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Rasek [7]
3 years ago
12

Please helpppp! i’ll mark brainliest

Mathematics
1 answer:
Fiesta28 [93]3 years ago
8 0

Answer:

from what i see i see thats its D

if not im sorry but i hope i got it right

Step-by-step explanation:

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Find the value of this expression if x = 2 and<br> y= 1.
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Answer: 2/5

Step-by-step explanation:

xy^2

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If x = 2 and y = 1

x * y^2 2 × 1^2

----------- -----------

5 5

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3 years ago
ABC is reflected over the y-axis. What are the vertices of
finlep [7]

Answer:

The answer is the first option.

Step-by-step explanation:

When you flip it over the y axis. A would still be the same. ANd the first one matches A.

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3 years ago
Solve the equation w/2.5 = 9.
inessss [21]

Answer:

w=45/2 or 22.5

Step-by-step explanation:

i hope this helps :)

8 0
3 years ago
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When the sum of 5 and three times a positive number is subtracted from the square of the number, 0 results. Find the number.
Juliette [100K]
x-the\ number\\\\x^2-(5+3x)=0\\\\x^2-5-3x=0\\\\x^2-3x-5=0

Use\ the\ quadratic\ formula:\\a^2x+bx+c=0\\\\\Delta=b^2-4ac\\\\if\ \Delta > 0\ then\ x_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\if\ \Delta=0\ then\ x_0=\dfrac{-b}{2a}\\\\if\ \Delta < 0\ then\ no\ solution

x^2-3x-5=0\\\\a=1;\ b=-3;\ c=-5\\\\\Delta=(-3)^2-4\cdot1\cdot(-5)+3+20=29 \ \textgreater \  0\\\\\sqrt\Delta=\sqrt{29}\\\\x_1=\dfrac{3-\sqrt{29}}{2\cdot1}=\dfrac{3-\sqrt{29}}{2} \ \textless \  0\\\\x_2=\dfrac{3+\sqrt{29}}{2\cdot1}=\dfrac{3+\sqrt{29}}{2} \ \textgreater \  0

Answer:\ \boxed{x=\dfrac{3+\sqrt{29}}{2}}
6 0
3 years ago
This is a line segment between two points on the circle or sphere which passes throught
yanalaym [24]

Answer:

diameter?

Step-by-step explanation:

4 0
3 years ago
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