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s344n2d4d5 [400]
3 years ago
7

Select the quadratic that has the roots x=8 and x=-5

Mathematics
2 answers:
mart [117]3 years ago
8 0
The quadratic that has the roots x=8 and x=-5 is 
x^2-3x-40

Hope this helps you! (:
-Hamilton1757
tangare [24]3 years ago
5 0

Answer:

this is correct beacuse

Step-by-step explanation:

x^2-3x-40

x^2-8x-5x-40

x(x-8)-5(x-8)

(x-8)(x-5)

the roots are

x=8 x=5

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iren [92.7K]

Answer:

A:7.031

Step-by-step explanation:

both 7, but 7.031  has 031.  7.03  only has .03.

4 0
3 years ago
How do i Evaluate this expression?​
timofeeve [1]

\text{Hey there!}

\bf{9.83+8.2(7.01)}

\text{You could solved this equation by doing PEMDAS}

\text{PEMDAS simply means}\downarrow

\text{Parentheses }

\text{Exponents}

\text{Multiplication}

\text{Division}

\text{Addition}

\text{Subtraction}

\text{In your equation you have \bf{MULTIPLICATION \& ADDITION}}

\text{Now,  that we have every information we need.. lets solve the problem}

\text{We have to do \underline{MULITPLICATION} first then \underline{ADDITION} last}

\text{9.83 + 8.2(7.01)}

\text{8.2(7.01)=57.482}

\text{9.83 + 57.482 = 67.312}

\boxed{\boxed{\text{Thus your answer is most likely: \bf{67.312}}}}\checkmark

\text{Good luck on your assignment and enjoy your day!}

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3 0
3 years ago
Can anyone teach plsssss........................ Given that PR= 17cm and SR= 6cm.Find the length, in cm of TS. ​
Lemur [1.5K]

Answer:

9cm

Step-by-step explanation:

  1. Since PQST is a rectangle, ∠QST=∠QSR=∠90º. So triangle QSR is a right triangle.
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  3. Now we know that QS=PT=8.
  4. By the Pythagorean Theorem and that PR=17 and PT=8, we can say a^2+8^2=17^2. So, a^2+64=289. And a^2=225 and a=15.
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8 0
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500

Step-by-step explanation:

8 0
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Subtract these polynomials.
Artist 52 [7]

Answer:

The correct answer is D. 3x² - x + 3

Step-by-step explanation:

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= 4x² - x² - x + 6 - 3

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5 0
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