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3 years ago

5

There are 2 brown marbles, 3 black marbles, and 4 gold marbles in a bag. What is the probability of drawing 2 brown marbles if t

he first is replaced after it is drawn?

1 answer:

prohojiy [21]3 years ago

5 0

Answer:

.049 (2sf)

Step-by-step explanation:

$\frac{2}{9} \times \frac{2}{9} = 0.4938$

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F(x)=5^x if F(-2) what does this equal

KengaRu [80]

Answer:

$\frac{1}{25}$

Step-by-step explanation:

Using the rule of exponents

$a^{-m}$ = $\frac{1}{a^{m} }$ , hence

f(- 2) = $5^{-2}$ = $\frac{1}{5^{2} }$ = $\frac{1}{25}$

3 0

2 years ago

Large Reusable bottles cost four dollars more than small ones eat large bottles cost $24 less than small ones how much does one

madam [21]

Answer:

$20

Step-by-step explanation:

The large ones cost $4 more so what you would do is to subtract that $4 from the $24.

24-4=20

7 0

2 years ago

Please help!!!!!!!!!!!!!!!!!!!!!!!

egoroff_w [7]

Answer:

about -0.09

Step-by-step explanation:

Plug in -0.09 in a calculator into the inverse tan function to get about -0.09 or what is said to be -0.089 radians or -5.14 degrees

Hope i helped, vote me brainly :)

3 0

3 years ago

You rent an apartment that costs $1800 per month during the first year, but the rent

RUDIKE [14]

Answer:

2710 is the answer

Step-by-step explanation:

1800+130(7)

5 0

2 years ago

100 points + brainiest

Scrat [10]

Answer:

35 grams of 11.43% solution

Step-by-step explanation:

The end solution has same volume as initial volumes of mixture.

10 + 25 = 35 g

The concentration of solution is calculated as below

10*0.15 + 25*0.1 = 4 g
4 / 35*100% = 11.43% (rounded)

6 0

2 years ago