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k0ka [10]
3 years ago
5

Use benchmarks to estimate 6.34 + 3.95

Mathematics
2 answers:
larisa86 [58]3 years ago
8 0
6.34 rounds to 6.
3.95 rounds to 4.
So 6+4=10
alexandr1967 [171]3 years ago
8 0
10.30 is the correct answer.
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Do you know how to get the lower boundary complete the table above​
deff fn [24]

Answer:

no ill find out for you

Step-by-step explanation:

6 0
3 years ago
What is Nine hundred and fifty thousand,nine hundred and forty-seven in number
zhenek [66]
Nine hundred and fifty thousand = 950 000

nine hundred and forty-seven                947
                                                      __________
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So the number is 950 947 
7 0
4 years ago
Read 2 more answers
Que presion manométrica debe de producir una bomba para subir agua del fondo del gran cañon ( elevación 730 m ) a indian gardens
Alexxandr [17]

Answer:

La presión manométrica debe ser 6,272,000 Pa = 61.9 atm

Step-by-step explanation:

La presión absoluta se refiere al valor de presión referido al cero absoluto o al vacío, sin presión atmosférica. Es decir, la presión absoluta es la presión con respecto al vacío total.

La presión manométrica es la que ejerce un medio distinto al de la presión atmosférica y representa la diferencia entre la presión real o absoluta y la presión atmosférica. Es decir, la presión manométrica se mide en relación a la presión atmosférica y se define como la diferencia entre presión absoluta (Pabs) y presión atmosférica predominante (Patm). La presión manométrica sólo se aplica cuando la presión es superior a la atmosférica.  

Entonces,  Pmanometrica = Pabs – Pamb

Para encontrar la presión a una profundidad h en un líquido sin movimiento, expuesto al aire cerca de la superficie de la Tierra, la presión manométrica puede ser calculada mediante:

Pmanometrica=ρ*g*Δh

donde ρ es la densidad del fluido, g la gravedad y Δh la variación en la altura.

En este caso:

  • ρ=1000 \frac{kg}{m^{3} } (densidad del agua)
  • g= 9.8  \frac{m}{s^{2} }
  • Δh=hfinal - hinitial= 1370 m - 730 m= 640 m

Reemplazando:

Pmanometrica=  1000 \frac{kg}{m^{3} } *9.8 \frac{m}{s^{2} } * 640 m

Resolviendo:

Pmanometrica= <u><em>6,272,000 Pa = 61.9 atm</em></u> (siendo 1 pascal = 9.869*10⁻⁶ atmósferas )

6 0
3 years ago
As a water quality assurance employee for your local Aqua America, Inc., branch, you record a drop in water levels from 28 feet
ioda
So, it went down from 28 to 7, meaning 28 - 7 = 21, 21 feet then.

now, if we take 28 to be the 100%, what is 21 off of it in percentage?

\bf \begin{array}{ccll}&#10;amount&\%\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;28&100\\&#10;21&p&#10;\end{array}\implies \cfrac{28}{21}=\cfrac{100}{p}\implies p=\cfrac{21\cdot 100}{28}
3 0
3 years ago
What is the Volume of the Sphere? ​
IgorLugansk [536]

Answer:

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Step-by-step explanation:

Sphere Volume Formula = 4/3 times \pi times r^2

r is the radius and in this case its 18.

4/3 times \pi times 18^3

4/3 times 5832 times \pi

4 times 1944 times \pi

7776 times \pi

The volume of the sphere is 7776\pi

7 0
2 years ago
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