MATHEMATICS HIGH SCHOOL

Simplify. 5x^3/(7x^3+x^4)5/7+x; where x is not equal to 0, -7
5/7+x; where x is not equal to -7
5/7x; where x is not equal to 0
5/7

Answers

Answer 1
Answer: Hello,

(5 x^(3) )/(7 x^(3) + x^(4) ) = (5 x^(3) )/(x^(3)(7+x) )=\frac{5} {7+x}

Answer Almost A with parenthesis 

5/(7+x)

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What is the equation of a parabola with vertex (0,0) and focus (0,4)?Draw its graph on the grid

For the values a = 3.4 and b = 2.6, which are legs of a right triangle, find c, the hypotenuse, to the nearest tenth.A. 4.3

B. 2.4

C. 2.2

D. 4.8

Answers

The length of the hypotenuse is 4.3. This is calculated as the square root of 3.4 squared plus 2.6 squared.

Answer:

Using Pythagoras theorem.

In any right angle triangle:

\text{Hypotenuse side}^2 = \text{Sum of the square of side}

As per the statement:

For the values a = 3.4 and b = 2.6, which are legs of a right triangle.

We have to find c, the hypotenuse:

Apply the Pythagoras theorem, we have;

c^2 = a^2+b^2

Substitute the values we have;

c^2=3.4^2+2.6^2 = 11.56+6.76 = 18.32

then;

c=√(18.32) = 4.28018691

Therefore, the value of c, the hypotenuse, to the nearest tenth is, 4.3 units

What is the answer to
2x + 3y = 13
x = 2

Answers

\bf2x+3y=13

Plug in x = 2:

\bf2(2)+3y=13

Multiply:

\bf4+3y=13

Subtract 4 to both sides:

\bf3y=9

Divide 3 to both sides:

\bf~y=3

So our solution is \boxed{\bf(2,3)}
  2x + 3y = 13
2(2) + 3y = 13
    4 + 3y = 13
 - 4            - 4
          3y = 9
           3     3
           y = 3

What is 1.5 million written in standard form

Answers

1.5 million in standard form is 1,500,000 

The number of hours (H) that a candle will burn increases when the length of the candle (L) increases. Write the correct equation for this scenario, and solve for the number of hours when the length is 2.

Answers

H is directly proportional to l
H\alphaL
H=kL
when L=2, H=2k

2. What is the slope? Explain your answer.2 points
4
(2, 3)
2 +
4
-2.
2.
4 x
(2,-2)

Answers

Answer: Distance

5

Midpoint

(

2

,

0.5

)

Slope

−

I

n

f

∈

i

t

y

Tiger found no solution.

See steps

y intercept

I

n

f

∈

i

t

y

See steps

Midpoint= ((X1+X2)/2,(Y1+Y2)/2)

Find the x value of the midpoint

Xm=(X1+X2)/2

Xm=(2+2)/2=2

Find the Y value of the midpoint

Ym=(Y1+Y2)/2

Ym=(3+-2)/2=0.5

The midpoint is: (2,0.5)

Graphing the two points, midpoint and distance

P1 (2,3)

P2 (2,-2)

Midpoint (2,0.5)

The length of the black line is the distance between the points (5)

Step-by-step explanation:

The compound nickel (III) chloride dihydrate has ____ mole(s) of water for every ____ mole(s) of ionic compound.three, two

two, three

one, two

two, one

Answers

The compound nickel (III) chloride dihydrate has two moles of water for every one mole of ionic compound.
In each mole of ionic compound, there are two moles of water in this compound. 
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