X/6 = 4 , r/7 = -1 , -x/11 = 10 , x/4 = 5/6 i totally forgot how to do these problems, it'd be lovely if someone could me out : )

1. x = 24  

2. r = -7  

3. x = - 110

4. x = 10/3

Step-by-step explanation:

1. x/6 = 4 => x = 6 · 4 = 24

2. r/7 = -1 => r = -1 · 7 = -7

3. -x/11 = 10 => -x = 11 · 10 = 110 => -x = 110  / ·(-1)

Now we will multiply the both sides with (-1) and get

x = -110

4.  x/4 = 5/6     It's the same as proportion    x : 4 = 5 : 6

Now we will multiply external and internal members and get

6 x = 4 · 5 => 6 x = 20 => x = 20/6

Now we reduce the numerator and the fractional denominator with the number two and get

x = 10/3

God with you!!!

answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.

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step-by-step explanation: