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densk [106]
3 years ago
14

What is the solution for

Mathematics
2 answers:
sveticcg [70]3 years ago
8 0

Answer:

The answer is letter B.

Naddik [55]3 years ago
7 0

Answer:

D.

Step-by-step explanation:

9 - 10x = 2x + 1 - 8x

9 - 10x = -6x + 1

9 = 4x + 1

8 = 4x

2 = x

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The net of a square pyramid is shown below:
xxMikexx [17]
The surface area is 24
3 0
3 years ago
The answer choices are 11 1 2.48 6
Fudgin [204]

Answer:

The ball reached its maximum height of (11\ yards) in (1\ second).

Step-by-step explanation:

This question is essentially asking one to find the vertex of the parabola formed by the given equation. One could plot the equation, but it would be far more efficient to complete the square. Completing the square of an equation is a process by which a person converts the equation of a parabola from standard form to vertex form.

The first step in completing the square is to group the quadratic and linear term:

h(t)=-5t^2 + 10t + 6\\\\h(t) = (-5t^2 + 10t) + 6

Now factor out the coefficient of the quadratic term:

h(t)=-5(t^2 -2t) + 6

After doing so, add a constant such that the terms inside the parenthesis form a perfect square, don't forget to balance the equation by adding the inverse of the added constant term:

h(t) = -5(t^2 -2t) + 6\\\\h(t) = -5(t^2 -2t + 1 -1 ) + 6

Now take the balancing term out of the parenthesis:

\\\\h(t)=-5(t^2 -2t + 1) + 6 + ((-1)(-5))

Simplify:

h(t) = -5(t^2 -2t + 1) + 6 + 5\\\\h(t) = -5(t-1)^2 + 11

The x-coordinate of the vertex of the parabola is equal to the additive inverse of the numerical part of the quadratic term. The y-coordinate of the vertex is the constant term outside of the parenthesis. Thus, the vertex of the parabola is:

(1, 11)

8 0
3 years ago
Solve the following inequality algebraically.<br> x + 2 &lt; 11
Pachacha [2.7K]

Answer:

x < 9

Step-by-step explanation:

Subtract 2 from both sides so you can isolate the variable on the left.

7 0
2 years ago
You are walking from home to a grocery store you stop for a rest after tofit miles the grocery store is actually 3/4 miles from
svp [43]

Answer:

no I don't know I am sorry for this question

8 0
3 years ago
What is 2x +3y+6x+9y
shusha [124]

Combine like terms to get 2x + 6x which is 8x and 3y + 9y which is 12y so the simplified answer is 8x + 12y

7 0
3 years ago
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