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Verizon [17]
3 years ago
13

If it snowed 6 inches on Friday and then 1/2 of that on Saturday, then on Sunday 1/3 of all of that, how much snow did we get al

l together?
Mathematics
1 answer:
Kryger [21]3 years ago
3 0

Answer:

Step-by-step explanation:

snowed

Friday=6 inches

Saturday=1/2×6=3 inches

Sunday=1/3(6+3)=1/3×9=3 inches

Total snow=6+3+3=12 inches

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Write a matrix equation for the given systems of equations.
REY [17]

Answer:

<em></em>\left[\begin{array}{ccc}2&-6&2\\0&3&-2\\0&2&2\end{array}\right] \left[\begin{array}{ccc}x\\y\\z\end{array}\right]= \left[\begin{array}{ccc}1\\-5\\-3\end{array}\right]<em></em>

Step-by-step explanation:

Given system of equations are

2x-6y-2z = 1

3y - 2z = -5

2y + 2z = -3

given

2 x - 6 y - 2 z = 1

0 x + 3 y - 2z = -5

0 x +2y + 2 z = - 3

<em>The Matrix form of the given system of equations </em>

<em>A X = B</em>

<em></em>\left[\begin{array}{ccc}2&-6&2\\0&3&-2\\0&2&2\end{array}\right] \left[\begin{array}{ccc}x\\y\\z\end{array}\right]= \left[\begin{array}{ccc}1\\-5\\-3\end{array}\right]<em></em>

4 0
3 years ago
Will mark brainlest how to multipy it​
Lesechka [4]

Answer:

\displaystyle x   = 2 \sqrt{3}

Step-by-step explanation:

we would like to solve the following equation:

\displaystyle  \sqrt{3}  =  \frac{6}{x}

in order to do so do cross multiplication:

\displaystyle x \sqrt{3}  =  6

divide both sides by √3:

\displaystyle x   =   \frac{6}{ \sqrt{3}}

since we ended up with a square root on the denominator so we can consider rationalising the denominator to do so multiply both numerator and denominator by √3 which yields:

\displaystyle x   =   \frac{6}{ \sqrt{3}}  \times  \frac{ \sqrt{3} }{ \sqrt{ 3} }

simplify multiplication:

\displaystyle x   =   \frac{6 \sqrt{3} }{ 3}

reduce fraction:

\displaystyle x   = 2 \sqrt{3}

and we are done!

6 0
3 years ago
A square concert stage in the center of a fairground has an area of 4x^2 + 12x +9 ft^2. The dimensions of the stage have the for
mezya [45]

Answer:

(8x+12) feet.The perimeter when x=2ft is 28 feet.

Step-by-step explanation:

The solution is in the attached file.

7 0
3 years ago
NEED ASAP
nadya68 [22]

Answer:

$0.29

Step-by-step explanation:

Multiply the unit weight ($0.24/ounce) by the weight (1.2 oz.):

$0.24     1.2 oz

.24 * 1.2 = $0.288

So, the rounded answer will be $0.29

5 0
3 years ago
Read 2 more answers
Please help pleaseeeeeee
marysya [2.9K]

Answer:

B

Step-by-step explanation:

it's basically 2+7

3 0
2 years ago
Read 2 more answers
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