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Alex787 [66]
3 years ago
6

I need help right now please

Mathematics
1 answer:
kaheart [24]3 years ago
4 0
66. 10a-4
67. 7x+y
68. -4k-9
69. -21x-15
70. 100y+6
71. -88r-9s
72. 24x-25t
73. 20a-10b-6c
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Johny Deposited 50000 rupees, Jaleel 40000 and Jaleel 20000 rupees to start a business together.They got 3300 rupees as a profit
Andrews [41]

Step-by-step explanation:

Step one:

Johny Deposited 50000 rupees,

Jaleel 40000 and

Jaleel 20000 rupees

total deposits = 110,000

They got 3300 rupees as a profit in a month

Johny's investment in percent

50000/110000= 0.45%

Jaleel's investment in percent

40000/110000= 0.36%

Jaleel's(2) investment in percent

50000/110000= 0.18%

They will get

Johny =0.45*33000= 1485 rupees

Jaleel= 0.36*3300= 1188 rupees

Jaleel(2)= 0.18*3300=594 rupees

7 0
3 years ago
Assume the total cost of a tertiary education will be R75 000 when your child enters university in 18 years. You presently have
marshall27 [118]

Answer: you need 5000 more

Step-by-step explanation: 70000 + 5000= 75000

8 0
3 years ago
Marcus is comparing the costs of two cellular phone services.
kolbaska11 [484]

The true statements about Marcus graph are:

  • The initial cost of phone service 1 is greater than the initial cost of phone service 2
  • The unit rate of phone service 2 is greater than the unit rate of phone service 2

<h3>How to determine the true statement</h3>

From the complete question, we have the following parameters:

<u>Phone service 1</u>

  • Initial cost: $40
  • Rate: $8.50 per service

<u>Phone service 2</u>

  • Initial cost: $30
  • Rate: $10.50 per service

By comparing the above parameters:

  • The initial cost of phone service 1 is greater than the initial cost of phone service 2
  • The unit rate of phone service 2 is greater than the unit rate of phone service 2

The above statements represent the true statements about the Marcus' graph

Read more about graphs at:

brainly.com/question/14323743

7 0
2 years ago
For each of the questions below, use the equations:
natka813 [3]

Ok, so you want to substitute g and f in these equations so the f(x) = 2x+3x2-5 is equal to 10+6-5 or 11. The other equation is equal to 19. For the explanation put " I found this answer by substituting the given values for the variables in the equation". Your Welcome!


6 0
3 years ago
555 grams of wool were needed to knit a sweater, a hat and a scarf. The hat required 5 times less wool than the sweater and 5 gr
Black_prince [1.1K]

Let x grams used for sweater.

Then since hat required 5 times less wool than sweater

wool used for hat = x/6 (since 5 times less)

Scarf wool=wool for hat - 5

= x/6 -5

Total wool used = wool for sweater + hat + scarf

= x+x/6+x/6-5

Given total wool used = 555 gms.

i.e. x+x/6+x/6-5 = 555

8x/6= 560

x = 560(6/8) = 420

i.e. For sweater = 420 gm of wool

for hat = 70 gm of wool

and for scarf = 65 gm of wool were used.

4 0
3 years ago
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