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3 years ago

5

1. Order from smallest to Largest

1 answer:

scZoUnD [109]3 years ago

3 0

Answer:

book, bread, penny, bills

Step-by-step explanation:

It takes the least amount of books to reach 1ft, then bread, penny, lastly bilss

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1. What is the solution of n² – 49 = 0? (1 point)

maks197457 [2]

Answer:

1. $n=\pm7$

2. $x=\pm7i[tex]3.[tex]\pm 12x =a$

4. 22

Step-by-step explanation:

1. $n^2 - 49 = 0$

$n^2 =49$

$n= \sqrt{49}$

$n=\pm7$

2. $x^2+64 = 0$

$x^2 =-64$

$x= \sqrt{49}$

$x=\pm7i[tex]3. Area of square = [tex]a^{2}$

Where a is the side

We are given an area o square = $144x^{2}$

So, $144x^{2}=a^{2}$

$\sqrt{144x^{2}}=a$

$\pm 12x =a$

4. We are given that the solution of quadratic equation -9 and 9

So, equation becomes:

$(x+9)(x-9)=0$

$x^2- 81=0$

So, in the given equation $x^2 + z = 103$

z should be the number from which if we subtract 103 so we get 81

Substitute z = 22

$x^2 + 22 = 103$

$x^2 + 22 -103=0$

$x^2 -81=0$

Thus the value of z is 22

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3 years ago

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Find the product.<br><br> (8-3z)(8+3z)

maks197457 [2]

Step-by-step explanation:

you can open the file I gave you now. the answer is there

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3 years ago

Write 0.0000004954 in scientific notation.

SCORPION-xisa [38]

By scientific notation I am assuming you mean standard form, as that is used primarily in scientific calculations. The answer in standard form would be
$4.954 \times {10}^{ - 7}$
I hope this helps!

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3 years ago

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Pre-Calc, please help! Will give brainliest!

Rus_ich [418]

Answer:

Idk

Step-by-step explanation:

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3 years ago

PLZ HELP NOW! Mandy earns money based on how many hours she works. The following table shows Mandy's earnings. Hours 1 2 3 Earni

vampirchik [111]

Answer:

In khan academy, just plot the points and the answer is yes.

Step-by-step explanation:

Use the table to plot the points and you'll figure out that it's proportional- so the answer to the question below is yes. Doesn't need too much explaining.

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3 years ago