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mihalych1998 [28]
3 years ago
10

Find the difference in the weights of the largest land mammal, the male African elephant (1.4×104) and the largest sea mammal th

e blue whale (4.0×105).
Mathematics
1 answer:
Ivanshal [37]3 years ago
5 0
(4*105)-(1.4*105)
420-145.6
The answer is 274.4
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babunello [35]

Answer:

x=1, y=-4. (1, -4).

Step-by-step explanation:

y=-7x+3

y=-x-3

-------------

-7x+3=-x-3

-7x-(-x)+3=-3

-7x+x=-3-3

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6x=6

x=6/6

x=1

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3 0
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bekas [8.4K]

Answer:

x=4, y=2

Step-by-step explanation:

2x - y = 6  

x + y = 6

Add these together to eliminate y

2x - y = 6  

x + y = 6

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3x = 12

Divide by 3

3x/3 = 12/3

x=4

But we still need y

x+y =6

4+y =6

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4+y-4 = 6-4

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7 0
3 years ago
Find f(x) if it is known that f(x+3)=4x+12.
MArishka [77]

Solution:

we are given that

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we can find the value of f(x) by re-writing the given function in the form of f(x+3) and thereafter we will replace (x+3) by x.

we can re-write the given function as below

f(x+3)=4(x+3)\\\\\Rightarrow f(x)=4x\\

Hence the expression representing f(x) is f(x)=4x+3.

8 0
2 years ago
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Answer:

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2 years ago
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yan [13]
1,000 I guess I don't really understand the question
HAPPY THANKSGIVING!
7 0
3 years ago
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