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Svetradugi [14.3K]
3 years ago
13

40,000 is 10 times as much as

Mathematics
1 answer:
Dimas [21]3 years ago
3 0
40,000 is 10 times as much as 4,000
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the sum of two consecutive integers is at most the difference between nine times the smaller and five times the larger
Harman [31]

two consecutive integers: x,x+1

x+(x+1) = 9(x) - 5(x+1)

2x+1 = 9x-5x-5

2x+1 = 4x-5

subtract 2x from each side

1 = 2x-5

add 5 to each side

6 = 2x

divide by 2

x=3

the integers are 3 and 4

4 0
4 years ago
Which of the following is an improper integral?
guapka [62]

Answer:

A)  \displaystyle \int\limits^3_0 {\frac{x + 1}{3x - 2}} \, dx

General Formulas and Concepts:

<u>Calculus</u>

Discontinuities

  • Removable (Hole)
  • Jump
  • Infinite (Asymptote)

Integration

  • Integrals
  • Definite Integrals
  • Integration Constant C
  • Improper Integrals

Step-by-step explanation:

Let's define our answer choices:

A)  \displaystyle \int\limits^3_0 {\frac{x + 1}{3x - 2}} \, dx

B)  \displaystyle \int\limits^3_1 {\frac{x + 1}{3x - 2}} \, dx

C)  \displaystyle \int\limits^0_{-1} {\frac{x + 1}{3x - 2}} \, dx

D) None of these

We can see that we would have a infinite discontinuity if x = 2/3, as it would make the denominator 0 and we cannot divide by 0. Therefore, any interval that includes the value 2/3 would have to be rewritten and evaluated as an improper integral.

Of all the answer choices, we can see that A's bounds of integration (interval) includes x = 2/3.

∴ our answer is A.

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit:  Integration

Book: College Calculus 10e

6 0
3 years ago
Does anybody get this or am I the only one confused?
Anika [276]

Answer:

Step-by-step explanation:

nah man. i dont get it either

7 0
4 years ago
Read 2 more answers
When twice a number is subtracted from 29 the result is 21 find the number
Gre4nikov [31]
X= a number

29 - 2x= 21
subtract 29 from both sides
-2x= -8
divide both sides by -2
x= 4

CHECK:
29 - 2x= 21
29 - 2(4)= 21
29 - 8= 21
21= 21

ANSWER: The number is 4.

Hope this helps! :)
4 0
3 years ago
The service times for customers coming through a checkout counter in a retail
notka56 [123]

Answer:

38.2  %

Step-by-step explanation:

120/100 = 1.2 (average time)

(1.2 - 1.5)/1 = -.3

z table value for "-.3" is .3821

8 0
3 years ago
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