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Airida [17]
2 years ago
15

Christa wrote 1 page in 2/3 hour. Which is Christa's writing rate per hour?

Mathematics
2 answers:
Anvisha [2.4K]2 years ago
6 0
In 1 hour christa writes 1 and 1/2 of a page
Fantom [35]2 years ago
3 0

Answer:

3/2 pages per hour

Step-by-step explanation:

1 : 2/3

= 3/2 : 1

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How many elements must a set have if the number of proper subsets of the set is one half
Svet_ta [14]
2^n - 1 = 1/2(2^n)
2^1 - 1 = 2^1/2
2 - 1 = 2/2
1 = 1

Theefore, the set must have one element
5 0
3 years ago
Frank needs a total of $360 to cover his expenses for the week. He earns $195 a week working at a restaurant and also walks dogs
poizon [28]

Answer:

11 dogs

Step-by-step explanation:

Step 1: Write out your equation

Let the number of dogs Frank walk be d

360 = 15d +195

Step 2: Solve the equation

360 - 195 = 15d

165 = 15d

\frac{165}{15} =\frac{15d}{15}

d = 11

Therefore Frank needs to walk a total of 11 dogs to cover his expanse

5 0
3 years ago
Point F is on the line CD. Find the measure of angle CFE
AlexFokin [52]

Answer:

∠ CFE and ∠ DFE are adjacent angles and are supplementary, sum to 180°

∠ CFE + 152° = 180° ( subtract 152° from both sides )

∠ CFE = 28°

Step-by-step explanation:

3 0
3 years ago
Factor completely:<br><br> –abc –5ac –4ab –20a
galben [10]

Answer:

-a(b+5)(c+4)

Step-by-step explanation:

-abc-5ac-4ab-20\\-a(bc+5c+4b+20)\\-a*c(b+5)+4(b+5)\\-a*(b+5)(c+4)

3 0
2 years ago
I need help with rational and irrational numbers here is the question.
4vir4ik [10]

Answer:

The correct answer choices are:

1) It is a real number

2) It is an irrational number

Step-by-step explanation:

So we have the number:

\sqrt2

First, let's define each of the terms:

Real numbers are all of the irrational and rational numbers. If a number is irrational or rational, then they are a real number. Any number that does not include the imaginary number i is real (you'll learn this eventually. It's actually really interesting!).

Irrational numbers are the numbers that do not terminate nor repeat. Examples include π or √3. Note that numbers like 1/3 which is .3333 is <em>not </em>irrational because they are repeating. π, on the other hand, does not repeat and never ends.

Rational numbers are the numbers that terminate or repeat. They also include the integers, whole numbers, and natural numbers.

So, the √2. First, it's real because it doesn't deal with imaginaries.

Next, use a calculator and calculate √2. We can see that it is about 1.41423562... This number does not repeat. And it does not terminate (end). In other words, √2 is a irrational numbers.

Since it is irrational, it cannot be rational. Since it's not rational, it cannot be an integer, whole number, or a natural number.

Therefore, the correct answer choices are:

1) It is a real number

2) It is an irrational number

3 0
3 years ago
Read 2 more answers
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