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3 years ago

What is 4\5 times 60

Mathematics

2 answers:

Alja [10]3 years ago

8 0

Divide 4/5 = 20
multiply 20 x 60 = 1200

ArbitrLikvidat [17]3 years ago

3 0

We meet again
so first divide 60 by 5
this gives 12
then multiply 12 by 4
giving a final answer of 48

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What is three and 2 fourths and minus two and three fourths

netineya [11]

Answer:

The answer is 0.75

Hope this helps!

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1 year ago

Decide whether x=2 is a solution of x square+4x-12=0

hjlf

Answer:Yes, it is

Step-by-step explanation:

2^2+4(2)-12=0

4+8-12=0

12-12=0

0=0

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3 years ago

Ariana's grandfather made a scaled down model of a knitting needle to be placed inside a dollhouse. Arianna measured the model b

Andrew [12]

Answer:

10.5

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3 years ago

Read 2 more answers

A regular tube of toothpaste costs $2.50 for 3.2 ounces. A travel size tube costs $1.00 for 1.2 ounces. Compare the prices and w

Len [333]

Answer:

The travel size costs 6 % as much as the regular size. Thus the regular size would be more economical and thus a better buy

Step-by-step explanation:

step 1

<em>Find out the unit rate of a regular tube of toothpaste</em>

we know that

To find out the unit rate, divide the total cost by the total weight

$\frac{2.50}{3.2}=\$0.78\ per\ ounce$

step 2

<em>Find out the unit rate of a travel size tube of toothpaste</em>

we know that

To find out the unit rate, divide the total cost by the total weight

$\frac{1.00}{1.2}=\$0.83\ per\ ounce$

step 3

Find out the percent of increase

we have that

The unit rate $\$0.83\ per\ ounce$ represent the 100%

so by proportion

Find out what percentage represent the difference ($0.83-$0.78=$0.05 per ounce)

$\frac{0.83}{100\%}=\frac{0.05}{x}\\\\x=100(0.05)/0.83\\\\x=6\%$

therefore

The travel size costs 6 % as much as the regular size. Thus the regular size would be more economical and thus a better buy

6 0

3 years ago

Use the definition of continuity and the properties of limits to show that the function

Zepler [3.9K]

Answer:

Applied the definition and the limit.

They had the same result, so the function is continuous.

Step-by-step explanation:

At function f(x) is continuous at x = a if:

$\lim_{x \to a} f(x) = f(a)$

In this question:

$f(x) = x^{2} + 5(x-2)^{7}$

At x = 3.

$\lim_{x \to 3} x^{2} + 5(x-2)^{7} = 3^{2} + 5(3-2)^{7} = 14$

$f(3) = 3^{2} + 5(3-2)^{7} = 14$

Since $\lim_{x \to 3} f(x) = f(3)$ , f(x) is continuous at x = 3.

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3 years ago