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Stella [2.4K]
3 years ago
13

A computer programmer worked for 10 hours and earned $70, which is a of $__ per hour

Mathematics
1 answer:
son4ous [18]3 years ago
6 0

Answer:

$7 per hour

Step-by-step explanation:

just divide 70 from 10

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The area of a rectangular vegetable garden is 200 feet. The width is 10 feet. What is the length?
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Answer:

The length is 20 ft. 10ft times 20ft = 200ft^2

Step-by-step explanation:

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3 years ago
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Cards. A deck of 52 cards is shuffled and dealt. Find the probabilities of the following events: a) the tenth card is a queen; b
Veronika [31]

Answer:

  • 0.0374
  • 0.0010

Step-by-step explanation:

number of cards = 52

number of queen = 4

number of spades = 13

A) probability that the tenth card is a queen

drawn time (r) = 1

position of success(x) = 10th

p = 4/52

P( x,r,p) = x-1Cr-1*p^(r) * q^(x-r)

p(10,1,4/52) = 9C0(4/52)^1 * (48/52)^9 = 0.0374

B) probability the twentieth card is a spade

x = 20

r = 1

p = 13 / 52

P(20,1,26/52) = 19C0(26/52)^1 * (26/52)^19 = 0.0010

c)  The last five cards been spades

p(last five cards been spades )

p(48..52, 5, 13/52 ) = 47...52C4(13/52)^5 * (39/52)^48..52 - 5

 

4 0
3 years ago
One of the ancient stone pyramids in Egypt has a square base that measures 140 m on each side. The height is 96 m. What is the v
miv72 [106K]

Volume of a pyramid = \frac{1}{3}*base*height

Given base is = 140 m

Given height is = 96 m

Volume = \frac{1}{3}\times140\times96=4480

Hence, volume of pyramid is 4480 m³

4 0
3 years ago
Find the measure of angel 3
Elena-2011 [213]

Answer:

100

Step-by-step explanation:

Remark

If two opposite arcs are given by being opposite vertically opposite angles, then the value of both the vertically opposite angles are equal to

Vertically opposite angle = 1/2 (arc1 + arc2)

Givens

Arc1 = 60

Arc2 = 100

Solution

The red dot angle = 1/2 (60 + 100)

The red dot angle = 1/2(160)

The red dot angle = 80

Because the red dot angle and <3 are on the same line with the same common point, they are supplementary.

<3 and red dot = 180

<3 + 80 = 180                          Subtract 80 from both sides

<3 = 180 - 80

<3 = 100

8 0
3 years ago
As part of a college literature course, students must select three classic works of literature from the provided list and comple
monitta

Answer:

B. List each book on a separate piece of paper, place them all in a hat, and pick three

D. Number the books from 1 to 9 and use a random number table to produce 3 different one digit numbers corresponding to the books selected

Step-by-step explanation:

A simple random sample is a subset of a statistical population where every member has an equal chance of being selected.For example in a company with 500 workers, names of 100 workers can be selected from a hat containing the names of 500 workers.

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