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katovenus [111]
3 years ago
13

Polar coordinates of a point are given. Find the rectangular coordinates of the point. (2.1 ; 2pi/9)

Mathematics
1 answer:
maxonik [38]3 years ago
4 0
It is b. your answer is B
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The faces of a rectangular solid are square.<br> always<br> sometimes<br> never
Sonja [21]

Answer:

sometimes

Step-by-step explanation:

We can consider the example of a cuboid.

It is a rectangular solid whose all faces are made of rectangles.

But if we will consider a example of cube; which is also a kind of rectangular solid whose all faces are made up of square.

so we can get some solids whose faces are other than squares as well and some whose faces are squares.

Hence, we could say that:

The faces of a rectangular solid are sometimes square.

4 0
3 years ago
Read 2 more answers
Can y’all help me on 8
neonofarm [45]
If you go with the basic division formula and divide 42.5 by .75 you will get 56.6, but since you can’t have 2/3 of a book the correct answer would be 56
6 0
3 years ago
Write an appropriate direct variation equation if y = 8 when x = 4.
konstantin123 [22]
The correct option would be: y = 2x

You can check by replacing the variables with the given values.

Hope this helps!
4 0
3 years ago
Solve the system of equations using substitution. y = −2x + 1 4x + 2y = −2
Brums [2.3K]

Answer:

No solution

Step-by-step explanation:

The first equation is y=-2x+1

The second equation is 4x+2y=-2.

Put the first equation into the second one.

4x+2(-2x+1)=-2.

4x-4x+2=-2.

4x-4x=-2-2.

0=-4.

This is not TRUE.

Therefore the system has no solution

5 0
3 years ago
Read 2 more answers
16 3/4 hours in two days plan to work 12 3/4 hour the next two days. How many hours will u total on your time sheet for these 4
sergiy2304 [10]

let's firstly convert the mixed fractions to improper fractions and then add up all four days.

\bf \stackrel{mixed}{16\frac{3}{4}}\implies \cfrac{16\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{67}{4}}~\hfill \stackrel{mixed}{12\frac{3}{4}}\implies \cfrac{12\cdot 4+3}{4}\implies \cfrac{47}{4} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{all 4 days summed up}}{\cfrac{67}{4}+\cfrac{47}{4}}\implies \cfrac{67+47}{4}\implies \cfrac{114}{4}\implies \cfrac{57}{2}\implies 28\frac{1}{2}

7 0
3 years ago
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