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melomori [17]
3 years ago
11

Simplify the expression

Mathematics
1 answer:
NISA [10]3 years ago
6 0
The answer is here its B
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Hurry please help me!
Dennis_Churaev [7]

Answer:

  • d. 23

Step-by-step explanation:

Let the number of cars be x and buses be y

<u>Then we have below inequalities as per given:</u>

  • 5x + 32y ≤ 1310
  • x + y ≤ 135

It is easy to notice that cars occupy 6 times less area than buses but cost of parking is 3 times less. So we would need maximum number of cars and minimum number of buses to maximize income

<u>Let's assume there are 135 cars and buses, then from the second inequality:</u>

  • x = 135 - y

<u>Substitute it in the first one:</u>

  • 5(135 - y) + 32y ≤ 1310
  • 675 - 5y + 32y ≤ 1310
  • 27y ≤ 1310 - 675
  • 27y ≤ 635
  • y ≤ 635/27
  • y≤ 23.5

The greatest number of buses is 23

Option D. 23 is correct

5 0
4 years ago
Carlos tiene una produccion semanal de 500kg de papas negras y 600kg de batatas al cabo de 12 semanas de ¿cuanto sera la producc
REY [17]

Step-by-step explanation:

<u />

<u>1.Producción semanal de papas negras</u>:500kg x 12 semanas=6.000kg por 12 semanas de papa negra

<u>2.Producción semanal de batatas:</u> 600 kg x 12 semanas=7.200kg por 12 semanas de batata

<u>3.Producción total</u>: Para obtenerla producción total sumamos el total producido por las 12 semanas entre papa negra y batata.Entonces tenemos:

6.000kg de papa negra + 7.200 kg de batata=<u>13.200 kg </u>de producido total  entre papa negra y batata por 12 semanas

4 0
3 years ago
I need help never did this before
skad [1K]
1 and 6
16
2,1,and 7
2 and 17 
and so on if u get the pattern


5 0
4 years ago
Read 2 more answers
How to solve 8x + 7= 31 step by step
Masteriza [31]

Answer:

3

Step-by-step explanation:

8x + 7 = 31                      Subtract 7 from both sides

  <u>   -7      -7</u>

8x =       24                    Divide by 8

8x/8  =   24/8

x = 3

3 0
3 years ago
Read 2 more answers
In a class of 30 students 15 know Italian, 10 know French, and 3 know both languages. The rest of the students learn Spanish. Ho
never [62]

8 students know Spanish since 12 students know French and 7 students know Italian

4 0
3 years ago
Read 2 more answers
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