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stich3 [128]
3 years ago
15

PLEASE HELP !!!

Mathematics
1 answer:
kobusy [5.1K]3 years ago
7 0
Help with what. Hahahaha
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Simplify: 3(9+3⋅8)−23
Artyom0805 [142]

Answer:

15.4

Step-by-step explanation:

3(9+3⋅8)−23

3(12.8)-23

38.4-23

15.4

So the answer is15.4

4 0
3 years ago
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Evaluate the following expression<br> (a+b)^0
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2 years ago
It is required to make 14 grams of certain chemical compound called Z. This is made from compounds W, X, and Y in the ratio of 2
dexar [7]

Answer:

W = 9.33 grams

X = 4.67 grams

Step-by-step explanation:

Given;

Mass of Z to be made = 14 grams

Composition of Z

W:X:Y = 2:1:3

To make 6 grams of Y requires 4 grams of W and 2 grams of X

Composition of Y (for 6grams)

W:X = 4:2 = 2:1

Substituting the composition of Y to Z

Z = W:X:Y = 2:1:3

Z = W:X:W:X = 2:1:2:1

summing them up, we have;

Z = W:X = 4:2 = 2:1

Since the final mixing ratio for W and X are 2:1, to make 14 grams of Z, we need;

W = 2/3 × 14grams = 28/3 grams

W = 9.33 grams

X = 1/3 × 14grams = 14/3 grams

X = 4.67 grams

8 0
3 years ago
a moving company had 1/6 of a ton of weight to move across town. if they wanted to split it up equally amongst 4 trips how much
aivan3 [116]

Answer:

Each trip = (1/6) /4 = 1/24 ton

Step-by-step explanation:

4 0
3 years ago
Help.. hello this is geometry right triangles test thanks
Sergeu [11.5K]

Answer:

r2 + h2 = t2

Step-by-step explanation:

pythagorean theorem : a2 + b2 = c2

8 0
3 years ago
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