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butalik [34]
3 years ago
13

Which property of real numbers is demonstrated by the equation 12+0=12 ?

Mathematics
1 answer:
cupoosta [38]3 years ago
3 0

Answer:

Identity Property

Step-by-step explanation:

Identity Property-zero added to any number is the number itself

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The answer is 28 tenths.

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Fraction to 2/3 write beach
grigory [225]

Less than: 3/8, 1/2

The same: 8/12

Greater than: 4/5, 6/6, 9/10

(I think this is what the question was? you typed it in a very jumbled fashion)

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3 years ago
A chef plans to mix 100% vinegar with Italian dressing. The Italian dressing contains 12%
Hitman42 [59]

Answer:

Amount of  vinegar. 100% : 20 milliliters

Amount of  Italian dressing: 140 milliliters

Step-by-step explanation:

Let's call A the amount of  vinegar. 100%

Let's call B the amount of  Italian dressing . 12% vinegar

The resulting mixture should have 23%  vinegar, and 160 milliliters.

Then we know that the total amount of mixture will be:

A + B = 160

Then the total amount of pure antifreeze in the mixture will be:

A + 0.12B = 0.23 * 160

A + 0.12B = 36.8

Then we have two equations and two unknowns so we solve the system of equations. Multiply the first equation by -1 and add it to the second equation:

-A -B = -160

-A -B = -160

               +

A + 0.12B = 36.8

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

-0.88B = -123.2

B = \frac{-123.2}{-0.88}

B = 140\ milliliters

We substitute the value of B into one of the two equations and solve for A.

A + 140 = 160

A = 20\ milliliters

7 0
3 years ago
Simplify -√2-4√4-3√2
forsale [732]

Answer:

Step-by-step explanation:

-4√2-8

5 0
3 years ago
Read 2 more answers
Find the length of ST
Andru [333]

Answer:

ST = 12

Step-by-step explanation:

By AA Similarity, triangles ASR and EST are similar.

The ratio of the lengths of the sides of triangle ASR to those of EST is 6/8 or 3/4.

\dfrac{SR}{ST} = \dfrac{3}{4}

Also,

SR + ST = 21

By a rule of proportions, you get

\dfrac{SR + ST}{ST} = \dfrac{3 + 4}{4}

\dfrac{21}{ST} = \dfrac{7}{4}

7ST = 4 \times 21

7ST = 84

ST = 12

3 0
3 years ago
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