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kipiarov [429]
3 years ago
10

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system

?
A.
There are infinitely many solutions.
B.
There is no solution.
C.
There is exactly one solution.
D.
The lines in a system cannot be parallel.
Mathematics
2 answers:
Romashka-Z-Leto [24]3 years ago
6 0

Answer:

the answer is number c

Step-by-step explanation:

nekit [7.7K]3 years ago
3 0

If the two lines are parallel then there is no possible solution so the answer is B

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A researcher measures the correlation between the frequency of self-esteem (high,low)and health status (lean/healthy,overweight/
tresset_1 [31]

Answer: B) 0.28

Step-by-step explanation:

Given that:

Lean/Healthy Overweight/ ObeseSelf Esteem Low 18 32 High 32 18

                Overweight/Obese      Lean/Healthy               Total

Low          32                                   18                                 50

High         18                                    32                                50

Total         50                                   50                               100

the phi correlation coefficient is defined by Ф = √x²/n

where n = 100 ( total number of response )

x² = [(32×32 - 18×18)² × 100] / [50 × 50 × 50 × 50]

Ф = √ [(700)² x 100) / (50)⁴ × 100

Ф = 700 / 50²

Ф = 0.28

Therefore option B) is the correct answer

5 0
3 years ago
Toski is building a room that is 18 feet long and 14 feet wide. Construct a scale drawing of the shed. Use a scale of inch = 2 f
AURORKA [14]

Answer:

Option A is the answer

Step-by-step explanation:

Toski is building a room having length = 18 feet

Width of the room = 14 feet

Scale has been given as 1 inch = 2 feet

∵ 2 feet = 1 inch

∴ 1 feet = \frac{1}{2} feet

∴ 18 feet length of the room = \frac{18}{2}=9 inches

Similarly 14 feet width of the room = \frac{14}{2}=7 inch

Now we count the small blocks in the given options.

Option A has 9 blocks or 9 inches as the length of the room and 7 blocks or 7 inches as the width of the room.

Option A is the answer.

8 0
3 years ago
Read 2 more answers
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Answer:

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20-12

8

you have to substitute 5 in place of g and then solve

4 0
3 years ago
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neonofarm [45]

Answer:

Each marker costs $.40 or 40 cents

Step-by-step explanation:

Take the total cost and divide by the number of markers

$6.00 /15

.40

Each marker costs $.40 or 40 cents

7 0
4 years ago
Solve the inequality.c – 12 > –1
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C=11. 11 -12 = -1. You can't subtract a integer so you have.to add it's opposite so 11 + (-12) = -1. Hope it helps.
7 0
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