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elixir [45]
3 years ago
14

Solve for y. y = 2x +5 ; when x= 2.

Mathematics
2 answers:
mixer [17]3 years ago
4 0
Y=2(2)+5
y=4+5
y=9

The answer for Y would be 9 by substituting! :)
Mila [183]3 years ago
3 0

Answer:  To find the x-intercept, substitute in  

0

for  

y

and solve for  

x

.

0

=

2

x

−

5

Solve the equation.

x

=

5

2

To find the y-intercept, substitute in  

0

for  

x

and solve for  

y

.

y

=

2

(

0

)

−

5

Simplify  

2

(

0

)

−

5

.

=

−

5

These are the  

x

and  

y

intercepts of the equation  

y

=

2

x

−

5

.

x-intercept:  

(

5

2

,

0

)

y-intercept:  

(

0

,

−

5

)

Plz brainliest thx (:

Step-by-step explanation:

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Someone please help me on this I have 5 minutes!
Alla [95]

Answer: A. sqrt of 500.

Step-by-step explanation: If you simplify the sqrt of 500, you will get 10 sqrt of 5

5 0
2 years ago
Read 2 more answers
5 + n2 &gt; 8<br> A. n &gt; 6<br> B. n&gt;3<br> C. n&gt;1.5<br> D. n &lt; 26
san4es73 [151]
N•2>8
then dive both sides 2n>8
and get n>4
4 0
3 years ago
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Y = -x^2 + 4x<br><br> quadratic formula
marin [14]

Answer:

Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Direction: Opens Down

Vertex:  

( 2 , 4 )

Focus:  

( 2 , 15 /4 )

Axis of Symmetry:  

x = 2

Directrix:  

y = 17 /4

x              y

0             0

1              3

2             4

3             3

4             0

To find the x-intercept, substitute in  

0  for  y  and solve for  x . To find the y-intercept, substitute in  0  for  x  and solve for  y .

x-intercept(s):  ( 0 , 0 ) , ( − 4 , 0 )

y-intercept(s):  ( 0 , 0 )

Step-by-step explanation:

4 0
3 years ago
What are the solutions to the equation (2x – 5)(3x – 1) = 0?
user100 [1]

Answer: x=\frac{5}{2}, x=\frac{1}{3}

Explanation:

The equation is:

(2x-5)(3x-1)=0

The term on the left consists of a product of two different factors: therefore, this product can be zero if either the first term (2x-5) or the second term (3x-1) is equal to zero.

This means that we can solve separately for the two terms:

2x-5=0\\3x-1=0

Solving the first equation:

2x-5=0\\2x=5\\x=\frac{5}{2}

Solving the second equation:

3x-1=0\\3x=1\\x=\frac{1}{3}

8 0
3 years ago
Read 2 more answers
Determine the Cartesian coordinates of the points with polar coordinates (\sqrt{2}, \pi/4 ), (0, \pi), (-1,400\pi), and ( 2\sqrt
yarga [219]

Answer:

Step-by-step explanation:

We have the conversion from polar coordinates to cartesian as

x =rcost and y = rsint where (r,t) are the polar coordinates

Also all trignometric functions are periodic with period = 2pi

Using this we find out

(\sqrt{2}, \pi/4 ) = (\sqrt{2}cos \pi/4, \sqrt{2}cos \pi/4,)=(1,1)\\ (0, \pi), (-1,400\pi),=(0 cos 1400 \pi, 0 sin 1400\pi)\\= (0, 0)\\\\ ( 2\sqrt{3},- 2\pi / 3) = (2\sqrt{3}, cos2\pi / 3, 2\sqrt{3},sin2\pi / 3))\\=(-\sqrt{3}, 3)

Thus we converted polar to rectangular coordinates.

Reverse would be

from (x,y) to (r,t) as

r=\sqrt{x^2+y^2} \\tant = y/x

8 0
3 years ago
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