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liraira [26]
3 years ago
8

Kacey was draining a pool that was 12 feet deep. She started draining the pool at 7am. By 9am, the water level was 8 feet. Write

an equation for the depth of the pool in relation to the time since 7am. Use x for the independent variable and y for the dependent variable. Write your answer in slope-intercept form. Do not use spaces in your answer.
Mathematics
1 answer:
kvasek [131]3 years ago
6 0
If its yx 12y*7x is the form but if xy 7x+12y 

hope thus helps

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Use the rules of inference to prove the conclusion r given (all 1,2,3 and 4) the four premises listed below. Write your solution
aniked [119]

Answer:

attached below

Step-by-step explanation:

Applying the rule of logical equivalences

attached below  is a detailed solution ( written as a numbered sequence of statements )

3 0
2 years ago
Whitch three capital letters have rotational symmetry but do not have line symmetry
deff fn [24]
First you want to figure out what exactly it is you are looking for. We are looking for "capital letters that have rotational symmetry but do not have line symmetry"

So:
1. Must have rotational symmetry.
This means that if we rotate the capital letter 180 deg, either clockwise or counterclockwise, it will still look the same

2. Must not have line symmetry.
If an object has line symmetry, it means that if you draw a line down the middle (in any way), it will be symmetrical on both sides. We need capital letters that do not fit that condition. 

Now we look at all capital letters. 
We find that H, I, N,O, S, X, and Z are all rotationally symmetrical. Think about it. If you rotate them, they still look the same. 

But, we have to make sure they do not have line symmetry. If we draw a line right down the middle of H, I, O and X (**note, the have multiple lines of symmetry), they are symmetrical on both sides of the line. 

Now we are left with N, S, and Z
4 0
3 years ago
Read 2 more answers
Suppose that a jewelry store tracked the amount of emeralds they sold each week to more accurately estimate how many emeralds to
Ratling [72]

Answer: point estimate = 3.88

Margin of error = 0.63

Step-by-step explanation:

Confidence interval is written in the form,

(Point estimate - margin of error, Point estimate + margin of error)

The sample mean, x is the point estimate for the population mean. Let m represent the margin of error. Since the confidence interval is given as (3.25 , 4.51), it means that

x - m = 3.25

x + m = 4.51

Adding both equations, it becomes

2x = 7.76

x = 7.76/2

x = 3.88

Substituting x = 3.88 into x + m = 4.51, it becomes

3.88 + m = 4.51

m = 4.51 - 3.88

m = 0.63

8 0
3 years ago
Help me ASAP plsssssssssssssssssssssssssssssssssss
SCORPION-xisa [38]
The answer is 7 because it goes 10th 100th and the thirty one is thousands
4 0
3 years ago
Maria brought home a sandwich that was 6 1/8 feet long to share with 4 members of her family. If each person, including Maria, a
mamaluj [8]
There are 5 people. Each ate the same amount. So it is 1/5 of the sandwich. 6.125/5=1.225 feet
6 0
3 years ago
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