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DiKsa [7]
2 years ago
6

Prove: a/(b+c)+b/(a+c)+c/(a+b)<2

Mathematics
1 answer:
faust18 [17]2 years ago
4 0

Answer:

Step-by-step explanation:

a/(b+c) < 2a/(a+b+c)

b/(a+c) < 2b/(a+b+c)

c/(a+b) <2c/ (a+b+c)

so a/(b+c)+b/(a+c)+c/(a+b) <2(a+b+c)/(a+b+c)=2

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Frog A eats 8 flies in 4 minutes, while Frog B eats 14 flies in 7 minutes. Which frog eats more flies per minute?
lions [1.4K]
<h3>Answer:</h3>

Neither one

<h3>Step-by-step explanation:</h3>

Frog A's "unit rate" is ...

... (8 flies)/(4 minutes) = 2 flies/minute

Frog B's "unit rate" is ...

... (14 flies)/(7 minutes) = 2 flies/minute

Both rates are the same. Each frog eats 2 flies per minute.

8 0
3 years ago
7th grade math help me pleaseeee
Eduardwww [97]

Answer:

4x + 5y = 20

Step-by-step explanation:

4x + 5y = 20

5y = -4x + 20      (Subtract 4x to isolate 5y. Put the 4x in front of the 20)

y = -\frac{4}{5}x + 4         (Divide all by 5 to isolate y)

And then it's done and in slope-intercept form

-1< -\frac{4}{5} < 0        or -\frac{4}{5} is greater than -1 but less than 0

I hope this helped :)

3 0
3 years ago
Find the minimum or maximum value of the function g(x)=−4x^2+16x−15
lara31 [8.8K]

Answer:

(-2, -31)

Extra Letters.

8 0
2 years ago
Read 2 more answers
Help me out with this question (geometry)
nadezda [96]

Answer:

116

Step-by-step explanation:

13x-1 = 2(6x+4)

13x-1 = 12x+8

x=9

6 0
3 years ago
Jenna had 45 yards of yarn. She used 1/5 of it for a kitting project. How much yarn did she use
erastovalidia [21]
You want to divide 45 by 5.

45/5= 9

She used 9 yards of yarn for her knitting project.

I hope this helps!
~kaikers
5 0
3 years ago
Read 2 more answers
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