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2 years ago

Round your answers to the nearest unit or degree.

Mathematics

1 answer:

Lynna [10]2 years ago

8 0

Ummmm i do not know i’m just trying to get points to ask questionssssss

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What’s this equation? 50 + 6x + 1 – 22x

Serga [27]

In simplified form, the answer would be -16x+51

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3 years ago

Which line is parallel to line r? line p line q line s line t

MAVERICK [17]

Keywords:

lines, plane, parallel

For this case we have five lines in a plane, and they ask us to find which of the four remaining lines is parallel to the line "r". We know that, by definition, two lines are parallel when they meet in the same plane, they maintain a certain distance between them, that is, if both prologue to infinity, they never intersect. Thus, the line parallel to line "r" must be line "s".

Answer:

The line parallel to the line "r" is the line "s"

4 0

2 years ago

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I need to make a matrix in reduced row echelon form

a_sh-v [17]

Let the three apartments be A, B & C

The rent of A is $x

The rent of B is $y

The rent of C is $z

So x + y + z = 1600 .......(1)

Now

Maintenance of A is 20% of x = 0.20x

Maintenance of B is 20% of y = 0.20y

Maintenance of C is 25% of z = 0.25z

0.20x + 0.20y + 0.25z = 345

Multiplying by 100 we get

20x + 20y + 25 z = 34500

Dividing by 5 we get

4x + 4y + 5z = 6900 .......(2)

Monthly fee of A is 10% of x = 0.10x

Monthly fee of B is 20% of y = 0.20 y

Monthly Fee of C is 10% of z = 0.10z

Now

0.10x + 0.20y + 0.10 z= 1820 - 1600

0.10x + 0.20y + 0.10z = 220

Multiplying by 100 we get

10x + 20y + 10z = 22000

Dividing by 10

x + 2y + z = 2200 ....(3)

Making a Matrix of equation (1), (2) & (3)

$\left[\begin{array}{ccc}1&1&1\\4&4&5\\1&2&1\end{array}\right] \left[\begin{array}{c}x\\y\\z\end{array}\right] =\left[\begin{array}{c}1600\\6900\\2200\end{array}\right]$

is the required matrix

7 0

3 years ago

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2(3+5y) Stanford form

enyata [817]

Be more specific with your question please

5 0

2 years ago

Help i tried and cant get the answer lol

zloy xaker [14]

Answer:

$209 \frac{3}{4} - {3}^{2} \times (8 {}^{2} - 38 \frac{1}{2} ) \\ = 209 \frac{3}{4} - 3 {}^{2} \times 25 \frac{1}{2} \\ = 209 \frac{3}{4} - 229 \frac{1}{2} \\ = - 19 \frac{3}{4}$

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3 years ago