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Leokris [45]
2 years ago
9

Help khan academy!!!!

Mathematics
2 answers:
Anastaziya [24]2 years ago
6 0

Answer:

I have khan academy

what grade is this

and subject

Svetradugi [14.3K]2 years ago
5 0
She earns $1.2 per chore
She has $3
She wants to earn 13.50

Therefore, the inequality

1.2c + 3 is greater than or equal to 13.50
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Which ordered pair is a solution of y &gt; 5x-2?<br><br> (3,13)<br> (1,5)<br> (2,7)<br> (4,4)
zysi [14]

lol

Step-by-step explanation:

4 0
3 years ago
Explaining the Process
gladu [14]

Answer:

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3 0
2 years ago
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Someone please help!!
rewona [7]

Answer:

Option 2: (1,0) is the correct answer

Step-by-step explanation:

Given inequality is:

y>-5x+3

In order to find which point is solution to the given inequality we'll put the point one by one in the inequality. If the point satisfies the inequality, then the point is the solution of the inequality.

Putting (0,3) in inequality

3 > -5(0)+3\\3>0+3\\3>3

Putting (1,0) in inequality

0>-5(1)+3\\0>-5+3\\0>-2

Putting (-3,1) in inequality

1 > -5(-3)+1\\1> 15+1\\1>16

Putting (-1,-2) in inequality

-2>-5(-1)+3\\-2>5+3\\-2>8

The inequality is true for (1,0)

Hence,

Option 2: (1,0) is the correct answer

4 0
3 years ago
In a fast food study a researcher finds that mean sodium content of 32 Wendy's fish sandwiches is 1080 milligrams with a standar
KiRa [710]

Answer:

Since 95% confidence interval contains 0 we conclude at 95% confidence level that the two means are equal.

Step-by-step explanation:

Given that in a  fast food study a researcher finds that mean sodium content of 32 Wendy's fish sandwiches is 1080 milligrams with a standard deviation of 75 milligrams. The mean sodium content of 39 Long John Silver's fish sandwiches is 1120 milligrams with a standard deviation of 100 milligrams

H0: The two means are equal

Ha: The two means are not equal

(Two tailed test at 5% level)

Variable A Variable B

Mean 1080.00 1120.00

SD 75.00 100.00

SEM 13.26 16.01

N 32 39

95% CI: -82.65 to 2.65

Since 95% confidence interval contains 0 we conclude at 95% confidence level that the two means are equal.

7 0
2 years ago
5x+8-7x=-4x+1 How many solutions does this have? A)no solutions B)exactly one solution C)infinitely many solutions
koban [17]

Answer:

C)infinitely many solutions

Step-by-step explanation:

5x+8-7x=-4x+1\\-2x+8=-4x+1\\2x+8=1\\2x=-7\\x=-3.5

4 0
2 years ago
Read 2 more answers
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