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Zina [86]
3 years ago
8

7 1/8-3 2/3 As a mixed number in simplest form.

Mathematics
2 answers:
Luba_88 [7]3 years ago
7 0
The answer is 3 11/24
Lady_Fox [76]3 years ago
5 0

Answer:

3  11/24

Step-by-step explanation:

Convert the mixed numbers to improper fractions, then find the LCD and combine.

Exact Form:

83 /24

Decimal Form:

3.458 3

Mixed Number Form:

3  11/24

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In the adjoining figure prove that<A+<B+<C+<D+<E is equal 180​
Naya [18.7K]

It has been proved that the 5 star vertices have their sum of angles as A + B + C + D + E = 180°

<h3>How to find the sum of angles of a polygon?</h3>

The adjoining star contains a regular pentagon. Thus;

Sum of interior angles of the pentagon = (5 - 2) * 180 = 540°

Thus;

Each interior angle of the pentagon = 540/5 = 108°

Thus, each exterior angle = 180 - 108 = 72°

Then measure of the angle at the vertex = 180 - 72 - 72 = 36°

Thus, each angle at the vertices of the star have an angle of 36°.

There are 5 star vertices and so;

Sum of angles of 5 star vertices = 5 * 36 = 180°

Read more about Angles in a Polygon at; brainly.com/question/1592456

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6 0
2 years ago
-5x + 2 = 67 <br> Can you help me?
coldgirl [10]

Answer:

-13

Step-by-step explanation:

-5x + 2 = 67

-5x = 65

5x = -65

x = -13

8 0
3 years ago
Sami's bank account earns 4% simple interest per year. If Sami deposits $500, how much simple interest will she earn in one year
timurjin [86]

Answer:

$20 simple interest.

Step-by-step explanation:

The simple interest that Sami earns is 4% of her deposit since she is trying to find how much she will earn in one year (given that the interest rate is 4% per annum).  

\$500\times4\%=\$20

∴ Sami earns $20 simple interest in one year.

Hope this helps :)

6 0
3 years ago
Please help me with this
Eduardwww [97]

Answer:

r^{6}

Step-by-step explanation:

Using the rule of exponents

\frac{a^{m} }{a^{n} } = a^{(m-n)} , then

\frac{r^{9} }{r^{3} } = r^{(9-3)} = r^{6}

5 0
3 years ago
Express as a trinomial.<br> (3x+5)(2x+9)
Mashutka [201]
The answer is 6x2+37x+45
7 0
3 years ago
Read 2 more answers
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