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Romashka-Z-Leto [24]
3 years ago
10

If you know the answer to this question please help!! 7th grade math

Mathematics
1 answer:
satela [25.4K]3 years ago
8 0

Answer: obtuse

Step-by-step explanation:

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Gnesinka [82]
6. n=14
7. 3 hours
8. t=13
5 0
4 years ago
Read 2 more answers
Select the correct answer.
viva [34]

Answer:

As the given equation represents a quadratic function.

Thus, y\:=\:x^2-9x represents a function.

As we know that the function is just a relation in which each input has only one output.

Thus, y\:=\:x^2-9x represents a relation and function.

Step-by-step explanation:

Given the equation

y\:=\:x^2-9x

As the given equation represents a quadratic function.

Thus, y\:=\:x^2-9x represents a function.

As we know that the function is just a relation in which each input has only one output.

Thus, y\:=\:x^2-9x represents a relation and function.

We know that the domain of a function is the set of input or argument values for which the function is real and defined.

\mathrm{Domain\:of\:}\:x^2-9x\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:

We also know that the range of a function is the set of values of the dependent variable for which a function is defined.

\mathrm{Range\:of\:}x^2-9x:\quad \begin{bmatrix}\mathrm{Solution:}\:&\:f\left(x\right)\ge \:-\frac{81}{4}\:\\ \:\mathrm{Interval\:Notation:}&\:[-\frac{81}{4},\:\infty \:)\end{bmatrix}

The graph is also attached below. From the graph, it is clear that it represents a Parabola.

6 0
3 years ago
How many solutions are in -x-y=3 and y=x-3
Klio2033 [76]
See, pls, offered explanation:
1) the both equations are linear function, it means system made up of the both equation has the only solution.
2) if to prove this:
\left \{ {{-x-y=3} \atop {-x+y=-3}} \right.  \left \{ {{x=0} \atop {y=-3}} \right.
Answer: one solution.
5 0
3 years ago
Solve by using the quadratic formula:<br> x² - 6x + 7-O
Harrizon [31]

Answer:

it is x=7

x=-1

Step-by-step explanation:

i using the quadratic formula

6 0
3 years ago
Read 2 more answers
1: 2 2/3 - 3/5 <br> 2: 2 1/5 + 1 1/10<br> 3: 2 5/7 - 2/3<br> 4: 1/4 + w = 6 1/3
Yanka [14]

2 2/3 - 3/5 = 2 1/15

2 1/5 + 11/10 = 3 3/10

2 5/7 - 2/3 = 2 1/21

1/4 + w = 6 1/3

w = 6 1/12

Hope this helps :)

6 0
4 years ago
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