3 years ago

Suppose that an experiment is repeated four times. A certain event has probability 1/10 in a single repetition of the

Mathematics

1 answer:

frez [133]3 years ago

5 0

Answer:

2/5

Step-by-step explanation:

1/10 times 4

4/10 equals to 2/5

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The battery on McKenzies old computer can last 4(1/5) hours. She bought a new computer that has a battery that can last 40% long

Solnce55 [7]

Answer:

$5\frac{22}{25}\ hours$

Step-by-step explanation:

we know that

$4\frac{1}{5}\ hours=\frac{4*5+1}{5}=\frac{21}{5}\ hours$

$100\%+40\%=140\%=\frac{140}{100}$

Let

x ------> new battery life

The equation that represent this situation is

$x=\frac{140}{100} (\frac{21}{5})=\frac{2,940}{500}\ hours$

convert to mixed number

$\frac{2,940}{500}=\frac{2,500}{500}+\frac{440}{500}=5\frac{22}{25}\ hours$

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3 years ago

Which expression is equivalent to 5x-30

creativ13 [48]

Factor out the 5. 5(x - 6)

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4 years ago

Another name for reciprocal is multiplicative inverse. What are some words in every day lauguage that are similar to reciprocal

Novosadov [1.4K]

Opposite or flipped

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4 years ago

13=x-7 what is the value of x?

NNADVOKAT [17]

Answer:

13=x-7

13+7=x

20=x

so,x=20

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3 years ago

Can anyone help me please? i have 14 more minutes to finish this can anyone help?

valentinak56 [21]

Answer:

Step-by-step explanation:

A is 3-2 which is 1, not 5.

C is 3(2), which is 6, not 5.

D is 6, which is not 5.

-hope it helps

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3 years ago

Read 2 more answers