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2 years ago

PLZ HELP ME IM TIMED YOU GUYS

Mathematics

1 answer:

Mashcka [7]2 years ago

8 0

Answer:

(-3.3, 3.3), (3, 3)

Step-by-step explanation:

A graphing calculator is appropriate technology for this.

_____

There is no system of equations. There are only two function definitions. Apparently you're to solve ...

y = f(x) = g(x)

for (x, y).

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Solve 12^x^2+5x-4 = 12^2x+6

faust18 [17]

The solutions for ‘x’ are 2 and -5

Step-by-step explanation:

Given equation:

$12^{x^{2}+5 x-4}=12^{2 x+6}$

Since the base on both sides as ‘12’ are the same, we can write it as

$x^{2}+5 x-4=2 x+6$

$x^{2}+5 x-2 x-4-6=0$

$x^{2}+3 x-10=0$

Often, the value of x is easiest to solve by $a x^{2}+b x+c=0$ by factoring a square factor, setting each factor to zero, and then isolating each factor. Whereas sometimes the equation is too awkward or doesn't matter at all, or you just don't feel like factoring.

The Quadratic Formula: For $a x^{2}+b x+c=0$ , the values of x which are the solutions of the equation are given by:

$x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Where, a = 1, b = 3 and c = -10

$x=\frac{-3 \pm \sqrt{(-3)^{2}-4(1)(-10)}}{2(1)}$

$x=\frac{-3 \pm \sqrt{9+40}}{2}$

$x=\frac{-3 \pm \sqrt{49}}{2}=\frac{-3 \pm 7}{2}$

So, the solutions for ‘x’ are

$x=\frac{-3+7}{2}=\frac{4}{2}=2$

$x=\frac{-3-7}{2}=\frac{-10}{2}=-5$

The solutions for ‘x’ are 2 and -5

6 0

2 years ago

Read 2 more answers

How many times can 8 go into 60

nignag [31]

The correct answers are:

(1) If EXACT number is required, then 7.5.

(2) If multiple of 8 is required then the answer will be 7 times with a remainder of 4.

Explanation:

First you need to express it in the form of equation to make things simpler as follows:

8 * y = 60

We need to find y; to do so, divide 60 by 8:

y = $\frac{60}{8}$

y = 7.5

Now if you want to find the whole number, then the answer will be 7 times, with 4 left over.

6 0

2 years ago

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A store buys an item for $10. To earn a PROFIT of $25, what percent does 13 po

LuckyWell [14K]

Answer:

150%

Step-by-step explanation:

25-10= 15

15/10 = 1.5

1.5 = 150%

6 0

2 years ago

I need these numbers in scientific notation, please! Thank you!

Shkiper50 [21]

$\text{The scientific notation:}\\\\a\cdot10^k\ \text{where}\ 1\leq a$

$18.4\ m=1.84\cdot10\ m\\\\0.000000000172\ g=0\underbrace{.0000000001}_{10\to}72=1.72\cdot10^{-10}\ g\\\\4292000\ s=4\underbrace{292000}_{\leftarrow6}\ s=4.292\cdot10^6\ s\\\\8.3\ \cdot10^{-4}\ m\\\\1.496\cdot10^8\ m\\\\23.1\cdot10^{-3}\ kg=2.31\cdot10\cdot10^{-3}\ kg=2.31\cdot10^{-2}\ kg$

4 0

2 years ago

Sentence represents this repeated additio 6 + 6 + 6 =

yawa3891 [41]

This can also be represented as 6x3. I hope that helped

7 0

2 years ago

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