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hram777 [196]
3 years ago
15

There are 5 envelopes in a box. The envelopes contain a penny, a nickel, a dime, a quarter, and a half-dollar. A person selects

an envelope. Find the expected value of the draw
Mathematics
1 answer:
Irina18 [472]3 years ago
7 0
17 1/5 this is the answer right here your welcome
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Paula a college student earned $3,600 one summer during the following semester she spent $2500 for tuition $650 for rent and $43
Fed [463]
The fraction you are looking for is expenses/earnings 

So (2500+650+434)/3600
=224/225 

If you want to turn this into a percentage just multiply by 100, to give you 99.56%.
3 0
3 years ago
3(2x-5)= 5(x-4)<br>help pls
yan [13]
This is simple simplifying. If you need an explanation dm me.
here is the answer
x=-5
7 0
3 years ago
Read 2 more answers
Which statements are true about the reflections symmetry of a regular heptagon?
lakkis [162]

Answer:

some statements that are true are :

Step-by-step explanation:

it has only 1 line of reflectional symmetry.

a line of symmetry will connect 2 vertices.

a line of symmetry will connect a vertex and a midpoint of an opposite side.

it has 7 fold symmetry.

a line of symmetry will connect the midpoints of 2 opposite sides.

3 0
3 years ago
Anthony drove 765 miles in two days. At this rate, how many miles will he drive in 3.5 days
rosijanka [135]

Answer:

1,338.75 miles in 3.5 days.

Step-by-step explanation:

What I did was first, 765/2=382.5

Then I did 382.5x3.5=1338.75(rounded 1339 or 1340)

Hope this helps.

4 0
3 years ago
Read 2 more answers
Graph the line that has a slope of 1/9 and includes the point (0,8)
Crank

Answer:

Step-by-step explanation:

y = mx + b

slope(m) = 1/9

y int (b) = 8.....or (0,8)

y = 1/9x + 8.....this is ur equation

ur x intercept is : (can be found by subbing in 0 for y

0 = 1/9x + 8

-1/9x = 8

x = 8 * -9

x = - 72....or (-72,0)

7 0
3 years ago
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