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2 years ago

9

Sooooo, i spilled nail polish remover in my chrome book snd the keyboard is no longer working. also i'm on spring break tomorrow

and i'm scared they're gonna smell the removed pray for me

1 answer:

k0ka [10]2 years ago

7 0

Answer:

Oh snap TwT I wish U luck :3

Step-by-step explanation:

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Solve the equation by Completing the Square<br> x2 – 10x + 13 = 0

user100 [1]

Answer:

$x=5+\sqrt{12}$

or

$x=5-\sqrt{12}$

Step-by-step explanation:

$x^2-10x+13=0$

$x^2-10x=-13$

$x^2-10x+(\frac{10}{2})^2 =-13+(\frac{10}{2})^2$

$x^2-10x+(5)^2=-13+(5)^2$

$x^2-10x+25=-13+25\\x^2-10x+25=12$

Factor.

$(x-5)^2=12$

Extract the square root.

$x-5=\frac{+}{} \sqrt{12}$

Add 5

$x=5+\sqrt{12}$

or

$x=5-\sqrt{12}$

4 0

2 years ago

Read 2 more answers

Please show work if you do, ( and get it right) I will make you brainliest!!!

DerKrebs [107]

Answer:

The percentage increase in bird population in the second years is 4% .

Step-by-step explanation:

Given as :

During two years, the population of birds of an island became 7 times more than before.

The the percentage increase in first year = = $r_1$ =40%

Let The percentage increase in second year = $r_2$ = r%

So, According to question

The initial population of bird = x

The increase population of bird =7 times before = 7 x

Now,

The increase population of bird = initial population of bird × (1+ $\dfrac{r_1}{100}$ ) × (1+ $\dfrac{r_2}{100}$ )

Or, 7 x = x × (1+ $\dfrac{40}{100}$ ) × (1+ $\dfrac{r}{100}$ )

Or, $\dfrac{7 x}{x}$ = 1.4 × (1+ $\dfrac{r}{100}$ )

Or, 7 = 1.4 × (1+ $\dfrac{r}{100}$ )

Or, $\dfrac{7 }{1.4}$ = (1+ $\dfrac{r}{100}$ )

Or, 5 = (1+ $\dfrac{r}{100}$ )

Or, (1+ $\dfrac{r}{100}$ ) = 5

Or, $\dfrac{r}{100}$ = 5 - 1

Or, $\dfrac{r}{100}$ = 4

∴ r = 4 × 100

I.e r = 400

so, The percentage increase = r% = 4

Hence The percentage increase in bird population in the second years is 4% . Answer

3 0

2 years ago

How far is the sun from earth in scientific notation

Feliz [49]

Answer:

1.5 × 1011 m

Step-by-step explanation:

4 0

2 years ago

You make blueberry mufﬁns and banana bread for a bake sale. One batch of blueberry mufﬁns requires m cups of ﬂour, and one batch

natali 33 [55]

The expression that represents the total amount of ﬂour (in cups) you need is Am+Bn. The correct option is D.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

Given that one batch of blueberry mufﬁns requires m cups of ﬂour and You make A batch of blueberry mufﬁns. Therefore, the total flour required for making A batch of blueberry muffins is,

Number of flour = A × m = Am

Also, Given that one batch of banana bread requires n cups of ﬂour and You make B batch of banana bread. Therefore, the total flour required for making B batch of banana bread is,

Number of flour = B × n = Bn

Now, the expression that represents the total amount of ﬂour (in cups) you need in total is,

The total amount of flour = Am + Bn

Hence, the expression that represents the total amount of ﬂour (in cups) you need is Am+Bn.

Learn more about Expression here:

brainly.com/question/13947055

#SPJ1

6 0

1 year ago

I need help with 5 and 6

Iteru [2.4K]

Answer:

Step-by-step explanation: a is number 6 and c for number 5

6 0

2 years ago