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Zolol [24]
3 years ago
14

If r + t = 10 and -r + t = 4, What is the value of 5r + 8t?

Mathematics
1 answer:
ikadub [295]3 years ago
7 0

Answer:

71

Step-by-step explanation:

Start solving using simultaneous equation,From there, we have r to be 3 and t to be 7

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nirvana33 [79]
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3 years ago
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Liam has 5 kg of plant food. If he uses 25 g of the food on each plant, how many plants can he feed?​
bearhunter [10]

Answer:

He can feed 200 plants

Step-by-step explanation:

To solve this, we will follow the step below:

first, convert 25 g to kg

25 g = 25/1000 = 0.025 kg

Now using proportion to solve;

Let x be the number of food plant he can feed the plant

0.025 kg = 1

5 kg        = x

cross-multiply

0.025×x = 5×1

0.025x =5

Divide both-side of the equation by 0.025

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x=200  plants

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3 0
3 years ago
Use properties to rewrite the given equation. Which equations have the same solution as 2.3p – 10.1 = 6.5p – 4 – 0.01p? Select t
hichkok12 [17]

The equation that has the same solution as  2.3p – 10.1 = 6.5p – 4 – 0.01p are as follows;

  • 2.3p – 10.1 = 6.49p – 4
  • 230p - 1010 = 649p - 400

<h3>How to rewrite an equation? </h3>

2.3p – 10.1 = 6.5p – 4 – 0.01p

The equation that has the same solution as above can be found as follows;

2.3p – 10.1 = 6.5p – 4 – 0.01p

combine like terms

2.3p – 10.1 = 6.5p – 0.01p - 4

2.3p – 10.1 = 6.49p – 4

Multiply through by 100.

Therefore,

230p - 1010 = 649p - 400

learn more on equation here: brainly.com/question/26005958

#SPJ1

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2 years ago
3÷3912.00 carry to the hundreth
irga5000 [103]
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What is the maximum number of y-intercepts a line can have?<br> I will mark brainliest!
Tamiku [17]

Answer:

one

Step-by-step explanation:

The maximum number of y intercepts a line can have is one

A line can only cross the y axis one time

A line can only cross the x axis one time

Otherwise it is not linear

3 0
3 years ago
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