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VARVARA [1.3K]
3 years ago
13

What is the supplementary angle to an angle that has 112 degrees?

Mathematics
1 answer:
olga55 [171]3 years ago
7 0
Supplementary means they add up to 180°.
180-112= 68
The answer is 68°
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Solve the system using substitution. Check your solution.<br> 2x - y= 65<br> 5y = x
lyudmila [28]

Answer:

The solutions to the system of equations are:

x=\frac{325}{9},\:y=\frac{65}{9}

Step-by-step explanation:

Given the system of the equations

\begin{bmatrix}2x-y=65\\ 5y=x\end{bmatrix}

isolate 'x' for 2x-y

2x-y=65

Add y to both sides

2x-y+y=65+y

2x=65+y

Divide both sides by 2

\frac{2x}{2}=\frac{65}{2}+\frac{y}{2}

x=\frac{65+y}{2}

\mathrm{Subsititute\:}x=\frac{65+y}{2}

isolate 'y' for  5y=\frac{65+y}{2}

5y=\frac{65+y}{2}

10y=65+y

subtract y from both sides

10y-y=65+y-y

9y=65

Divide both sides by 9

\frac{9y}{9}=\frac{65}{9}

y=\frac{65}{9}

\mathrm{For\:}x=\frac{65+y}{2}

\mathrm{Subsititute\:}y=\frac{65}{9}

x=\frac{65+\frac{65}{9}}{2}

x=\frac{325}{9}

The solutions to the system of equations are:

x=\frac{325}{9},\:y=\frac{65}{9}

3 0
3 years ago
Total of 581 students. if the ratio of girls to boys in the class is 3:4, how many more boys than girls are in the class
KonstantinChe [14]
Since the ratio is 3:4 there are a total of 7 parts. Divide the 581by 7 to find that each part is 83.

3 0
3 years ago
If the function f(x) has a domain of (g,h) and a range of (j,k), then what is the domain and range of g(x) = m(f(x)] + p?​
sertanlavr [38]

Answer:

Dom\{g(x)\} = Dom\{f(x)\} = (g, h).

Ran \{g(x)\} = (m\cdot j+p,m\cdot k +p)

Step-by-step explanation:

From Mathematics we remember that the domain of a functions corresponds to the set of values of the independent variable (x in this case) so that images exist and the range of a function is the set of images.

In this case, we know the domain and range of f(x) and we must find the domain and range of g(x).

Domain

The domain of g(x) is the domain of f(x). That is, Dom\{g(x)\} = Dom\{f(x)\} = (g, h).

Range

We have to define the bounds of the range of g(x), given that range f(x) is modified by streching and horizontal translation operations:

Lower bound (f(x) = j)

g(x) = m\cdot j +p

Upper bound (f(x) = k)

g(x) = m\cdot k +p

In consequence, the range of g(x) is Ran \{g(x)\} = (m\cdot j+p,m\cdot k +p)

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3 years ago
You own a car wash with three of your friends. Your total profit in the first month was $438. In two months, each of you had mad
alexira [117]
A-$70 is the correct answer, even though im not sure.
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3 years ago
2x(squared) + 5 - 2<br><br> What is the answer to this trinomial?
Juliette [100K]
The answer is <span>2x + 3. 
</span>
4 0
3 years ago
Read 2 more answers
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