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3 years ago

Write the algebraic expression? The difference of a number x and 1/2

Mathematics

1 answer:

katrin [286]3 years ago

8 0

X - 1/2 because difference is subtraction

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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.

6 0

3 years ago

What is the total area of the shape

solong [7]

Answer:

Area : 704 square units

Step-by-step explanation:

First you do 16 x 10 = 160

then you do 32 x 17 = 544

then you add 160 + 544 = 704 (D)

7 0

3 years ago

Evaluate the following expression when x=2 and y=3.<br> 6у/x

vfiekz [6]

Answer:

Step-by-step explanation:

6y/x

6*3/2

18/2

8 0

2 years ago

Read 2 more answers

What is the unit rate $9.99 for 10 lbs

Fantom [35]

Answer:

$.999 for 1 pound

Step-by-step explanation:

If you divided both sides by 10. So 10/10= 1. 9.99/10= 0.999

5 0

3 years ago

1 over 8 added 5 times equals

leonid [27]

Answer:

5/8 or 41/8

Step-by-step explanation:

If you mean 1/8 x 5, then that equals 5/8

If mean 1/8 + 5, then that equals 41/8

3 0

3 years ago