3 years ago

10-3.10-4 = 10 Evaluate

Mathematics

1 answer:

zysi [14]3 years ago

5 0

Answer:

2.9=10

Step-by-step explanation:

10-3.10-4=10

Simplify

2.9=10

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5-p=r-3 multi step equation

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Answer:

r+p=-8

Step-by-step explanation:

5-p=r-3

5+3-p-r=0

8-p-r=0

r+p=-8

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3 years ago

What’s the answer to -x= -14 How do you do it?

denis23 [38]

Step-by-step explanation:

multiply both sides by -1

x = 14

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3 years ago

Solve x + 2∕5 = 1∕3 for x.

Naya [18.7K]

Answer:

2.2360679775

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3 years ago

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Three planes intersect in<br> Select one:<br> O a. a plane<br> O b. a point<br> O c. a line segment

Arada [10]

Answer:

a line segment ✓....,.........

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3 years ago

3. From the table below, find Prof. Xin expected value of lateness. (5 points) Lateness P(Lateness) On Time 4/5 1 Hour Late 1/10

wariber [46]

Answer:

The expected value of lateness $\frac{7}{20}$ hours.

Step-by-step explanation:

The probability distribution of lateness is as follows:

Lateness P (Lateness)

On Time 4/5

1 Hour Late 1/10

2 Hours Late 1/20

3 Hours Late 1/20

The formula of expected value of a random variable is:

$E(X)=\sum x\cdot P(X=x)$

Compute the expected value of lateness as follows:

$E(X)=\sum x\cdot P(X=x)$

$=(0\times \frac{4}{5})+(1\times \frac{1}{10})+(2\times \frac{1}{20})+(3\times \frac{1}{20})\\\\=0+\frac{1}{10}+\frac{1}{10}+\frac{3}{20}\\\\=\frac{2+2+3}{20}\\\\=\frac{7}{20}$

Thus, the expected value of lateness $\frac{7}{20}$ hours.

8 0

3 years ago