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Svetach [21]
4 years ago
14

Find the values of x and y. Please show steps

Mathematics
1 answer:
miv72 [106K]4 years ago
7 0
X: 90 degrees. y: 43 degrees

We know that x is a right angle. The way we find y is to add 47 + 90 which gives us 137. We also know that a right triangle adds up to 180. So, we subtract 137 from 180. This means that y would be 43 degrees.
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Four friends went to the movies each ticket cost $8 and each person bought popcorn and a soda for $5 how much did they spend in
Neporo4naja [7]
Answer: m = $52

Explanation:
Tickets (t) = $8
Popcorn & Soda (s)= $5
Friends = 4
Since all friends bought the same thing the equation will be set as
4(t +s) = m OR 4t +4s = m
Using substitution, you plug each variable
t = 8 and s = 5
4((8) + (5)) = m
4(8+5) = m => 4(13) =m => 52=m
OR
4(8) + 4(5) = m => 32 + 20 = m =>
52 =m
7 0
3 years ago
3. Simplify.<br><br> 312⋅312 <br><br> 4. Rewrite n√xm<br><br> using a rational expression.
Dmitry_Shevchenko [17]

Answer:


Step-by-step explanation:

Left

As near as I can tell, the question is x^(1/2) * x^(1/2) = The bases are the same, so all you do is add the powers.

x^(1/2 + 1/2) = x^1 which is just x.

Right

The is another one where the work is hard to show. The numerator (m) of the fraction is the power and the denominator (n) is the root. That sentence is all the work there is.

So you would write \sqrt[m]{x^{n} } = x^{\frac{m}{n} }


6 0
3 years ago
Read 2 more answers
-6x^3-y^2-3 ×=2 y=4 what is value
harkovskaia [24]

- 67

substitute the given values for x and y into the expression and evaluate

= - 6(2)³ - (4)² - 3 = ( - 6 × 8 ) - 16 - 3 = - 48 - 16 - 3 = - 67


5 0
3 years ago
Read 2 more answers
3x + y = 8<br><br> -x + y = -4<br> Solve the system. Write your answer as an ordered pair (x, y)
timurjin [86]
I hope this helps you



x=y+4



3 (y+4)+y=8


3y+12+y=8


4y= -4


y= -1


x= -1+4


x=3


(3, -1)
8 0
4 years ago
What is the ratio of 18 black bears to 27 mountain lions <br> Help !
Yakvenalex [24]

Answer:

18:27

Step-by-step explanation:

In the question the first one that is stated goes first then the other one. While finding a ratio it's pretty easy since all you have to do is 18:27 and done!

8 0
3 years ago
Read 2 more answers
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