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babunello [35]
3 years ago
6

What are the x-values of the quadratic equation (x-2)^2-9=0?

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
5 0

Answer: x=−1 or x=5

Step-by-step explanation:

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A goat and a cow together weigh 190 kg 640 g. The weight of the goat is 59 kg 720 g. Find the weight of the cow
AVprozaik [17]

Answer: 130 kg 920 g

Step-by-step explanation:

Given

The weight of the goat is 59 kg  720 g

The combined weight of goat and cow is 190 kg 640 g

Suppose, the weight of the cow is x kg

We know, 1 kg=1000 g

Converting weight into kg

Goat weight

=59+0.720\\=59.720\ kg

Total weight

=190+0.640\\=190.640\ kg

Then, the cow weight is given by

\Rightarrow 190.640-59.720\\\Rightarrow 130.920\ kg\ \text{or}\ 130\ kg\ 920\ g

7 0
2 years ago
Which function represents a translation of the graph of v=x^2
KatRina [158]

Answer:

B.

Step-by-step explanation:

That would be y = (x +10)^2.

8 0
2 years ago
Parellel lines it says 75 degrees and on another line it says 11x-2 what's the answer?
likoan [24]

Answer:

x = 7

Step-by-step explanation:

Parallel lines so their the same

11x - 2 = 75

add 2 to both sides

11x = 77

divide both signs with 11

x = 7

8 0
3 years ago
Read 2 more answers
Tammy conducted a survey to find the favorite subject of the students at her school. She asked 25 students from her math class w
almond37 [142]
Tammy's sample may not be considered valid because, on the first hand, it is said that she only asked students from her " Math Class". 
If she wants to have a survey to find out the favorite subject of the students at her school, she must conduct a survey involving all the students in her school, not just in her class. What she did is just subjective. She should use a tally listing the different subjects and compare the number of students per subject. This way, she can have an objective representation of the least liked subjects and the most liked subjects of the students on her school.
Illustrating her survey through statistics may be more reliable and valid because it shows frequencies in which she can calculate easily and accurately the percentage of  the number of students per subject, in a more objective manner.
7 0
3 years ago
What is the equation of the line that passes through the point (4, 11) and is perpendicular to the line with the following equat
Marrrta [24]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
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