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2 years ago

1/2% of 412 with work

Mathematics

2 answers:

Trava [24]2 years ago

8 0

Answer:

1.5% x 412 = 618?

Step-by-step explanation:

zmey [24]2 years ago

3 0

Answer:

103/50

Step-by-step explanation:

Simplify

1/2

100

(412)

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Which values for A and B will create infinitely many solutions for this system of equations

Ratling [72]

Answer:

A = - 2 and B = - 8

Step-by-step explanation:

A = - 2 and B = - 8 will create infinitely many solutions for this system of equations

When you add both equations together and both sides are equal then the systems have infinitely many solutions

-2x - y = 8

2x + y = -8

--------------------Add

0 = 0

Both sides are equal 0

Infinitely many solutions

7 0

3 years ago

What is in (e^A)? A, A+1, ln A + ln e, 1 + ln A

nata0808 [166]

Answer:

$\large\boxed{\ln e^A=A}$

Step-by-step explanation:

$Use\\\\\log_ab^n=n\log_ab\\\\\log_aa=1\\\\\ln a=\log_e a\to\ln e=1\\====================================\\\\\ln e^A=A\ln e=A(1)=A$ [/tex]

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3 years ago

1.) Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth .x squared minus 21 x equals n

Andrew [12]

Part 1
We are given $x^2-21x=-4x$ . This can be rewritten as $x^2-18x=0$ .
Therefore, a=1, b=-18, c=0.
Using the quadratic formula
$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}=\frac{-\left(-18\right)\pm \sqrt{\left(-18\right)^2-4\left(1\right)\left(0\right)}}{2\left(1\right)}$
$x=\frac{18\pm 18}{2}$

The values of x are
$x_1=\frac{18-18}{2}=0$
$x_2=\frac{18+18}{2}=18$

Part 2
Since the values of y change drastically for every equal interval of x, the function cannot be linear. Therefore, the kind of function that best suits the given pairs is a quadratic function.

Part 3.
The first equation is $y=x^2+2$ .
The second equation is $y=3x+20$ .

We have
$x^2+2=3x+20$
$x^2-3x-18=0$
Factoring, we have
$\left(x-6\right)\left(x+3\right)=0$
Equating both factors to zero.
$x_1-6=0\rightarrow x_1=6$
$x_2+3=0\rightarrow x_2=-3$

When the value of x is 6, the value of y is
$y=3\left(6\right)+20=38$

When the value of x is -3, the value of y is
$y=3\left(-3\right)+20=11$

Therefore, the solutions are (6,38) or (-3,11)

7 0

2 years ago

If a math test has questions on spelling, the test does not<br><br> have this type of validity.

Arada [10]

Answer:

yes

Step-by-step explanation:

because its true

8 0

2 years ago

Read 2 more answers

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Makovka662 [10]

Answer:

it would be the first answer

Step-by-step explanation:

you can draw the net of the shapes, and count each corner there

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2 years ago