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xz_007 [3.2K]
3 years ago
5

The sum of 3 consecutive integers is 18. What is the greatest of these integers

Mathematics
1 answer:
VashaNatasha [74]3 years ago
6 0

Answer:

5+6+7=18, so the greatest of these integers is 7.

Step-by-step explanation:

Consecutive integers are numbers that come one right after the other, in chronological order, so by figuring out which numbers add up to 18 that go in chronological order, you will be able to find your greatest integer.

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The hypotenuse of a right triangle is 37 mm. One leg of the right triangle is 12 mm. What is the length of the other leg?
rjkz [21]
Use the pythagorean theorem:
a^2+b^2=c^2
12^2+b^2=37^2
144+b^2=1369
b^2=1225
\sqrt{b^2} = \sqrt{1225}
b=35
Your answer is 35mm.
3 0
3 years ago
What is (x+3i)(x-3i)(x+1)(x-1) multiplied out?
morpeh [17]
We can start with the first two sets

(x+3i)(x-3i) = x²-9i² then simplify it to x²+9

multiply the next two

(x+1)(x-1) = x²-1

then multiply those two together

(x²+9)(x²-1) = x∧4-x²+9x²-9

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that is your answer
7 0
3 years ago
State the property of logarithms used to rewrite the expression:<br> logs 6 - logs 2 = log: 3
yaroslaw [1]

Answer:

log_{s}6 -  log_{s}2 \\ =   log_{s}( \frac{6}{2} ) \\  =  log_{s}3

6 0
3 years ago
5.
snow_lady [41]
D: -4x^2 has the narrowest graph
8 0
3 years ago
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ritu can row downstream 20km in 2 hrs and upstream 4km in 2 hrs. find the speed of rowing in still water and the speed of the cu
Marina CMI [18]

Answer:

Speed of boat in still water is 6km/h

Speed of current is 4km/h

Step-by-step explanation:

We know speed = distance / time

Let the speed of boat in still water be x

Let the speed of current be y

Hence the speed of boat, down stream = x+y

Distance downstream = 20km

Time taken = 2 hours

We have

x+y=\frac{20}{2}

x+y=10       ......(1)

Speed of boat upstream = x-y

Distance upstream = 4

Time taken = 2

We have

x-y=\frac{4}{2}

x-y=2    ...(2)

Adding (1) & (2)

2x=12

x=6

Substituting in (1) we get

y=4

7 0
3 years ago
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