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3 years ago

sam said the absoulute value of 14 is -14. Kai said the absolute value of 14 is 14. Who is correct. Explain

Mathematics

1 answer:

Hoochie [10]3 years ago

4 0

Answer:

Kai is right.

Step-by-step explanation:

Absolute Value is always positive.

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-7 2/3+(-5 1/2)+8 3/4

pickupchik [31]

Answer:

-4.416

-4 5/12

-53/12

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3 years ago

Simplify<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B4%5D%7B%20%7B5%7D%5E%7B4%7D%20%7D%20" id="TexFormula1" title=" \sqrt[

lukranit [14]

Answer:

Step-by-step explanation:

$\sqrt[4]{ {5}^{4} } \\ = ({5}^{4})^{ \frac{1}{4} } \\ = {5}^{ \frac{4}{4} } \\ = 5$

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3 years ago

Read 2 more answers

Find the inverse of the matrix <img src="https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D-4%266%5C%5C8%26-12%5C%5C%

liraira [26]

Answer:

Step-by-step explanation:

If there is a 2x2 matrix as $\left[\begin{array}{ccc}a&b\\c&d\\\end{array}\right]$

The determinant is given by $\frac{1}{ad-bc}\left[\begin{array}{ccc}d&-b\\-c&a\\\end{array}\right]$

<em>Now, if we calculate the value of "ad - bc", we see that:</em>

$(-4)(-12)-(8)(6)=0$

We can't calculate the inverse, the inverse doesn't exist. The answer is D.

4 0

3 years ago

Simplify -4(x+6)+2(x-2)

kati45 [8]

Answer:

$-2x-28$

Step-by-step explanation:

We can apply the distributive property then combine like terms for a simpler equation.

$-4(x+6)+2(x-2)\\\\-4x-24+2x-4\\\\-2x-28$

Hope this helped!

6 0

3 years ago

Read 2 more answers

Jean can pack 5 cartons in 15 minutes. Which expression can be used to show the number of cartons Jean can pack in x hours? Grou

nadezda [96]

Answer: 20x

Step-by-step explanation:

First we should note that 60 minutes = 1 hour. Therefore, 15 minutes = 15/60 = 1/4 hour

Since Jean can pack 5 cartons in 1/4 hours, the number of carton that he can pack in one hour will be:

= 5 ÷ 1/4

= 5 × 4

= 20 cartons.

Therefore, to get the number of cartons that Jean can pack in x hours, we will multiply 20 by x. This will be:

= 20 × x

= 20x

6 0

3 years ago