Ask question

Ask question

All categories

3 years ago

10

For what value of y does 125=(1/25)^y-1

2 answers:

deff fn [24]3 years ago

6 0

Answer:

D. -1/2

Step-by-step explanation:

Alex777 [14]3 years ago

4 0

Answer:y=-1/2

Step-by-step explanation:

125=(1/25)^(y-1)

5^3=(5^(-2))^(y-1)

5^3=5^(-2(y-1))

The same base eliminate each other we then have

3=-2(y-1)

3=-2y+2

Collect like terms

2y=2-3

2y=-1

Divide both sides by 2

2y/2=-1/2

y=-1/2

You might be interested in

I need helppppppppppppp

ohaa [14]

Simplify

4ax+12-3ax=25+3a

ax+12=25+3a

ax-3a=25-12

a(x-3)=13

5 0

3 years ago

The degree of the polynomial below .

Stella [2.4K]

Answer:

C: 9

Step-by-step explanation:

The highest power in the polynomial is 9.

3 0

3 years ago

Note: Figure not drawn to scale

tamaranim1 [39]

Answer:

A) 49.5

Step-by-step explanation:

11*9=99

99/2= 49.5

6 0

3 years ago

Read 2 more answers

Work out (8x10^-3) x (2x10^-4)

love history [14]

Answer:

$1.6 \times 10^{-6}$

Step-by-step explanation:

$(8 \times 10^{-3}) \times (2 \times 10^{-4})$

$8 \times 2 \times 10^{-3} \times 10^{-4}$

$16 \times 10^{-3+(-4)}$

$16 \times 10^{-3-4}$

$16 \times 10^{-7}$

$1.6 \times 10^{-6}$

3 0

3 years ago

Read 2 more answers

Convert the ratio 3:2 to a percentage

Black_prince [1.1K]

Answer:

150%

Step-by-step explanation:

1. Divide 3/2

2. Multiply by 100

6 0

3 years ago

Read 2 more answers