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KIM [24]
3 years ago
15

Dorene purchased a chocolate bar in a shape of a triangular prism at the local candy store.If the chocolate bar has a base area

of 12 square units and a height of 8 units, how many cubic units of chocolates did dorene bu
Mathematics
1 answer:
Vlad [161]3 years ago
5 0
Base area x Height
12 x 8 = 96 cubic units
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Solve the following simultaneous equation using either the substitution method or the elimination method, showing all the necess
slavikrds [6]

Answer:

x=1\frac{83}{91}\\y=-2\frac{73}{91}

Step-by-step explanation:

#Using the method of substitution and replacement of unknown values.

Given that

\frac{3}{2}x+\frac{2}{3}y=1...(i)\\and\\\frac{1}{6}x-\frac{3}{5}y=2...(ii)\\

Express eqtn (ii) in terms of x

\frac{1}{6}x=2+\frac{3}{5}y\\x=12+\frac{18}{5}y

Replacing for x in eqtn (i)

\frac{3}{2}(12+\frac{18}{5}y)+\frac{2}{3}y=1\\18+\frac{27}{5}y+\frac{2}{3}y=1\\18-1=-\frac{91}{15}y\\y=-2\frac{73}{91}

Substitute y value in eqtn(ii) to obtain x

Y=-2\frac{73}{91}\\\frac{1}{6}x-\frac{3}{5}y=2\\x=2+\frac{3}{5}(-2\frac{73}{91})\\x=1\frac{83}{91}

4 0
3 years ago
What is the answer to 40x 2/6<br> Explain how u got the answer also
Nimfa-mama [501]
The fraction form of this is 40/3, decimal form is 13.3 infinite.
Use whichever form your teacher wants you to use. (Refer to the image for the steps)

8 0
2 years ago
What number needs to be added to make a mean of 80 with the numbers 71 80 and 86
pentagon [3]
80*4=320-(71+80+86)=83 So 83 needs to be added.
3 0
3 years ago
Given the following functions:
andrew-mc [135]

Answer:

x^2 - 6x + 9.

Step-by-step explanation:

f(x) = x^2 and g(x) = x - 3.

To find f(g(x))  we replace the x in f(x) by g(x).

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= x^2 - 6x + 9.

5 0
3 years ago
1 and 2 thirds + 1 and a half ?
Rina8888 [55]

Answer:

1 2/3 + 1 1/2

Step-by-step explanation:

3 1/6

8 0
3 years ago
Read 2 more answers
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