The joint of meat needs to be cooked for 30 minutes per 500 g plus an extra 20 minutes. How long will it take to cook a joint of meat weighting 2.5 kilo grand?

Answers

Answer 1
Answer: The equation made from this is:
Let x = each 500 grams

Cooking time = 30x + 20

2.5 kg = 2500 grams
2500 / 5 = 5
X = 5

We put this in to the equation,
30*5 + 20 = 170 minutes

It will take 170 minutes to cook a joint of meat weighing 2.5 kilograms

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What is a trinomial?​

Answers

Answer:

(of an algebraic expression) consisting of three terms.

Example:

3x2 − 3y2 + 2

Bob!.$ jacks shjskss

Please Help Somone What is the solution to y = 2x + 3 for the replacement set x = {1.3}?(__,__) There are two answers

Answers

y=5.6

:::::::hope this helps

The answer is 6,0 i promise

What is the value of a in the equation 5 a minus 10 b equals 45, when b equals 3?3
15
21
39

Answers

Answer:

15

Step-by-step explanation:

Given:

  • 5a - 10b = 45
  • b = 3,

Finding the value of a, solving the equation, considering the value of b=3:

  • 5a - 10*3 = 45
  • 5a = 45+30
  • 5a= 75
  • a= 75/5
  • a= 15

Correct choice is15

Answer:

B. 15

Step-by-step explanation:

How many solutions are there to the equation below ? 8x+47 =8 (x+5)

Answers

First, distribute the right side.

8*(x + 5) = 8x + 40

Then, we write the whole equation:

8x + 47 = 8x + 40

Looking at it, we can subtract 8x from both sides, so that we're left with:

47 = 40

However, we obviously know that 47 is NOT equal to 40, so there is no solution for this equation.

Is one third less than one half

Answers

Yes. One half of something is bigger than 1/3 of it. Think of it as a pie. The more pieces you cut it into, the smaller they are. Therefore, if you cut it in 2 pieces and take one, it will be bigger if it were cut into 3 pieces.
Yes. One third is lest then one half.

1/3(2x-4)+5=-2/3(x+1)

Answers

(1)/(3) (2x-4)+5=- (2)/(3)(x + 1) \n \n  (2x-4)/(3) +5=- (2)/(3) (x + 1) \n \n  (2x-4)/(3) +5=- (2(x + 1))/(3) \n \n 2(x - 2) + 15 = -2(x + 1) \n \n 2x - 4 + 15 = -2x - 2 \n \n 2x + 11 = -2x - 2 \n \n 2x + 11 + 2x = -2 \n \n 4x + 11 = -2 \n \n 4x = -2 - 11 \n \n 4x = -13 \n \n x = - (13)/(4) \n \n Answer: \fbox {x = -13/4} \ or \ \fbox {-3.25}
(1)/(3)(2x-4)+5=-(2)/(3)(x+1)\n\n3 *[ (1)/(3)(2x-4)+5] = 3* -(2)/(3)(x+1)\n\n(2x-4) + 15 = -2(x+1)\n\n2x - 4 + 15 = -2(x+1)\n\n2x + 11 = -2(x+1) \n\n2x + 11 = -2x -2\n\n4x + 11 = -2\n\n4x = -13\n\n\boxed{\bf{x = -(13)/(4)}}