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Ksenya-84 [330]
3 years ago
10

Factor the following binomial using the difference of squares? (49x^2 – 9)

Mathematics
1 answer:
Elis [28]3 years ago
3 0
I think the answer is (7x-3)(7x+3)
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LA DISTANCIA ENTRE LA TIERRA YLA LUNA ES DE 384 392 KM. LOS AUSTRONAUTAS DE LA APOLO XL SALIERON EL 16 DE JULIO DE 1969 DESDE EL
KengaRu [80]

Complete question :

la distancia entre la tierra y la luna es de 384 392 km. Los astronautas de la Apolo XL salieron el 16 de julio de 1969 desde el Centro Espacial Kennedy y al alcanzaron la orbita el 19 de julio de 1969. Suponiendo que cada dia recorrieron la misma cantidad de kilometros cuantos kilometros recorrieron por dia

Responder:

128130,66 kilometros

Explicación paso a paso:

Dado que:

Distancia entre la tierra y la luna = 384,392 km

Tiempo empleado = (19 de julio - 16 de julio) mismo año = 3 días

Velocidad = distancia / tiempo

El tiempo empleado es (3 * 24) = 72 horas

Por lo tanto,

velocidad = 384,392 / 72

= 5338,7777 kilómetros por hora

Dado que se supone que la distancia recorrida diariamente es la misma m:

El número de kilómetros recorridos por día:

5338,7777 kilómetros por hora * 24

= 128130,66 kilometros

4 0
3 years ago
Simplify 14/70<br>please show work
Mumz [18]

Cancel the common factors in the numerator and denominator.

Exact Form:

15

Decimal Form:

0.2


hope l helped have a good day

3 0
3 years ago
Read 2 more answers
What is 25% of 7000000
Virty [35]
25% of 700000 is 1750000
8 0
3 years ago
In a large population, 76% of the households have cable tv. A simple random sample of 225 households is to be contacted and the
notsponge [240]

0.017559

It is given that:

Probability of Households Having cable TV, p₀ = 76% = 0.76

Therefore,

The probability that the Households not having cable TV = 1 - 0.76 = 0.24

Sample size, n = 225 households

sample proportions is less than 82% i.e p = 0.82

Now,

The standard error, SE = \sqrt{} \frac{0.76(1-0.76)}{225}

= 0.02847

Z = \frac{0.82-0.76}{0.02847}

Z = 2.107

therefore, P(sample porportions < 0.82) = P(Z < 2.107)

now from the p value from the Z table we get P(sample porportions < 0.82) =  0.017559

To know more about standard deviations visit: brainly.com/question/475676

#SPJ4

3 0
1 year ago
If the function F(X) = (2x - 3)3 is transformed to g(x) = (-2x - 3)3, which type of transformation occurred?
irina1246 [14]
Horizontal reflection
7 0
3 years ago
Read 2 more answers
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