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4 years ago

-3/5+10.8 is: rational irrational

Mathematics

1 answer:

Anarel [89]4 years ago

3 0

Answer:

rational. the only irrational number that I am aware of is pi. -3/5 +10.8 = 10.1.

Step-by-step explanation:

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The ratio of blue cards to green cards is 2 to 5. There are 8 blue cards. Complete the diagram and explain how you can find the

kotegsom [21]

Answer:

$20\ green\ cards$

Step-by-step explanation:

Let

x------> the number of blue cards

y-----> the number of green cards

we know that

$\frac{x}{y}=\frac{2}{5}$

isolate the variable y

$y=\frac{5}{2}x$ -----> equation A

we have

$x=8\ blue\ cards$

substitute the value of x in the equation A to find the value of y

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4 years ago

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QveST [7]

Answer:

Step-by-step explanation:

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4 years ago

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78. Use properties of exponents to rewrite each expression as either an integer or as a quotient of integers p/q to show the exp

kolezko [41]

Answer:

4√2 × 4√8 = 64, an integer.

Step-by-step explanation:

a) 4√2 × 4√8

First let's remember that a square root can be rewritten as a 1/2 exponent,

Therefore the expression we have can be rewritten as

$4(2^{1/2} )4(8^{1/2})$

We are going to write all numbers in their prime factor expressions:

*Note: Remember that when we multiply two numbers with the same base but different exponents we sum up the exponents*

*Also, when we elevate one exponent to another exponent, we multiply the exponents*

$4(2^{1/2} )4(8^{1/2})\\=2^2 (2^{1/2})2^2 (2^{3})^{1/2} \\ =2^2 (2^{1/2})2^2 (2^{3/2})\\=2^22^2(2^{1/2}2^{3/2})\\=16(2^{4/2})\\=16(2^2)\\=16(4)\\=64$

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3 years ago

Help!!!!!!!!!!!!!!!!!!!!!!!!!!!! asap!!!!!!!!!!! 50 pts and brainliest!

Stels [109]

Answer:

-5/4

Step-by-step explanation:

Pick two points on the line

(-4,0) and (0,-5)

We can use the slope formula

m = (y2-y1)/(x2-x1)

= ( -5 -0)/(0 - -4)

= (-5-0)/(0+4)

= -5/4

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3 years ago

The weight of an object on a particular scale is 145.2 lbs. The measured weight may vary from the actual weight by at most 0.3 l

saveliy_v [14]

For the answer to the question, what is the range of actual weights of the object if the weight of an object on a particular scale is 145.2 lbs. The measured weight may vary from the actual weight by at most 0.3 lbs.?
The answer to your question is 144.9 to 145.5
I hope my answer helped you.

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3 years ago

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