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LenaWriter [7]
3 years ago
8

A recipe needs 5/4 of a cup of sugar you are going to triple the recipe how much sugar do you need?

Mathematics
2 answers:
Schach [20]3 years ago
8 0
The answer is 16/2 cups of sugar
Nadya [2.5K]3 years ago
5 0
If a recipe needs \frac{5}{4} cups of sugar, and you are going to triple the recipe, you'd have to multiple that amount by 3. So basically : 

\frac{5}{4} × \frac{3}{1} is \frac{15}{4}. That's the answer in fraction form, at least. In number form, the answer would be 3.75. Once this number is converted into fraction form once again. it would be 3 \frac{3}{4}
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elena-s [515]
-----------------------------<span />

8 0
3 years ago
4x+5y-5z=196 -11x-7y+12z=-211 -8x-9y-z=-236 Solve for x y z
FrozenT [24]
Have you learned matrices yet? I'm going to use that to solve these, please refer to the photos.

I solved the system by using a matrix calculation. The work always needs to be shown and you do that by setting up the matrix like in the first photo and also writing out all your equations. In a TI calculator, to do this you press 2ND-X^-1,GO TO EDIT - [A] - 3×4- now enter the coefficient of the system of equations variables. NOW 2ND MODE- 2ND-X^-1 -GO TO MATH- ALPHA APPS

Now, if you don't know this you may be confuse so after rref([A]) was enter a matrix came up with [1 0 0 -21] in the top row this means x equal -21. So, the next row is y and it came out as [0 1 0 46] so y equals 46 and I'm going to let you figure out what z is by looking at the matrix.

SO... X=-21 Y=46 and Z=-10

Let's Test it

4x + 5y - 5z = 196 \\ 4( - 21) + 5(46) - 5( - 10) = 196 \\  - 84 + 230 + 50 = 196 \\ 196 = 196



3 0
2 years ago
Read 2 more answers
Anais bought 212212 yards of ribbon. She had 2 feet 8 inches of ribbon left after trimming some curtains. How many inches of rib
jonny [76]
2 1/2 yds = 2.5 x 36 = 90 inches...what she started with

2 ft 8 in = 2(12) + 8 = 32 inches...what she had left

90 - x = 32 
90 - 32 = x
x = 58 inches....so she used 58 inches


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Answer:

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Step-by-step explanation:

I hope I helped! ^-^

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