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Bess [88]
3 years ago
13

Which expression is equivalent to 5 (a + b)

Mathematics
1 answer:
pav-90 [236]3 years ago
5 0
I need to see the expressions to answer your question sorry
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Write a direct variation equation that relates x and y.
GenaCL600 [577]

Answer:

d

Step-by-step explanation:

4 0
3 years ago
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Two construction contracts are to be randomly assigned to one or more of three firms: I, II, and III. Any firm may receive both
vichka [17]

Answer:

The owner's total profit is $120,000.

Step-by-step explanation:

Assume that:

<em>X</em>₁ = contract is assigned to firm 1

<em>X</em>₂ = contract is assigned to firm 2

The sample space for assigning the two contracts is:

S = {(I, I), (I, II), (I, III), (II, I), (II, II), (II, III), (III, I), (III, II) and (III, III)}

There are total of 9 possible combinations.

So, the probability of selecting any of the combination is, 1/9.

Compute the probability distribution of <em>X</em>₁ and <em>X</em>₂ as follows:

<em>X</em>₁      P (<em>X</em>₁)                      <em>X</em>₂        P (<em>X</em>₂)

0        4/9                        0           4/9

1         4/9                        1            4/9

2         1/9                        2           1/9

Compute the expected values of <em>X</em>₁ and <em>X</em>₂ as follows:

E(X_{1})=\sum X_{1}\cdot P(X_{1})\\\\=(0\times\frac{4}{9})+(1\times\frac{4}{9})+(2\times\frac{1}{9})\\\\=\frac{6}{9}\\\\=\frac{2}{3}               E(X_{2})=\sum X_{2}\cdot P(X_{2})\\\\=(0\times\frac{4}{9})+(1\times\frac{4}{9})+(2\times\frac{1}{9})\\\\=\frac{6}{9}\\\\=\frac{2}{3}

It is provided that each contract will yield a profit of $90,000.

Compute the owner's total profit as follows:

\text{Total Profit}=\text{Profit}\times [E(X_{1})+E(X_{2})]

                   =90000\times[\frac{2}{3}+\frac{2}{3}]\\\\=120000

Thus, the owner's total profit is $120,000.

7 0
3 years ago
Show me STEP by STEP how to convert 5,807 Km to meters.
jonny [76]

for converting km to meters

1 km = 1000 m

5807 km = 1000 × 5807 m

= 5807000m ...

for converting cups to gallons

1 cup = 0.0625 gallons

2144 cups = 0.0625 × 2144 gallons

= 134 gallons

3 0
3 years ago
You are building a tree house and bought plans online. However the plans are in metric unit and your tape measure only has feet.
miv72 [106K]
11ft 5.79 inches but.I dont know how much extra the foot is
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ASAP ASAP ASAP PLEASE ANSWER BOTH QUESTIONS HELP ME PLEASE
MariettaO [177]
I can’t see any questions
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