3 years ago

What characteristics of a business letter differ from a friendly letter? Check three that apply.

Mathematics

1 answer:

almond37 [142]3 years ago

6 0

Answer:

the first, second, and last

Step-by-step explanation:

u dont write jokes in a buisness letters cuz its not formal

and when u write to a friend u just talk normally not formally

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For every 6kg a child's weight, pediatricians prescribe 17mg of acetaminophen. If Lexie weighs 48 kg, how many milligrams of the

Inessa05 [86]

The answer will be 136mg
48/6=8
8*17=136mg

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3 years ago

What is the sum of a 7-term geometric series if the first term is −11, the last term is −171,875, and the common ratio is −5?

mr_godi [17]

The answer is -143231
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3 years ago

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Find the product. write your answer in exponential form 9²•9-⁶

enyata [817]

Answer:

9^8

Step-by-step explanation:

9²•9⁶ = 9^(2+6) = 9^8

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2 years ago

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Which graph shows a system of equations with no solutions?

podryga [215]

Graph of Parallel lines shows a system of equations with no solutions

Step-by-step explanation:

Consider a set of equations

$7x - 2y = 16\\21x + 6y =24$

If we solve this both equations using any one of the solving method, (Substitution method) then we will get

$7x-2y=16\\7x=16+2y\\x=\frac{16+2y}{7}$

substituting the following x in 2nd equation (21x + 6y = 24) We get

$21(\frac{16+2y}{7} )+6y=24\\3(16+2y)+6y=24\\48+6y+6y=24\\12y=24-48\\y=-\frac{24}{12} \\y=-2$

Put y= -2 in x equation

$x=\frac{16+2(-2)}{7}\\ x=\frac{16-4}{7}\\\x=\frac{12}{7} \\x=1.71$

Comparing these (x,y) values we can understand that they never meet at a point

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3 years ago

Do both of them for 50 points

erastovalidia [21]

Answer:

1) 5.44, 2) 3.9

Step-by-step explanation:

1) a/b + 2b - a^2 when a = 1.4 and b = 0.2

plug in the values:

1.4/0.2 + 2(0.2) - (1.4)^2 = 7 + 0.4 - 1.96 = 5.44

2) a[b-2c]^3 - d/e when a = 2, b = -0.75, c = -1, d = 0, e = -12 5/7 (rewritten to -89/7 = 12.71)

again, plug in the values:

2[-0.75-2(-1)]^3 - 0/12.71 = 2[1.25]^3 - 0 = 2[1.95] = 3.9

5 0

3 years ago