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Reil [10]
3 years ago
12

What is the value of arcsin ( √2)/2?

Mathematics
2 answers:
MArishka [77]3 years ago
8 0

Answer:

undefined. ............

mr Goodwill [35]3 years ago
3 0

Answer: 45 degrees

Step-by-step explanation: convert from radians to degrees using the ratio 180/ pi

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What is the value of (2x^2-5x+4)if x =7
Troyanec [42]
<span>We have to use PEMDAS for this expression.

Parentheses
Exponents
Multiplication
Division
Addition
Subtraction

</span>(2x^2 - 5x + 4)                    Original Mathematical Expression

[2(7)^2 - 5(7) + 4]                 Plugging the value of x, 7 into expression.

There are parentheses, so that means we have to work in them.

There are exponents, so we have to do those first.

[2(49) - 5(7) +4]                    Exponents.

There is multiplication, that we can do, so we do that left to right.

[98 - 35 + 4]                         Multiplication.

There is no division.

There is addition and subtraction, so we do those left to right.

[63 + 4]                                Subtraction.

67                                        Addition.

Final Answer: 67

6 0
3 years ago
Read 2 more answers
there are 32 ears of corn for 15 people. How many ears of corn can each person eat? Will there be any leftover ears of corn?
Kryger [21]

Each person can eat 2 ears of corn because 32/15=2.13333333. So there will be 2 ears of corn left over!!

3 0
3 years ago
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Write an equation for the orbit of Saturn in the form x^2/a^2 + y^2/b^2 = 1
frozen [14]

Answer:

  x²/2166784 +y²/2159989 = 1

Step-by-step explanation:

The relationship between the semi-axes and the eccentricity of an ellipse is ...

  e = √(1 -b²/a²)

In order to write the desired equation we need to find 'b' from 'e' and 'a'.

__

<h3>semi-minor axis</h3>

Squaring the equation for eccentricity gives ...

  e² = 1 -b²/a²

Solving for b², we have ...

  b²/a² = 1 -e²

  b² = a²(1 -e²)

<h3>ellipse equation</h3>

Using the given values, we find ...

  b² = 1472²(1 -0.056²) = 2166784(0.996864) ≈ 2159989

The desired equation is ...

  x²/2166784 +y²/2159989 = 1

7 0
2 years ago
Rosena bought an 8 pack of donuts. The donuts cost $28.00 all together. What is the unit rate for the donuts in dollars?
san4es73 [151]

Answer:

$3.50

Step-by-step explanation:

I hope this helps!

3 0
2 years ago
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A toddler crawled 2 yards, stopped, then continued to crawl 8 more feet. How many feet did he travel in total?
Vlad1618 [11]
He crawled a total of, "8 feet". 
5 0
3 years ago
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