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Sati [7]
3 years ago
13

Math is hard help pls​

Mathematics
1 answer:
olga_2 [115]3 years ago
3 0

Answer:

60% Hope this helped! :)

Step-by-step explanation:

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Hello, I need some assistance with this homework question, please? This is for my precalculus homework. Q5
snow_tiger [21]

Answer:

T\text{he domain of H\lparen x\rparen is }\lbrace x\lvert x-3,1\rbrace

Step-by-step explanation:

The domain of a function is all the set of possible x-values that the function can take. Then, for the given function:

H\left(x\right)=\frac{-7x^2}{\left(x-1\right)\left(x+3\right)}

The function is undefined when the denominator is equal to 0, then equalize each factor of the denominator to 0:

\begin{gathered} x-1=0 \\ x=1 \\  \\ x+3=0 \\ x=-3 \\  \\ \text{ Then, the domain of H\lparen x\rparen is }\lbrace x\lvert x\ne-3,1\rbrace \end{gathered}

4 0
1 year ago
X-4y=-21<br> 8y-x=45<br> Solve the system <br> (X,y)=
meriva

Answer:

\displaystyle (3, 6)

Step-by-step explanation:

{x -4y = −21

{8y - x = 45

_________

\displaystyle \frac{4y}{4} = \frac{24}{4} \\ \\

\displaystyle y = 6[Plug this back into both equations above to get the x-coordinate of 3]; \displaystyle 3 = x

I am joyous to assist you anytime.

6 0
3 years ago
.24 of the jackets for sale at a clothing store are blue. If this represents 15% of all jackets in the
bulgar [2K]

Answer:

165 jackets or 85%

Step-by-step explanation:

8 0
2 years ago
Kaitlin drove 936 miles in 13 hours.
sergij07 [2.7K]

Answer:

756 miles

Step-by-step explanation:

Divide 936 by 13 to get 72, the miles per hour and then multiply by 8

5 0
3 years ago
Someone pls help me with this question
serg [7]

Where is the questoin pls tell me

5 0
2 years ago
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