla 1.5 $

Step-by-step explanation:

4 0
3 years ago
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