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3 years ago

Solve for p: p + 2x = 4

Mathematics

2 answers:

lyudmila [28]3 years ago

7 0

Answer:

p=4-2x

Step-by-step explanation:

skad [1K]3 years ago

7 0

Answer:

p = 4 − 2 x

Step-by-step explanation:

Subtract 2 x from both sides of the equation.

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Simplify ((1/x)-(1/y))/((1/x)+(1/y))

In-s [12.5K]

Simplify ((1/x)-(1/y))/((1/x)+(1/y))

y-x
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y+x

7 0

3 years ago

the circumference of a circular painting is 40.82 ft. what is the radius of the painting? use 3.14 do not round

diamong [38]

Your answer would be about 20.41

7 0

4 years ago

If you flip a fair coin 7 times, what is the probability that you will get exactly 4 tails?

andre [41]

Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: $\frac{35}{128}$

Step-by-step explanation:

We need to find the probability that you will get exactly 4 tails, if you flip a fair coin 7 times.

This is the combination question.

The total combinations will be: 2^7=128

Now, finding number of ways we can get exactly 4 tiles:

We will use the formula:

$^nC_k=\frac{n!}{k!(n-k)!}$

in our given question, n= 7, k= 4

Putting values:

$^nC_k=\frac{n!}{k!(n-k)!}\\^7C_4=\frac{7!}{4!*3!}\\ ^7C_4=\frac{7*6*5*4!}{4!*3!}\\ ^7C_4=\frac{7*6*5}{6}\\ ^7C_4=35$

So, Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: $\frac{35}{128}$

Keywords: Probability

Learn more about Probability at:

#learnwithBrainly

7 0

3 years ago

You are given that 4a-2b = 10 (a) Write down the value of 2a - b

Simora [160]

Answer:

2a - b = 5

Step-by-step explanation:

4a - 2b = 10

take out the highest common factor of the left side

2(2a - b) = 10

divide both sides by two

2a - b = 10/2

2a - b = 5

6 0

3 years ago

a store marks up the wholesale price of a skateboard by 112%. The retail price is $35. What is the wholesale price of the skateb

koban [17]

Answer is $31.25
Step by step
We know mark up is 112%
We know sell price (retail) after markup
We are looking for wholesale (original price)
So 112% of x = $35
1.12x = $35
Divide both sides by 1.12 to isolate x
X= 31.25

3 0

2 years ago