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Dovator [93]
3 years ago
11

Write an expression for the sequence of operations described below.

Mathematics
1 answer:
pickupchik [31]3 years ago
5 0

Answer:

20

Step-by-step explanation:

Its 7+8+5

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The graph shown below represents a ladder leaning against a wall. The bottom of the ladder is 4 feet from the wall, and the top
GaryK [48]

Answer:

c. -5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Sammy the Sailor swears entirely too much. The following probability distribution shows the number of times Sammy swears per day
malfutka [58]

Full question attached:

Answer and explanation:

A) B2*B10: cell B2 and B10 have the values regular swear costs and number of swears respectively and we need to multiply these two values to get our answer

B) =IF(B10>10,(B10-10)*B3,0): Sam is supposed to pay an extra $2 for swear words over 10 and so we check if his swear words are above 10 and if they are we find out how many they are by subtracting 10 from them and then we multiply the value gotten by the cost for extra swear words($2)

C) =IF(B10<5,B10*B4,0): here we check if swear words are less than 5 and if they are we multiply number of swears words less than by 5 by the cost ($0.50)

D) F10=C10+D10+E10: to calculate total money in jar(F10), we simply add up regular cost(C10), extra cost(D10) and refund(E10)

6 0
3 years ago
Choose the correct steps to graph the slope of -2/5
notka56 [123]

Answer:

A) 2 down, 5 right

Step-by-step explanation:

hope this helpss

8 0
3 years ago
Read 2 more answers
Considere la siguiente ecuación: 16a – ( 3a – (6 – 9a) ) = 30a + ( – (3a + 2) – (a + 3) ) III) Al romper paréntesis, agrupar tér
Mamont248 [21]

Answer:

La ecuación simplificada es  a = \frac{11}{19}.

Step-by-step explanation:

Tenemos la siguiente ecuación simultánea: 16\cdot a - [3\cdot a - (6-9\cdot a)] = 30\cdot a +[-(3\cdot a+2)-(a+3)]. El procedimiento consiste en destruir los paréntesis desde dentro hacia fuera, agrupar los términos semejantes y simplificar. Presentamos el proceso paso por paso:

1) 16\cdot a - [3\cdot a - (6-9\cdot a)] = 30\cdot a +[-(3\cdot a+2)-(a+3)] Dado

2) 16\cdot a -\{3\cdot a + (-1)\cdot [6+(-1)\cdot 9\cdot a]\} = 30\cdot a +\{(-1)\cdot (3\cdot a +2)+(-1)\cdot (a+3)\}  -b = (-1)\cdot b

3) 16\cdot a -\{[(-1)\cdot (6)+(-1)\cdot (-1)\cdot 9\cdot a]\}= 30\cdot a +\{\left[(-1)\cdot (3\cdot a) + (-1)\cdot (2)\right] +[(-1)\cdot a +(-1)\cdot (3)] \} Propiedad distributiva

4) 16\cdot a -(-6+9\cdot a) = 30\cdot a +(-3\cdot a -2-a-3) -b = (-1)\cdot b/ (-b)\cdot (-c) = b\cdot c

5) 16\cdot a +(-1)\cdot (-6+9\cdot a) = 30\cdot a -4\cdot a-5 Propiedad distributiva/Definiciones de adición y sustracción/-b = (-1)\cdot b

6) 16\cdot a +[(-1)\cdot (-6)+(-1)\cdot (9\cdot a)] = 26\cdot a -5 Propiedad distributiva/Definiciones de adición y sustracción/Propiedad modulativa.

7) 16\cdot a +6-9\cdot a = 26\cdot a - 5  -b = (-1)\cdot b/ (-b)\cdot (-c) = b\cdot c

8) 7\cdot a +6 = 26\cdot a - 5 Propiedad distributiva/Definiciones de adición y sustracción.

9) 6+5 = 26\cdot a -7\cdot a Compatibilidad con la adición/Definición de sustracción.

10) 11 = 19\cdot a Propiedad distributiva/Definiciones de adición y sustracción.

11) 19\cdot a = 11 Simetría de la igualdad.

12) a = \frac{11}{19} Compatibilidad con la multiplicación/Existencia del inverso multiplicativo/Propiedad modulativa/Definición de división/Resultado.

La ecuación simplificada es  a = \frac{11}{19}.

8 0
3 years ago
Malika bought 7 new pairs of shoes. Each pair of shoes cost the same amount and was discounted by $21.75.
ikadub [295]

Multiply the amount of the discount by pairs of shoes:

21.75 x 7 = 152.25

Add that to the total she spent:

152.25 + 654.50 = 806.75

Divide the total by pairs of shoes:

806.75/7 = $115.25

The answer is C. $115.25

3 0
3 years ago
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