3 years ago

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Mathematics

1 answer:

Sholpan [36]3 years ago

8 0

Answer:

Larry must mow approximately 25 lawns before he starts making a profit

Step-by-step explanation:

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Step-by-step explanation:

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Consider the rectangular prism. What is the surface area of the rectangular prism?

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The difference between five times a number and twice that number

lara31 [8.8K]

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Three exterior angles of a pentagon measures 60,80and 90.Find the measure of other two exterior angle, assuming them equally Tha

julsineya [31]

Given:

The three exterior angles of a pentagon measures 60,80 and 90.

To find:

The measure of other two exterior angle, assuming them equally.

Solution:

Let x be the measure of two other exterior angles of the pentagon.

We know that the sum of all exterior angles of a pentagon is 360 degrees.

$60^\circ+80^\circ+90^\circ+x+x=360^\circ$

$230^\circ+2x=360^\circ$

$2x=360^\circ-230^\circ$

$2x=130^\circ$

Divide both sides by 2.

$\dfrac{2x}{2}=\dfrac{130^\circ}{2}$

$x=65^\circ$

Therefore, the measures of both exterior angles are 65 degrees.

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3 years ago

(1+5i) + (-8+i) ? Need answer and steps

Shtirlitz [24]

Answer:

6 $\sqrt{-1}$ -7

Step-by-step explanation:

simplyifying this we get

1+5i-8+i

= 6i-7

I am assuming the i you are talking about here is the sqrt of negative one so that would be 6 $\sqrt{-1}$ -7

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