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Lapatulllka [165]
3 years ago
7

3u+6.8=5.4u+0.56 solve for u

Mathematics
1 answer:
Tatiana [17]3 years ago
8 0
3u+6.8=5.4u+0.56
-3u____-3u
6.8=2.4u+0.56
-0.56___-0.56
6.24=2.4u
/2.4__/2.4
2.6=u
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Rewrite the expression with a perfect square: x^2 - 14x + 11
nikitadnepr [17]

   Factoring  x2-14x+11 

The first term is,  x2  its coefficient is  1 .

The middle term is,  -14x  its coefficient is  -14 .

The last term, "the constant", is  +11 

Step-1 : Multiply the coefficient of the first term by the constant   1 • 11 = 11 

Step-2 : Find two factors of  11  whose sum equals the coefficient of the middle term, which is   -14 .

     -11   +   -1   =   -12     -1   +   -11   =   -12     1   +   11   =   12     11   +   1   =   12

Observation : No two such factors can be found

4 0
3 years ago
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IgorLugansk [536]

Answer:

10.35 miles in 1 hout

Step-by-step explanation:

I'm Sorry if this wrong.

5 0
3 years ago
Help please <br> Brainiest answer will be given
Nadya [2.5K]
I believe the answer is 264, but if it’s not 11 and it’s 22 then the answer is 528!! Mark me brainliest please!!!!❤️
7 0
3 years ago
7 less than two times the sum of 6 and a
miss Akunina [59]

Answer:

6 and 20

Step-by-step explanation:

20-7=13

7 0
4 years ago
Si en un grupo de 10 personas se va a repartir refrescos de 10 sabores diferentes, y se sabe que hay uno de fresa y uno de piña
SashulF [63]

Respuesta: 0.011

Explicación paso a paso:

Dado que:

Número de sabor a refresco = 10

Número de sabor a piña = 1

Número de sabor a fresa = 1

P (primero es fresa) = número de sabor a fresa / número total de sabor

P (primero es fresa) = 1/10

P (el segundo es sabor a piña) = número de sabor a piña / número total de sabor

P (segundo sabor a piña) = 1/9

Probabilidades independientes:

P (primero es fresa) * P (segundo sabor a piña)

= (1/10) * (1/9)

= 1/90

= 0.011

8 0
3 years ago
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