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Zolol [24]
3 years ago
13

Can you please help. Also remember to explain.

Mathematics
2 answers:
charle [14.2K]3 years ago
7 0

Answer:

I do not agree with Talia.

Step-by-step explanation:

This is because they did not simplify the expression correctly. When simplifying this expression you would use the Order of Operations.

3+5(2+4)

=3+5(6)

=3+30

=33

GarryVolchara [31]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

The answer using distributive property is the same as using original way to caculate it.

3+5(2+4) = 3+5(6) =3+20 =33

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Write the equation of the parabola that has its x-intercepts at (1+<img src="https://tex.z-dn.net/?f=%5Csqrt%7B5%7D" id="TexForm
VladimirAG [237]

Answer:

y=2x^2-4x-8

Step-by-step explanation:

<u>Factored form of a parabola</u>

y=a(x-p)(x-q)

where:

  • p and q are the x-intercepts.
  • a is some constant.

Given x-intercepts:

  • (1+√5, 0)
  • (1-√5, 0)

Therefore:

\implies y=a(x-(1+\sqrt{5}))(x-(1-\sqrt{5}))

\implies y=a(x-1-\sqrt{5})(x-1+\sqrt{5})

To find a, substitute the given point (4, 8) into the equation and solve for a:

\implies a(4-1-\sqrt{5})(4-1+\sqrt{5})=8

\implies a(3-\sqrt{5})(3+\sqrt{5})=8

\implies4a=8

\implies a=2

Therefore, the equation of the parabola in factored form is:

\implies y=2(x-1-\sqrt{5})(x-1+\sqrt{5})

Expand so that the equation is in standard form:

\implies y=2(x^2-x+\sqrt{5}x-x+1-\sqrt{5}-\sqrt{5}x+\sqrt{5}-5)

\implies y=2(x^2-x-x+\sqrt{5}x-\sqrt{5}x+\sqrt{5}-\sqrt{5}+1-5)

\implies y=2(x^2-2x-4)

\implies y=2x^2-4x-8

6 0
1 year ago
Item 14
dsp73

Answer:

13/21

Step-by-step explanation:

5 0
2 years ago
A recent television commercial asked viewers, "Do you have over $10,000 in credit card debt?"
zhenek [66]

Based on the information provided, the amount of money associated with the credit card debt is inferred to be $10,000.

<h3>What is a debt?</h3>

A debt is a term that refers to an obligatory payment commitment that relates two entities that can be:

  • Person - group
  • Person - company
  • Person - State
  • Group - company
  • Group - State
  • Company - State

Based on the foregoing, it can be inferred that the term debt refers to the payment obligation of $10,000 that a person may have in order to use their credit card.

Learn more about debt in: brainly.com/question/1293792

6 0
2 years ago
PLEASE HELP ME I REALLY NEED THIS ASAP!!!!
GREYUIT [131]

C. 30°,60°,90° due to the fact that it's a right triangle

5 0
3 years ago
Read 2 more answers
Someone please help me
Troyanec [42]
Pythagorean theorem is a^{2} + b^{2} = c^{2}
and using that sin is opposite/hypotenuse, you can find the third side of the triangle.
11^{2}+(adjacent)^{2} = 61^{2} \\ 121+ (adjacent)^{2} = 3721 \\ (adjacent)^{2}=3600 \\ adjacent = 60
now you know adjacent is 60, so cos=60/61
4 0
3 years ago
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