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scoray [572]
4 years ago
15

Krista is saving for a new table it cost $70 including tax she has already save $35 how much more does she need to saveinto step

s equations form
Mathematics
1 answer:
nalin [4]4 years ago
8 0
35 dollars is how much krista would need to but the table
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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

             "ටᆼට"

8 0
4 years ago
Which graph shows a rate of change 1/2 between -4 and 0 the x-axis
densk [106]
Could we see the graphs please?
4 0
3 years ago
A triangle with vertices (−3, −3), (−6, 2), and (−1, 5) is what type of triangle? A) Equilateral B) Scalene C) Right D) Isoscele
aalyn [17]
<span>C) Right

https://www.desmos.com/calculator/vf2qksnpwe

</span>right triangle
<span>Proof: You can apply the Pythagorean theorem.</span>
3 0
4 years ago
Can someone pleaseeee hellpp??
monitta

Answer:

5.8

Step-by-step explanation:

To get the mean, add up all the numbers

9+4+8+3+5 = 29

Then divide by how many numbers there are (5)

29/5 =5.8

The mean is 5.8

4 0
4 years ago
The force F​ (in pounds) required to push a sofa across a floor varies directly as the weight w​ (in pounds) of the sofa.
djyliett [7]

Answer: F=0.41w


Step-by-step explanation:

1. You know that the force<em> F</em> varies directly as the weight <em>w</em> of the sofa. Then, you can write the following expression:

F=kw

Where <em>k </em>is the constant of proportionality.

2. You know that a person can push a 120​ pound sofa with a force of 50 pounds, then you can calcualte the constant of proportionality as following:

k=\frac{F}{w}=\frac{50lb}{120lb}=0.41

3. Then, the equation is:

F=0.41w

3 0
4 years ago
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