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vitfil [10]
3 years ago
14

Solve equation by factoringX^+2x+1=0​

Mathematics
1 answer:
Soloha48 [4]3 years ago
6 0

Answer:

x=-1

Step-by-step explanation:

Step 1: Factor left side of equation.

(x+1)(x+1)=0

Step 2: Set factors equal to 0.

x+1=0 or x+1=0

x=−1

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When Lisa started at her current job, her employer gave her 2 days of paid
Novay_Z [31]

a. The equation computed shows that the number of paid vacation days has she earned will be 17 days.

b. The time when she will reach the maximum number of paid vacation days allowed is 6 years.

<h3>How to compute the equation?</h3>

a. The equation computed shows that the number of paid vacation days has she earned will be:

= 2 + 3x

x = 5

= 2 + 3(5)

= 2 + 15

= 17 days.

b. The maximum number of days for a pod vacation will be:

= 4 × 5

= 20 days.

The time when she will reach the maximum number of paid vacation days allowed will be:

20 = 3x + 2

3x = 20 - 2.

3x = 18

x = 18/3

x = 6 years

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7 0
2 years ago
How can you write 0.07 in the form a and b
sp2606 [1]

Answer:

7/100

Step-by-step explanation:

We want to write .07 as a fraction

7/100  were a = 7 and b = 100

3 0
3 years ago
Read 2 more answers
When calculating a loan’s effective interest rate, if the nominal rate is 8. 5%, what value of i do you plug into your equatio
natta225 [31]

The nominal rate to plug in will be 0.085.

Given to us, the nominal rate is 8.5%,

The value to plug into your equation,

The equation can be simple interest or compound interest in both cases the value of the nominal rate to the plugin will be the same.

Thus, the nominal rate is 8.5% can be written as

\begin{aligned}Nominal rate&= 8.5\%\\&= \dfrac{8.5}{100} \\&= 0.085\end{aligned}

Hence, the nominal rate to plug in will be 0.085.

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6 0
3 years ago
What is the radius of a circle whose equation is x2 y2â’10x 6y 18=0? 2 units 4 units 8 units 16 units.
musickatia [10]

The radius of the circle is 4 units.

Given to us:

x^2 + y^2 - 10x + 6y + 18 = 0

The generalized format for radius of a circle is given by:

\\(x - h)^2 + (x - k)^2 = a^2\\where,\\h, k= coordinate\ of\ the\ center\ of\ the\ circle\\a= radius\ of\ the\ circle

therefore after rearrangement of the equation we get,

x^2 + y^2 - 10x + 6y + 18 = 0,\\x^2 - 10x + y^2 + 6y =- 18,\\

adding 25 and 9 on both the sides to bring it in the generalized format for radius of a circle,we get

x^2 - 10x+25  + y^2+ 6y+9 =-18+25+9,\\

(x - 5)^2 + (y + 3)^2 = 16\\(x - 5)^2 + (y + 3)^2 = 4^2\\

Hence, the coordinate for this circle are x=5 and y=-3. And the radius of the circle is 4 units.

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3 0
3 years ago
ITS AN EMERGENCY!! PLEASE HELPP!! I WILL MARK YOU BRAINLIEST IF CORRECT
ANEK [815]

Answer: A, C, E

Step-by-step explanation:

Since it was only translated and reflected, nothing changed except for its location.

Therefore, I chose answers A, C, and E.

Hope this helps! :)

7 0
3 years ago
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