3 years ago

I need help understanding #6

1 answer:

4 0

The length of any two sides of a triangle must be larger than the remaining side, otherwise you won't have a connecting triangle.

So if AB is the largest side, then AC needs to be greater than 2. And if AC is the largest side, AC must be less than 8. Which means the answer is B.

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The sum of two nonzero real numbers is 4 times their product. What is the sum of the reciprocals of the two numbers

zlopas [31]

Answer:

Step-by-step explanation:

If the two numbers are 'a' and 'b', the sum of their reciprocals is ...

$\dfrac{1}{a}+\dfrac{1}{b}=\dfrac{a+b}{ab}=\dfrac{4ab}{ab}=\boxed{4}$

The sum of their reciprocals is 4.

7 0

3 years ago

Thissssssssssssssss sssss

Gnoma [55]

Answer:

x=4

Step-by-step explanation:

DE+EF=DF

(x-1)+(3x+3)=(5x-2)

x-1+3x+3=5x-2

4x+2=5x-2

-x=-4

x=4

4 0

3 years ago

Levin borrowed $5,000 from the bank to make home improvements. The bank he chose to borrow from charges a simple interest rate o

Lesechka [4]

ANSWER:
5900$

EXPLICATION:
5000$ represents 100% of the loan
We have to find out how much is a 6% of this loan.

100%—->5000$
6%—->6x100/5000=300$

So he have to pay 300$ per year
So in three years it will be 300x3=900$
We add it to the loan and we got 5900$

5 0

3 years ago

Irina predicted that she would sell 75 books, but she actually sold 95 books. Which expression would find the percent error? Use

masha68 [24]

There is no image of the table given.

Given:
approximate number = 75
exact number = 95

error = |approximate number - exact number| ÷ exact number
error = |(75-95)| / 95 = |20| / 95 = 0.21

percentage of error = 0.21 x 100% = 21%

8 0

3 years ago

Read 2 more answers

If a rate of speed r is constant, then distance, rate, and time are related by the direct variation equation d = rt, where d rep

wolverine [178]

D = rt
Distance will equal 30, the constant would be 30 and the time would be 1 hour
30= 30 1

7 0

4 years ago