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dlinn [17]
3 years ago
11

Can somebody help me find the answer for this? 4s−10(−10s−3)

Mathematics
2 answers:
Norma-Jean [14]3 years ago
6 0

Answer:

-40s^2+8s+3

Step-by-step explanation:

use the foil method to multiply out 4s*-10s, 4s*-3, -10*-10s, and -10*-3 and then simplify

Ulleksa [173]3 years ago
4 0

Answer:

s=15/47

Step-by-step explanation:

+100s+30-4s=94s+30

94s=30

s=30/94 = 15/47

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Encontrar la Esperanza Matemática y Desviación Estándar del número de imperfecciones (y) en pizarra acrílica. (2 puntos) y 0 1 2
fredd [130]

Responder:

1,625; 0.8569

Explicación paso a paso:

y ___0 ____ 1 ____ 2 ____3

P (y) _1 / 8 ___ ¼ ___ ½ ____ 1/8

Valor esperado (E (x)): Σx * p (x)

= (0 * (1/8)) + (1 * (1/4)) + (2 * (1/2)) + (3 * (1/8)) = 1,625

La desviación estándar = sqrt (Var (x))

Var (X) = Σx²p (x) * E (x) ²

Var (X) = [(0 ^ 2 * (1/8)) + (1 ^ 2 * (1/4)) + (2 ^ 2 * (1/2)) + (3 ^ 2 * (1 / 8))] - 1.625²

Var (X) = (0 * (1/8)) + (1 * (1/4)) + (4 * (1/2)) + (9 * (1/8)) - 1.625 ^ 2

= 3.375 - 2.640625

= 0,734375

Desviación estándar = Sqrt (0,734375) = 0,8569

7 0
3 years ago
When Brandon went bowling, it cost $4.95 per game, plus a one-time fee to rent the shoes. Brandon played 5 games and paid $32. W
igomit [66]

Answer:

The linear equation used to find the cost to rent the shoes is 24.75+x=32

Cost to rent the shoes is $7.25.

Step-by-step explanation:

Given:

Cost of per game of bowling = $4.95

Number of games played = 5

Total money paid = $32

We need to find the cost to rent the shoes.

Solution:

Let the cost to rent the shoes be 'x'.

So we can say that;

Total money paid is equal to sum of Cost of per game of bowling multiplied by Number of games played and cost to rent the shoes.

framing in equation form we get;

5\times4.95+x=32\\\\24.75+x=32

Hence The linear equation used to find the cost to rent the shoes is 24.75+x=32

On solving the above equation we will find the value of 'x'.

Now we will subtract both side by 24.75 we get;

24.75+x=32-24.75\\\\x= \$7.25

Hence Cost to rent the shoes is $7.25.

4 0
3 years ago
Hello please help me with this problem. For 38 points Its is algebra 1
Burka [1]

answer to this one is b

Step-by-step explanation:

6 0
3 years ago
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Sever21 [200]

Answer:

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Step-by-step explanation:

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3 years ago
Sam needs to drive 19 miles to work. So far, he has driven 3.7 miles. How many more miles must he drive?
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Step-by-step explanation:

19-3.7 = 15.3 miles

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3 years ago
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