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alexandr1967 [171]
3 years ago
8

Which of the following inequalities is false?

Mathematics
1 answer:
FrozenT [24]3 years ago
7 0
D is the answer because-8 is further down the number line than -1
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An agricultural sprinkler distributes water in a circular pattern of radius 110 ft. It supplies water to a depth of e−r feet per
ludmilkaskok [199]

Answer:

the total amount of water supplier per hour to the region within a circle of radius R=110 ( that is from distance r, 0<r<110)

W(R) = 2\pi [1-(R+1)e^{-R}]

Step-by-step explanation:

if f(r) describes the water supplied at a distance r , the total amount supplied inside a region that goes from 0 until the circle of radius R, is the sum of all f(r) values from 0 until R, that is the integral value over these limits.

The formula deduction can be found in the attached picture

There is an "r" that multiplies e^-r as result of changing from rectangular coordinates to polar ones.(dx*dy --> r*dr*da)

5 0
3 years ago
George used the diagram below to help determine 30% of 60. Which expression could George have used?
VARVARA [1.3K]

Answer:

(3)(6)

Step-by-step explanation:

1st. Find the answer(60*30%=18)

2nd. Find the option that equals 18 which was (3)(6)

Basically, for all of questions that ask for a different way to express it, multiply the total amount by the percentage(or decimal/fraction) and find the other expression with the same answer.

6 0
3 years ago
Read 2 more answers
Angles 1 and 2 are supplementary.
Phantasy [73]

Answer:

m∡1 + m∡2 = 180

Step-by-step explanation:

m∡1 + m∡2 = 180

This is because supplementary means they add up to 180°.

3 0
3 years ago
a cell phone company charges $42 per month of service the cost of a new cell phone plus 8 months of service is $415.99 how much
salantis [7]
1247.97 so you have to skip count
3 0
3 years ago
-1 + 4x=3x +3<br> Solve for x ?
docker41 [41]

Answer:

x = 4

Step-by-step explanation:

1. Regroup terms.

4x  - 1 = 3x + 3

2. Add 1 to both sides.

4x = 3x + 3 + 1

3. Simplify 3x + 3 + 1 to 3x + 4.

4x = 3x + 4

4. Subtrect 3x from both sides.

4x - 3x = 4

5. Simplify 4x - 3x to x.

x = 4

Therefor, the answer is, x = 4.

5 0
3 years ago
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