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3 years ago

R' (-1, 9) is the image of R after a reflection in the x-axis. What are the coordinates of R?

Mathematics

1 answer:

Yanka [14]3 years ago

8 0

(1,9) HERE COMES THE SUN DUDUDU HERE COMES THE SUN

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How many cells are in the human body

NARA [144]

Answer:

There should be 37.2 trillion, however this is not a finite number and there might be more or less depending on the person.

Step-by-step explanation:

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3 years ago

Consider the figure. What is the area of the figure, in square centimeters?

Serhud [2]

Answer: The

Step-by-step explanation: First we look at our right angles of the shape, Next you analyze your formula and use it to form your answer(formula: Base X Height).Then for the final step you would multiply 9x5=45.We wouldn't be doing all of them because that would be doing Total Area.

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3 years ago

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Please help me :)) algebra 2! what are the real roots?

irina1246 [14]

Answer:

Step-by-step explanation:

So we have the equation:

$3(x-4)^\frac{4}{3}+16=64$

First, let's subtract 16 from both sides:

$3(x-4)^\frac{4}{3}=48$

Now, let's divide both sides by 3:

$(x-4)^\frac{4}{3}=16$

Remember that with fractional exponents, we can move the denominator into the root position. Therefore:

$(\sqrt[3]{x-4})^4=16$

Let's take the fourth root of both sides. Since we're taking an even root, make sure to have the plus-minus symbol!

$\sqrt[3]{x-4} =\pm 2$

Cube both sides. Since we're cubing, the plus-minus stays.

$x-4=\pm 8$

Add 4 to both sides.

$x=\pm 8+4$

Calculator:

$x=8+4\text{ or } x=-8+4\\x=12\text{ or } x=-4$

So, our answer is A.

And we're done!

7 0

4 years ago

Solve the following equation. 2/3x + 6 =1/2 x + 1/4x

MA_775_DIABLO [31]

Answer:

x = 72

Step-by-step explanation:

2/3x + 6 = 1/2x + 1/4x

2/3x + 6 = 3/4x

3/4 - 2/3 = 1/12

6 = 1/12x

Multiply 6 by 12 to get x

x = 72

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3 years ago

Read 2 more answers

Suppose Ken has 25 coins and nickels and dimes only and has a total of a $1.65 how many of each coin does he have?

nikklg [1K]

$x-\ number\ of\ nickels\\
y-\ number\ of\ dimes\\\\
x+y=25 \ \ \ | x=25-y\\
0.05x+0.1y=1.65\\\\
0.05(25-y)+0.1y=1.65\\\\
1.25-0.05y+0.1y=1.65\\\\
1.25+0.05y=1.65\ \ \ | subtract\ 1.25\\\\
0.05y=0.4\ \ \ \ \ | divide\ by\ 0.05\\\\
y=8\\\\
x=25-8=17\\\\
There\ are\ 17 \ nickels\ and\ 8\ dimes.
$

6 0

3 years ago