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snow_tiger [21]
3 years ago
11

Anybody know the answer??

Mathematics
1 answer:
Anastasy [175]3 years ago
4 0
The first one. 1 machine= x 5 mach.=5x. Total time is thus 5x+2/3=1 3/4h. Simply find x by doing 105min-40min/5 and that is 13.
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Each of a regular polygon is 140°,find the number of the sides that ghe polygon has​
Sloan [31]

Answer:

the answer should be 360/36=10 sides

Step-by-step explanation:

A regular polygon is 144 deg the exterior angle is 36 deg.

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Solve the system of inequalities: <br> 3x-10&lt;0<br> 2x&gt;0<br> HELPPP WILL MARK BRAINLIEST
son4ous [18]

Answer:

<u>Solve each inequality and combine solutions:</u>

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  • 2x > 0 ⇒ x > 0

<u>Combination of the two is:</u>

  • 0 < x < 10/3

or

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malfutka [58]

Answer:

The radios is two and the diameter is 16

Step-by-step explanation:

Hope this helps

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2 years ago
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3. Solve the inequality –2(z + 5) + 20 &gt; 6.
12345 [234]

\boxed{-2\left(z+5\right)+20>6\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:z

<em><u>Solution:</u></em>

<em><u>Given inequality is:</u></em>

-2(z+5)+20>6

We have to solve the given inequality

-2\left(z+5\right)+20>6\\\\\mathrm{Subtract\:}20\mathrm{\:from\:both\:sides}\\\\-2\left(z+5\right)+20-20>6-20\\\\\mathrm{Simplify}\\\\-2\left(z+5\right)>-14

Multiply\ both\ sides\ by\ -1\ \left(reverse\:the\:inequality\right)

Whenever we multiply or divide an inequality by a negative number, we must flip the inequality sign

\left(-2\left(z+5\right)\right)\left(-1\right)

<em><u>Thus the solution to inequality is:</u></em>

-2\left(z+5\right)+20>6\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:z

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3 years ago
How do u calculate pythagoras therorem
Kamila [148]

Answer:

a^2+b^2=c^2

Step-by-step explanation:

You can apply this formula to any quadratic equation.

4 0
2 years ago
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