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elixir [45]
2 years ago
14

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

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

The answer for Y would be 9 by substituting! :)
Mila [183]2 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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2(x – 2) + 6 = 0 <br> can anyone tell me the answer with steps please
Andrews [41]

Answer:

x = -1

Step-by-step explanation:

2(x – 2) + 6 = 0

~Distribute left side

2x - 4 + 6 = 0

~Combine like terms

2x + 2 = 0

~Subtract 2 to both sides

2x = -2

~Divide 2 to both sides

x = -1

Best of Luck!

5 0
2 years ago
At the animal shelter, there are 4 dogs for every 3 cats. Only dogs and cats are accepted (let in) at the shelter. If there are
artcher [175]

Answer:

There are 42 animals at the shelter

7 0
2 years ago
What is the value of<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B2%20%5Ctimes%202%20%5Ctimes%202%20%5Ctimes%202%20%5Ctimes
erma4kov [3.2K]

Answer:

2*2*2*2*9=144

√144

=12

8 0
2 years ago
Read 2 more answers
Does the series converge or diverge? If it converges, what is the sum? Show your work. ∑ ∞ n = 1 − 4 ( − 1 / 2 ) n − 1
Mekhanik [1.2K]

Answer:

Step-by-step explanation:

Given the series,

∑ ∞ n = 1 − 4 ( − 1 / 2 ) n − 1

I think the series is summation from n = 1 to ∞ of -4(-1/2)^(n-1)

So,

∑ − 4 ( − ½ )^(n − 1). From n = 1 to ∞

There are different types of test to show if a series converges or diverges

So, using Ratio test

Lim n → ∞ (a_n+1 / a_n)

Lim n → ∞ (-4(-1/ 2)^(n+1-1) / -4(-1/2)^(n-1))

Lim n → ∞ ((-4(-1/2)^(n) / -4(-1/2)^(n-1))

Lim n → ∞ (-1/2)ⁿ / (-1/2)^(n-1)

Lim n→ ∞ (-1/2)^(n-n+1)

Lim n→ ∞ (-1/2)^1 = -1/2

Since the limit is less than 0, then, the series converge...

Sum to infinity

Using geometric progression formula

S∞ = a / 1 - r

Where

a is first term

r is common ratio

So, first term is

a_1 = -4(-½)^1-1 = -4(-½)^0 = -4 × 1

a_1 = -4

Common ratio r = a_2 / a_1

a_2 = 4(-½)^2-1 = -4(-½)^1 = -4 × -½ = 2

a_2 = 2

Then,

r = a_2 / a_1 = 2 / -4 = -½

S∞ = -4 / 1--½

S∞ = -4 / 1 + ½

S∞ = -4 / 3/2 = -4 × 2 / 3

S∞ = -8 / 3 = -2⅔

The sum to infinity is -2.67 or -2⅔

Check attachment for better understanding

3 0
3 years ago
Albert is five years younger than his brother bill. Write an equation that shows Albert's age with respect to Bills.
Charra [1.4K]

Answer:

A=B-5

Step-by-step explanation:

Albert is known as the variable A.

Bill is known as the variable B.

If Albert is 5 years younger than Bill. Then the equation will be

a=b-5

3 0
3 years ago
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