3 years ago

A percent decrease can never be more than 50 percent.is this:truefalse

Mathematics

1 answer:

Bingel [31]3 years ago

7 0

This is false- a percent decrease can be more than 50%

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(d) Jim walks three miles in 45 minutes. How long does it take for him to walk 5 miles?

kramer

Answer:

5 miles = 75 minutes

Step-by-step explanation:

3 miles = 45 minutes

<u>Solution:</u>

3 miles = 45 minutes
=> 1 mile = 45/3 minutes
=> 5 miles = 45/3 x 5
=> 5 miles = 15 x 5
=> 5 miles = 75 minutes

Hence, it takes 75 minutes for Jim to walk 5 miles.

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2 years ago

Can you plz help on this

svp [43]

No sorry i can’t do that

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an experiment consists of flipping a fair coin 4 times. What is the probability of obtaining at least one head?

Dvinal [7]

$\mathbb P(X\ge1)=1-\mathbb P(X=0)$

The probability of getting 0 heads in 4 tosses (or equivalently, 4 tails) is $\dfrac1{2^4}=\dfrac1{16}$ .

So the desired probability is

$1-\dfrac1{16}=\dfrac{15}{16}$

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3 years ago

X increased by 6 algebraic expression

ddd [48]

Step-by-step explanation:

x increased by 6 is :

= x+6

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3 years ago

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What is the solution to (4x – 23) 2 – 3 = 2?

deff fn [24]

Step-by-step explanation:

(4x-23)2-3=2

(4x-23)(-1)=2

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3 years ago