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Nuetrik [128]
3 years ago
9

Plz help me really really fast this is my last question to work on

Mathematics
1 answer:
Artyom0805 [142]3 years ago
6 0

Answer:

$5

Step-by-step explanation:

25 = 4e + 5

20 = 4e

5 = e

reach eraser costs $5.

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A rock climber descended 50 feet to a new elevation of 32 feet. What was her initial elevation, e?
alina1380 [7]

Answer:

82 feet

Step-by-step explanation:

50 feet + 32 feet = 82 feet

6 0
3 years ago
-y&gt;2x solving linear inequalities<br><img src="https://tex.z-dn.net/?f=%20-%20y%20%20%5Cgeqslant%202x%20%20%20%20" id="TexFor
topjm [15]
Im sorry i just wanna get points

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3 years ago
Solve the system below.<br><br> options: <br> a. (1,-4)<br> b. (-4,1)<br> c. (-1,5)<br> d. (-1,4)
Flura [38]

Answer:

1 and - 4is the correct answer

3 0
2 years ago
7x-3y=-7 slope of line perpendicular
kap26 [50]

Answer: -3/7

Step-by-step explanation:

The first step is to find the slope of the line

y = mx + c where m is the slope of the line
Rearrange the equation and we get

3y = 7x + 7
y = 7x/3 + 7/3

So the slope of the line 7x - 3y = -7 is 7/3

There is another rule that states: The product of the slopes of two lines perpendicular to each other is -1

So, the slope of the line perpendicular to 7x - 3y = -7 is -1/(7/3) = -3/7

3 0
2 years ago
The yield from silver queen was compared to the yield of country gentlemen. Note: Differences were taken by taking Silver Queen
Mumz [18]

Answer:

-0.223 \leq \mu_{sylver} -\mu_{Country} \leq 0.988

We can conclude that the difference between the two means are between -0.223 and 0.988.

And for this case the confidence interval contains the value of 0 so then we have enough evidence to conclude that we don't have significant difference between the means of Silver Queen and the Country Gentlemen.

Step-by-step explanation:

For this case we have the following interval for the difference between Silver Queen - Country Gentlemen:

-0.223 \leq \mu_{sylver} -\mu_{Country} \leq 0.988

We can conclude that the difference between the two means are between -0.223 and 0.988.

And for this case the confidence interval contains the value of 0 so then we have enough evidence to conclude that we don't have significant difference between the means of Silver Queen and the Country Gentlemen.

6 0
3 years ago
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