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2 years ago

H - c + what = h help help

Mathematics

2 answers:

Savatey [412]2 years ago

5 0

Answer:

Step-by-step explanation:

If you have H - C + ____ = H you would need something to cancel out C and I believe that would just be a positive C

Dominik [7]2 years ago

4 0

Answer:

h - c + c = h

Step-by-step explanation:

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Solve for x. Write both solutions, separated by a comma. 9x^2+ 3x – 2 = 0

kogti [31]

Answer:

x=1/3, x=-2/3

Step-by-step explanation:

9x^2 +6x -3x -2=0

6x and -3x add up to 3x. You need four terms to factor.

Then you factor=

3x(3x+2)-1(3x+2)=0

(3x-1)(3x+2)=0

Then you can make two equations

3x-1=0 and 3x+2=0 because to multiply to get 0, at least one will be 0.

3x-1=0

3x=1

x=1/3

3x+2=0

3x=-2

x=-2/3

So your answers are x=1/3, x=-2/3

hope this helps!

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3 years ago

Fill in the blank. A(n) _______ distribution has a "bell" shape. A(n) ▼ outlier polygon normal relative frequency distributio

EastWind [94]

Answer:

Normal Distribution

Step-by-step explanation: A normal distribution will generally have a bell shape. It is also called a bell curve, due to its bell shape.

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2 years ago

Identify the axis of symmetry and vertex of f(x) = –2x2 –2x–1.

Leya [2.2K]

Given the quadratic equation: f(x) = -2x^2 - 2x - 1, the axis of symmetry can be obtained by finding the line that divides the function into two congruent or identical halves. Thus, it should pass through the vertex and is equal to the x-coordinate of the vertex.

Note that a quadratic equation in standard form: y = ax^2 + bx + c, has the vertex located at (h,k) where, h = -b/2a and k is determined by evaluating y at h. In this case, a = -2, b = -2, thus, h = -0.5, k = 0.5. Thus, the vertex is located at (-0.5, 0.5) and the axis of symmetry is at x = -0.5.

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2 years ago

Read 2 more answers

Whoever answers this gets brainliest plsss help

Karolina [17]

hope it helped. I have solved in the same paper. plz don't mind.

7 0

3 years ago

Using this formula l=A 1/2 what is the length of one side of a square with an area of 1,936 square kilometers? (A is the area of

Vera_Pavlovna [14]

c.)44 kilometers

Answer:

Solution given:

let

length =L

and

Area =A

Now

we have

Area [A]=1936 square kilometers

now

As we know that

Area of square :length *length

A=l*l

A=l²

Substituting value of A

1936=l²

doing square root on both side

$\sqrt{1936}=\sqrt{l²}$

we get

l= $\sqrt{2*2*2*2*11*11}$

l=2*2*11

l=44 kilometers

the length of one side of a square is 44 kilometers.

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2 years ago