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kondor19780726 [428]
3 years ago
5

Simplify 7y exponent 2- y exponent 2=

Mathematics
2 answers:
bixtya [17]3 years ago
8 0
7y^2 - y^2 = 6y^2 is the answer . Hope This Helps You !
GuDViN [60]3 years ago
3 0
7y^2 - y^2 = 6y^2

hope it helps
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Consider the fraction 13/40
tresset_1 [31]

Answer:

A- .325   B- Terminating

Step-by-step explanation:

a. 13/40=.325

B. Since bar natation is unecessary, the decimal is terminating

6 0
2 years ago
Giselle pays $220 in advance on her account at the athletic club. Each time she uses the club,
ale4655 [162]

Answer:

y=220-15x

Step-by-step explanation:

Let x represent the number of times Giselle uses the athletic club and y represent money left in account.

We have been given that each time she uses the club,  $15 is deducted from the account. The amount used after using the club after x times would be 15x.

We are also told that Giselle pays $220 in advance on her account at the athletic club.

The money left in account after x uses of athletic club would be money in account initially minus amount used for using the club x times.

y=220-15x

Therefore, our required equation would be y=220-15x.

5 0
3 years ago
Find the surface area of the solid. Round to two decimal places
Ne4ueva [31]
Check the picture below.

so, to get the area of the triangles, we can simply run a perpendicular line from the top to the base, and end up with a right-triangle with a base of 22 and a hypotenuse of 34, let's find the altitude.

\bf \textit{using the pythagorean theorem}
\\\\
c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b
\qquad 
\begin{cases}
c=hypotenuse\\
a=adjacent\\
b=opposite\\
\end{cases}
\\\\\\
\sqrt{34^2-22^2}=b\implies \sqrt{672}=b

so then the surface area of the triangular prism is,

\bf \stackrel{\textit{left and right}}{2(34\cdot 76)}~~+~~\stackrel{\textit{bottom}}{(44\cdot 76)}~~+~~\stackrel{\textit{front and back}}{2\left[\cfrac{1}{2}(44)(\sqrt{672})  \right]}
\\\\\\
8512~~+~~(44)(\sqrt{672})\qquad \approx\qquad 9652.61036291978

5 0
3 years ago
How do I get the median for this question ?
strojnjashka [21]
First you arrange them by least to greatest then because u would have 2 numbers as a median you add them then divide by 2
3 0
3 years ago
I need help ASAP!!!!!
kupik [55]

Answer:

y = 50

Step-by-step explanation:

Firstly, let's make an equation. We know that when y is 15, x is 3. Or, in other words, y is 5 times what x is. Therefore we can use the equation, y = 5x.

Now, just plug x into the equation.

y = 5(10)

y = 50

5 0
3 years ago
Read 2 more answers
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