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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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Eva8 [605]

Answer:

I think this would be 182

Step-by-step explanation:

8 0
2 years ago
1 (15 Points]. Prove the following statement: is divisible by 3 if only if it is a sum of three consecutive integers. be ddvisbk
Alinara [238K]

Answer:

<em>First.</em> Let us prove that the sum of three consecutive integers is divisible by 3.

Three consecutive integers can be written as k, k+1, k+2. Then, if we denote their sum as n:

n = k+(k+1)+(k+2) = 3k+3 = 3(k+1).

So, n can be written as 3 times another integer, thus n is divisible by 3.

<em>Second. </em>Let us prove that any number divisible by 3 can be written as the sum of three consecutive integers.

Assume that n is divisible by 3. The above proof suggest that we write it as

n=3(k+1)=3k+3=k + k + k +1+2 = k + (k+1) + (k+2).

As k, k+1, k+2 are three consecutive integers, we have completed our goal.

Step-by-step explanation:

4 0
2 years ago
PLEASE HELP!!! 15 PTS!!
kherson [118]

Answer:

\large\boxed{C.\ (2,\ -45^o)}

Step-by-step explanation:

Regular coordinates (x, y)

Polar coordinates (r, φ)

r=\sqrt{x^2+y^2}\\\\\psi=\arctan\frac{y}{x}

We have the point

(\sqrt2,\ -\sqrt2)

Substitute:

r=\sqrt{(\sqrt2)^2+(-\sqrt2)^2}=\sqrt{2+2}=\sqrt4=2\\\\\psi=\arctan\left(\frac{-\sqrt2}{\sqrt2}\right)=\arctan(-1)=-45^o

6 0
3 years ago
Question 8 the price of a cup of coffee was $2.55 yesterday. today, the price fell to $2.40 . find the percentage decrease. roun
Alex787 [66]
The answer would be 5.9%
3 0
3 years ago
HELP ME PLEASE I NEED ANSWERS REALLY FAST I'LL GIVE BRAINLIEST TO THE CORRECT ANSWER SO PLEASE HELP ME!!!!
GuDViN [60]

Answer:

B

Step-by-step explanation:

These lines dont cross CD and are not parrellel which is what skew lines are.

3 0
3 years ago
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