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Daniel [21]
3 years ago
12

When a math problem say twice as the amount what operation is that

Mathematics
1 answer:
Usimov [2.4K]3 years ago
3 0

Answer:

multiplacation

Step-by-step explanation:

it means times 2

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Find the x-intercepts of the parabola with vertex (1, -9) and y intercept at (0, -6).
weqwewe [10]
  • Vertex Form: y = a(x - h)^2 + k, with (h,k) as the vertex.

So firstly, plug the vertex into the vertex form: y=a(x-1)^2-9

Next, we first need to solve for a. Plug (0,-6) into the equation to solve for a as such:

-6=a(0-1)^2-9\\-6=a(-1)^2-9\\-6=a-9\\3=a

<u>Now we know that our equation is y = 3(x - 1)^2 - 9.</u>

Now to solve for the zeros (x-intercepts). Set y to 0 and add 9 to both sides of the equation: 9=3(x-1)^2

Next, divide both sides by 3: 3=(x-1)^2

Next, square root both sides: \pm\sqrt{3}=x-1

Next, add 1 to both sides: 1\pm\sqrt{3}=x\\2.73,-0.73=x

<u>Your x-intercepts are (-0.73,0) and (2.73,0), or B.</u>

6 0
3 years ago
What is 9% converted to a fraction
Genrish500 [490]

Answer:

9/100

Step-by-step explanation: whatever percentage over 100 is the fraction of a percentage

7 0
3 years ago
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I need help on this!!!
MrRa [10]

Step-by-step explanation:

3 tickets = $16.50

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8 0
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(Full question above)
Bezzdna [24]

The volume of the solid is 540 mm

Step-by-step explanation:

The volume a rectangular prism is calculated as the product of its length, width and height.

Mathematically, V=l*w*h where l is length of the prism, w is width and h is the height

Given that the dimensions of the rectangular prism as;

Length=15 mm

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Height = 6 mm

V=15*6*6= <u>540 mm </u>

<h2>If this is the best answer please mark brainilest. Have a great day, hope this helps!  </h2>

8 0
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Is this right? plz help me
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Answer:

no its the 3rd one

Step-by-step explanation:

thank me later

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