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Dmitriy789 [7]
3 years ago
13

Can someone please help me with question 7 8 and 9 please

Mathematics
1 answer:
Svetach [21]3 years ago
4 0

Answer:

7. n (Division sign) -5+1<7 = n<11   8. n (division sign) 3-2>-12= n>11      9. -2 x n-6>-18= n>-10

Step-by-step explanation:

I think this is right

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A convex polyhedron is made of 12 congruent faces like the one shown below. What is the name of the solid? A) dodecahedron ANSWE
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Step-by-step explanation:

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Ive been on vacation and forgot simple math what part of a function cant repeat? help pls
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The x-values cant repeat... Which is the first number in a ordered pair...

Step-by-step explanation:

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Ali wants to buy a piano. the piano measures 19/4 feet long. she has a space 5 feet
allsm [11]
She'll have enough room cause 19/4 needs to be a mixed number, which is 4 3/4 feet.
Hope this helps C=
8 0
3 years ago
To function properly, a water outflow pipe must drop 1 inch for every 22 inches of horizontal distance.
Hitman42 [59]
<span>a. Calculate the slope for this drain pipe.
1/22
b. A rainwater pipe 30 feet long must run under the edge of a roof. What is the minimum vertical distance the pipe must drop between its ends?

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Now times 1/22 x 360 = 16.32 inches . If they want it in feet just change 16.32 to feet by dividing 16.32 / 12

c. A design calls for a drainage pipe to cross a building 45 feet wide as it drops 25 inches. Is this pip steep enough to function properly? Explain.
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7 0
3 years ago
Read 2 more answers
On a fair 6-sided die each number has an equal probability p of being rolled. When a fair die is rolled n times, the most likely
Feliz [49]
A 1.5 standard deviation above the mean is
np + 1.5 <span>√(np(1-p))

We are given with
np = 200
p = 200/n
The standard deviation is
</span><span>√200(1-200/n))

Substituting
200 + 1.5 </span>√200(1-200/n))
By inspection, if the value of n is 200, then the radical will result to the value of 1. Only by increasing the value of n greater than 200 will the radical result to a value of less than 1 and decreasing the spread of the mean.
The answer is
the minimum is 201
the maximum is infinity
3 0
3 years ago
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