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agasfer [191]
2 years ago
5

7. After boiling, the 18 liters of water was reduced to 7 liters. How many water was

Mathematics
1 answer:
e-lub [12.9K]2 years ago
4 0

Answer:

C

Step-by-step explanation:

Sorry if its wrong bro

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Find the slope of the line passing through the points (-2,-7) and (3,5).
Oduvanchick [21]

Answer:

12/5

Step-by-step explanation:

m= slope

m=Y2-Y1/X2-X1

Y2=5, Y1=-7, X2=3, X1=-2

Substitute into equation

m=5-(-7)/3-(-2)

m=5+7/3+2

m=12/5

slope is 12/5

5 0
3 years ago
Evaluate The Following Expression<br><br> −7 × 7 + 9 × −1 /−1 ​
UkoKoshka [18]

Answer:

-50+9x

Step-by-step explanation:

multiply the numbers                              -49+9x -1

calculate the difference(-49-1                   -50 + 9x

6 0
3 years ago
"What is Limit as x approaches 2h(x), if it exists?"
s2008m [1.1K]
I think it is 3 as a possible answer
4 0
3 years ago
Read 2 more answers
nadia started at 19.26 feet below sea level &amp; then changed her altitude by climbing a total of 5,437.8 feet up from her init
shusha [124]
The answer would be 5418.54 feet above sea level.
8 0
3 years ago
Read 2 more answers
Plz help me i’ll give like 50 points!
Alenkasestr [34]

Answer:

We will be using the Pythagorean theorem for the first 2 and SOH CAH TOA for the other 3.

a^2 + b^2 = c^2

sin(t) = b/c;  cos(t) = a/c;  tan(t) = b/a

#4)  a^2 + 9^2 = (3sqrt(10))^2                    #5  9^2 + 27^2 = c^2

       a^2 + 81 = 90                                             81 + 729 = c^2

       a^2 = 9                                                       810 = c^2

       a = 3                                                          9sqrt(10) = c

#6    27 + 3 = 30                                        #9  cos(90) = 8/c

                                                                         8/-0.45 = c

                                                                         | 17 | = c  [not the exact value]

#7  8^2 + b^2 = 17^2                                 #8  2^2 + 15^2 = c^2

      64 + b^2 = 289                                          4 + 225 = c^2

      b^2 = 225                                                  229 = c^2

      b = 15  [not the exact value]                     15.3 = c  [not the exact value]

Sorry if something doesn't make sense and felt kind of rushed. Feel free to comment down below my answer if you have any questions and I'll try to clarify it the best I can.

8 0
2 years ago
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