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denis-greek [22]
3 years ago
10

Jordan is kayaking upstream. The following equation model his speed: f(x) = 2x2 − 4x − 9, where x is Jordan's speed relative to

land. What is the domain of the function?
x ≥ 1
x ≤ −4
x ≥ −9
All real numbers
Mathematics
2 answers:
zalisa [80]3 years ago
8 0

Answer:

All real answers is the correct choice. D.

zhannawk [14.2K]3 years ago
4 0

Answer:

all real numbers .

Step-by-step explanation:

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What are two steps are necessary to put this equation into standard form x^2 - 3x + 27 =8x- 3
Wittaler [7]

Answer:

you need to bring the 8x over then the -3

Step-by-step explanation:

X^2-3x+27=8x-3

X^2-11x+27=-3

x^2-11x+24

Is that what you are looking for??

Hope that helps feel free to ask more questions


Brainliest??

7 0
3 years ago
4.)star liked to practice her number sense when possible. She
Wittaler [7]

Answer:

56 + 17

Step-by-step explanation:

The numbers could be

56 + 17   because Star was separating how she added the decimal places

She added the tens units first and then the ones units last.

so   50 + 10   first

and then 6 + 7

5 0
2 years ago
State if the triangles in each pair are similar. If so, State how you know they are similar and complete the similarity statemen
yuradex [85]

Answer:

Answer is option 2

Step-by-step explanation:

We know that Angle M = Angle G (given in diagram)

We also know that Angle L in triangle LMN is equal to Angle L in triangle LGH

As two angles are equal in both triangles they are similar.

But why is it Triangle LGH instead of Triangle HGL?

As we know M=G therefore they should be in the same place in the name Of the triangle. In triangle LMN M is in the middle therefore Angle G should also be in the middle

7 0
2 years ago
What is the surface area of the square pyramid
user100 [1]

Answer:

128 feet squared

Step-by-step explanation:

you multiply 4 by 4 to get 16 ,

then you multiply 7 by 4 and get 28,

also multiply 28 by 4 and get 112 ,

finally add 112 and 16 to get 128


6 0
3 years ago
Need help finding the measure of each angle
9966 [12]
Both angles should be 90degrees

8 0
3 years ago
Read 2 more answers
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