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Irina-Kira [14]
4 years ago
8

A mathematics journal has accepted 15 articles for publication. However, due to budgetary restraints only 9 articles can be publ

ished this month. How many ways can the journal editor assemble 9 of the 15 articles for publication?
Mathematics
1 answer:
Katena32 [7]4 years ago
4 0
15!/(15-9)!= 32432400

i hate these so much hope it helps! :)
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The product of 7 and x is -28 what is the value of x
Sindrei [870]
The value of x is -4
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3 years ago
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This is super hard i needd help
natta225 [31]

Answer:

2587mm^3 approx!

Step-by-step explanation:

first you divide the nut into 6 part(in triangle now, by joining centre to each edge)

let's take one part of the triangular shape then area of that part can be found by using 1/2×base×height

i.e, 1/2×13×15=97.5(mm^2)

now when we consider depth of that traingular part,we will get volume of that part as area×depth

i.e, 97.5×6=585(mm^3)

now volume of all the 6 triangular part is 585×6=3510(in mm^3)

now take circular cavity in consideration, it's volume will be π(7^2)6=923(mm^3) approximately

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5 0
3 years ago
Given: △KLM, LM=20 3
egoroff_w [7]

Split the triangle into a 30-60-90 triangle. Since you have LM from that triangle, you can figure out the other sides. Then, using the leg from that triangle, the one next to it is a 45-45-90 triangle, meaning it's isosceles.

KM = 30 + 10√3

KL = 10√6

(sorry i'm not too sure if my "reasons" for statement/reason is correct)

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3 years ago
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Dr,Goode prescribes 0.2 grams of cold medicine for Donald. This medicine comes in tablets that are 0.5 grams or 0.05 grams. Shou
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Using proportions, it is found that Donald should order 4 of the 0.05 gram tablets.

  • This question is solved by proportions, using a <em>rule of three</em>.
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The <em>rule of three</em> is:

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Applying cross multiplication:

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x = \frac{0.2}{4}

x = 0.05

Donald should order 4 of the 0.05 gram tablets.

For more on proportions, you can check brainly.com/question/24372153

7 0
2 years ago
The scores on an exam are normally distributed, with a mean of 74 and a standard deviation of 7. What percent of the scores are
Lynna [10]
A normal distribution with a mean of 74 and a standard deviation of 7.
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A ) 84 % 
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