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4 years ago

Please help! 7.5 in = ________ cm

Mathematics

2 answers:

Naya [18.7K]4 years ago

3 0

The answer is 18 cm because 2.4 cm is in 1 inch. you must multiply 7.5 by 2.4 and get 18

Pie4 years ago

3 0

1in = 2.54cm

multiply 7.5in by 2.54

7.5in × 2.54cm = 19.05cm

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Tim simplified the difference 1/2p-(1/4p-4) as 3/4p-4. Did he find the correct difference? Explain.

Doss [256]

Answer:

TIM'S ANSWER IS WRONG.

The correct simplification is $=\frac{p}{4}+4$ .

Step-by-step explanation:

Given the difference expression

$\frac{1}{2}p-\left(\frac{1}{4}p-4\right)$

Tim's answer : $\frac{3}{4}p-4$

TIM'S ANSWER IS WRONG.

Let us correctly simplify the difference expression

$=\frac{1}{2}p-\left(\frac{1}{4}p-4\right)$

$=\frac{p}{2}-\left(\frac{p}{4}-4\right)$

$=\frac{p}{2}-\frac{p}{4}+4$

Combine Like Terms:

$=(\frac{p}{2}-\frac{p}{4})+(4)$

$=\frac{p}{4}+4$ ∵ $\frac{p}{2}-\frac{p}{4}=\frac{p}{4}$

Hence, the correct simplification is $=\frac{p}{4}+4$ .

Keywords: operation, difference

Learn more operations from brainly.com/question/768264

#learnwithBrainly

4 0

3 years ago

Will give bianleast 10 ponits

Mrac [35]

Answer:

x + 8 + 12 + 11 = 43

Step-by-step explanation:

The perimeter is the length of the 4 sections of fencing.

If x represents the fourth section and the perimeter is 43, then

x + 8 + 12 + 11 = 43, that is

x + 31 = 43 ( subtract 31 from both sides )

x = 12

The length of the fourth section is 12 ft

3 0

4 years ago

Read 2 more answers

Donald bought a box of golf balls for $9.17. There were 18 golf balls in the box. About how much did each golf ball cost? Rename

Ivenika [448]

Answer:

Each golf ball costs about $0.51

1. Divide $9.17 by 18

The answer you will get is 0.509

2. Round 0.509

The answer you will get is 0.51

So therefor, the answer to this question how much did each golf ball cost is $0.51 per golf ball.

8 0

3 years ago

The sum of two integers is 60 and their difference is 8 find the integers

slega [8]

Answer:

Step-by-step explanation:

x+y = 60

x-y = 8

------------

2x = 68

x = 34

y = 60-x = 26

4 0

3 years ago

By rewriting the formula for the Multiplication Rule, you can write a formula for finding conditional probabilities. The condit

ss7ja [257]

Answer:

89.01% probability that a flight arrives on time given that it departed on time.

Step-by-step explanation:

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Departing on time

Event B: Arriving on time.

The probability that a flight departs and arrives on time is 0.81.

This means that $P(A \cap B) = 0.81$

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This means that $P(A) = 0.91$

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$P(B|A) = \frac{0.81}{0.91} = 0.8901$

89.01% probability that a flight arrives on time given that it departed on time.

5 0

3 years ago