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Dmitry_Shevchenko [17]
3 years ago
12

Kimberly wants to complete at least 2/3 of her algebra problems by 8 pm. If she has x algebra problems to complete, which inequa

lity can Kimberly use to determine y, the number of algebra problems she wants to complete by 8 pm.
A. y ≥ x - 2/3
B. y < x + 2/3
C. y < 2/3x
D. y ≥ 2/3x
Mathematics
1 answer:
ohaa [14]3 years ago
5 0
I would have to choose b or a
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When is it most handy to use a table to display information? When might you use a graph instead?
Sunny_sXe [5.5K]

Answer:

<u>Use a </u><u>table</u>

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  • Precise values are required.
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  • Both summary and detail values are included.

<u>Use a graph</u>

  • The message is contained in the shape of the values (e.g. patterns, trends, exceptions).
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Source

<em>In the comments</em>

<em>Hope </em><em>this</em><em> </em><em>helps!</em>

3 0
3 years ago
H(x)=-x^2+6x. So what is the value of h(2)
crimeas [40]

✩ Answer:

 ✧・゚: *✧・゚:*✧・゚: *✧・゚:*✧・゚: *✧・゚:*

  \bold{Hello!}\\\bold{Your~answer~is~below!}

✩ Step-by-step explanation:

 ✧・゚: *✧・゚:*✧・゚: *✧・゚:*✧・゚: *✧・゚:*

✺ Quadratic polynomials can be factored using the transformation ax^2+bx+c=a(x-x_{1})(x-x_{2} ), where x_{1} and x_{2} are the solutions of the quadratic equation ax^2+bx+c=0:

  • -x^2+6x=0

✺ All equations of the form ax^2+bx+c=0 can be solved using the quadratic formula:

  • -b=\frac{+}\\\sqrt{b^2-4ac}\\~~~~~~~~~~~~~2a

✺ The quadratic formula gives two solutions, one when ± is addition and one when it is subtraction:

  • x=\frac{\sqrt{-6\frac{+}\\\sqrt{6^2}}}{2(-1)}

✺ Take the square root of 6^2:

  • x=\frac{\sqrt{-6\frac{+}\\{6}}}{2(-1)}

✺ Multiply 2 times -1:

  • x=\frac{\sqrt{-6\frac{+}\\{6}}}{-2}

✺ Now solve the equation x=\frac{\sqrt{-6\frac{+}\\{6}}}{-2} when ± is plus. Add -6 to 6:

  • x=\frac{0}{-2}

✺ Divide 0 by -2:

  • x=0

       -OR-

✺ Now solve the equation x=\frac{\sqrt{-6\frac{+}\\{6}}}{-2} when ± is minus. Subtract 6 from -6:

  • x=\frac{-12}{-2}

✺ Divide -12 by -2:

  • x=6

✺  Optional : Factor the original expression using ax^2+bx+c=a(x-x_{1})(x-x_{2} ). Substitute 0 for x_{1} and 6 for x_{2}:

  • -x^2+6x=-x(x-6)

✩ Answer:

✺ <u>Factored Form</u>: x(x-6)

✺ <u>Exact Form</u>: x=6

✺ <u>Graph Point Form</u>: x=(6,0)

Hope~this~helps~and,\\Best~of~luck!\\\\~~~~~-TotallyNotTrillex

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8 0
3 years ago
Help pleaseeeeeeeeeeeeeeeeeeee
Jlenok [28]

Answer:

3.55 x t = 28.40 or 28.40/t = 3.55

Step-by-step explanation:

8 0
3 years ago
Please do number 23.
liraira [26]

Answer:

  165

Step-by-step explanation:

Let o and b represent the numbers of orchestra and balcony tickets bought, respectively.

  o + b ≥ 250 . . . . at least 250 tickets will be bought

  o = b - 80 . . . . .  there will be 80 fewer orchestra than balcony bought

Substituting for o, we have ...

  (b -80) +b ≥ 250

  2b ≥ 330 . . . . . . . add 80

  b ≥ 165 . . . . . . . . .divide by 2

The least number of balcony tickets the club could buy is 165.

5 0
3 years ago
A kitchen floor has an area of 48 square feet.One tile covers 0.75 square goot.How many tiles would be needed to cover the entir
pshichka [43]
@Texaschic101 you are correct .75 x 64 will indeed equal 48 sq feet. so your answer will be 64 tiles. hope this was of help!
4 0
3 years ago
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