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o-na [289]
2 years ago
14

Simplify fully, does anyone know ?

Mathematics
2 answers:
Misha Larkins [42]2 years ago
7 0

Answer:

see explanation

Step-by-step explanation:

Using the rule of exponents

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

(a)

\frac{x^{7} }{x^{3} } = x^{(7-3)} = x^{4}

(b)

\frac{y^{5} }{y^{4} } = y^{(5-4)} = y^{1} = y

Julli [10]2 years ago
6 0

Here's an explanation! :)

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Given:
I am Lyosha [343]

Answer:

m∠QPR = 20°

Step-by-step explanation:

If we make a sketch of the triangle, it will be observed, that line R bisects angle P.

Considering Triangle, ΔQPS;

∠QPS=107∘

Considering triangle, QPR;

∠QPR=9x-115∘

Considering triangle, RPS;

∠RPS=4x+27∘

Thus, ∠RPS + ∠QPR = ∠QPS

4x+27° + 9x-115° = 107°

13x - 88° = 107∘

13 x = 107∘ + 88∘

13x = 195°

x = 195°/13

x = 15°

m∠QPR = 9x - 115°

= (9 x 15) - 115°

= 135° - 115°

= 20°

Therefore, m∠QPR = 20°

6 0
3 years ago
Guys pls help solve for x
madam [21]

Answer:

x=2

Step-by-step explanation:

x+(2x)^2=18

6 0
3 years ago
Gghjuyhyghggjtfdfhhhfgjfhhf​
topjm [15]

Hello.

Have a beautiful and joyful day ahead.

3 0
3 years ago
Read 2 more answers
If there are about 1 2/5 kilometers in 1 mile,about how many kilometers are in 4 miles?
-BARSIC- [3]
<span>This problem is an example of ratio and proportion. A ratio is a comparison between two different things. You are given the equivalent distance of a 1 2/5 kilometers to 1 mile. Also you are given 4 miles. You are required to find the distance in kilometers of 4 miles. The solution of this problem is,</span>  

1 2/5 kilometers /1 mile = distance/ 4 miles
distance = (4 miles) (1 2/5 kilometers /1 mile)
<u>distance = 28/5 or 5.6 kilometers</u>
<u>There are 5.6 kilometers in 4 miles.</u>
7 0
2 years ago
Simplify the expression -3 ÷ (-2/5 ​
Harlamova29_29 [7]

Answer:

7.5

Step-by-step explanation:

To solve this expression, we can use PEMDAS or order of operations.

<u>Parenthesis</u>

<u>Exponents</u>

<u>Multiplication>Division (Depends on which comes first from left to right)</u>

<u>Addition>Subtraction (See Multiplication>Division)</u>

So First, lets solve the <u>Parenthesis</u>. -2/5=-.4

So now, our equation is -3/-.4

There is no exponents or multiplication, so lets just <u>Divide</u>.

-3/-.4=7.5

The solution is 7.5

Hope this helps!

6 0
3 years ago
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