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Gnoma [55]
3 years ago
5

What is −14 − (+6) =

Mathematics
1 answer:
zepelin [54]3 years ago
3 0

Answer:

-20

Step-by-step explanation:

it basically -14-6

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Perform the following operations and write the answers and in radical form
Scorpion4ik [409]

The given expression is

8^{1/2} +16^{1/4}-12^{1/2}+81^{1/4}

We can write 8 as cube of 2, 16 ad fourth power of 2, 12 as square of 2 times 3 and 81 as fourth power of 3, that is

(2^3)^{1/2} +(2^4)^{1/2} - (2^2 *3)^{1/2} + (3^4)^{1/2}

In case of two powers, we have to multiply them.

=2^{3/2} + 2^{4/2} -2^{4/2} * 3^{1/2} + 3^{4/2}

Simplifying the exponent, will give

=2*2^{1/2} +4 -4*3^{1/2} +9

Combining like terms,

=13+2*2^{1/2} -4*3^{1/2}

7 0
3 years ago
Read 2 more answers
Marsha wants to determine the vertex of the quadratic function f(x) = x2 – x 2. What is the function’s vertex? (one-half, seven-
nydimaria [60]

Vertex of the quadratic equation is the highest or the lowest point of the quadratic equation.

<h3>Given-</h3>

The given equation in the question is,

f(x) = x^2 - x +2

<h3>Vertex of the quadratic equation</h3>

Vertex of the quadratic equation is the highest or the lowest point of the quadratic equation.

To find the vertex of the equation we need to compare the given equation with the following equation.

f(x)=a(x-h)^2+k

Here h and k are the vertex of the equation.

The given equation is,

f(x) = x^2 - x +2

Rewrite the equation,

f(x) = x^2 - x +(\dfrac{1}2)^2} +2-(\dfrac{1}2)^2}

f(x) = x^2 - x +\dfrac{1}{4} +2-\dfrac{1}4}

f(x) =(x-\dfrac{1}{2} )(x-\dfrac{1}{2} )+2-\dfrac{1}{4}

f(x) =(x-\dfrac{1}{2} )^2+\dfrac{7}{4}

Thus the vertex of the quadratic equation is 1/2 and 7/4.

Learn more about the vertex of the quadratic equation here;

brainly.com/question/6356924

3 0
3 years ago
During the summer, Cecile read twice as many books as Kami. Laura read three times as
Eva8 [605]

Answer:

The equation

c x 2 > k

l x 3 ?> c > k

g = 30 = c + l + k

this equation is the same as...

Cecile read twice as many books as Kami.

Laura read 3 times as many books as Kami, but possibly less than Cecile.

Gigi read 30 books. 30 books is the same as all 3 girls combined.

To find out how many books each girl read, you need to find 3 unequal numbers that add up to 30. These numbers are substituted, only because they can be anything at all, and I want to prevent confusions.

hope this helps!

6 0
2 years ago
9/47
faltersainse [42]

Which is the number of boys and girls? Are boys 9 and girls 47?

5 0
3 years ago
Which of the following graphs represents a proportional relationship?
Lina20 [59]
The graph of a proportional relationship is a straightline that passes through the origin (0,0).

The only graph with that feature is the option c., so that is the answer.

The other graphs ar linear relationships because the are straighlines that to not pass through the origin.

Answer: the option c.
8 0
3 years ago
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