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3 years ago

Which correspondences are equivalent to ALMN = ARST?

Mathematics

1 answer:

fenix001 [56]3 years ago

6 0

Answer: whats the answer???? I need it soo badd :((

Step-by-step explanation:

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The line of symmetry of the parabola whose equation is y = ax^2 -4x + 3 is

alex41 [277]

Answer:

B. -1

Step-by-step explanation:

If we have a parabola whose equation is:

$y=ax^{2} +bx+c$

The line of symmetry is calculated as:

$x=\frac{-b}{2a}$

Now, we have the equation $y=ax^{2}-4x+3$ and the line of symmetry is $x=-2$

Where:

$b=-4\\c=3$

So, we can replace $b$ by -4 and $x$ by -2 and solve for $a$ using the following equation as:

$x=\frac{-b}{2a}\\-2=\frac{-(-4)}{2a}\\-2(2)a=4\\-4a=4\\a=-1$

It means that the equation of the parabola is equal to:

$y=-1x^{2}-4x+3$

7 0

3 years ago

how do you solve this: the sale price is $146.54 and the discount is 15% off. how do you solve for the original price?

N76 [4]

Mp. 146.54
dis . 15%
sp= 146.54 - 15 % of 146.54
=124.559

6 0

3 years ago

What is the domain of the following relation?<br> {(a, b), (b, c), (c, a), (a, c), (c, d)}

ElenaW [278]

X:{a, b, c}, because the numbers(or letters in this problem) cannot repeat.

8 0

3 years ago

Read 2 more answers

Please help ASAP!!!!!!!

JulsSmile [24]

Answer:

$86.81

Step-by-step explanation:

Using the given formula, we want to compute A for ...

P = 4750

r = 0.2279

n = 365 . . . . . assuming "exact" interest

t = 1 or 30

For 1 day late:

A = 4750(1 +0.2279/365)^(365·(1/365)) = 4752.97

For 30 days late:

A = 4750(1 +0.2279/365)^(365·(30/365)) = 4839.78

The difference in these payment amounts is ...

$4839.78 -4752.97 = $86.81

You would save $86.81 in interest charges by paying only 1 day late.

_____

<em>Comment on the question</em>

It would be a poor choice of credit card to use one that compounds interest daily. Most do so on a monthly basis.

5 0

3 years ago

Read 2 more answers

The largest county in the state of Texas is 6064 square miles larger than the smallest county in the same state. The size of the

Ann [662]

The smallest county is 129 square miles large.

Step-by-step explanation:

Let,

Smallest county = x

Largest county = y

According to given statement;

The largest county in the state of Texas is 6064 square miles larger than the smallest county in the same state.

y = x+6064 Eqn 1

The size of the largest county is 48 times the size of the smallest county plus one square mile.

y = 48x+1 Eqn 2

As Eqn 1 and Eqn 2 are both equal to y, therefore,

Eqn 1 = Eqn 2

$x+6064=48x+1\\6064-1=48x-x\\6063=47x\\47x=6063$

Dividing both sides by 47

$\frac{47x}{47}=\frac{6063}{47}\\x=129\ square \ miles$

The smallest county is 129 square miles large.

Keywords: linear equation, substitution method

Learn more about substitution method at:

#LearnwithBrainly

7 0

3 years ago