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zhenek [66]
3 years ago
15

Have you ever been swimming in a pool, and your eyes were red when you get out this means the chemicals in the pool were not adj

usted correctly more specifically the measurement of the pools pH was not quite right
Mathematics
1 answer:
kherson [118]3 years ago
8 0

I like your words, Mr. Magicman

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Graph f(x) = 5x - 45
kakasveta [241]
Y= 5x-45

On your graph go by 5's
On the y go down 9 which going by 5 makes it -45
Then go up 5 and one to the right and plot points keep going. 25/5=5
8 0
3 years ago
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Given the triangle below, which of the following equations correctly represents the relationship between a, b, and c?
maxonik [38]

Answer:

C. c^2=a^2+b^2-2abcos(90°)

Step-by-step explanation:

This is the law of cosine.

7 0
3 years ago
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Amir stands on a balcony and throws a ball to his dog, who is at ground level.
Bumek [7]

Answer:

16 meters

Step-by-step explanation:

The height function is given by:

h(x)=-(x+1)(x-7)\\h(x)=-(x^2+x-7x-7)\\h(x)=-x^2+6x+7

The value of x, in seconds, for which the derivate of the height function is zero, is the time at which the maximum height occurs:

\frac{dh(x)}{dx}= h'(x)=-2x+6=0\\x=3

For x = 3 seconds, the height is:

h(3)=-(3^2)+6*3+7\\h(3)=16\ m

The maximum height that the ball will reach is 16 meters.

6 0
3 years ago
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Need help ASAP pls pls!!!!!!
Jobisdone [24]

Answer:

60

Step-by-step explanation:

the total games that Sara played =

14+18+28 = 60

4 0
3 years ago
Dan bought one package if blackberries for 3 dollars/euros. How many packages can Darryl buy if he has 15 dollars/euros?​
myrzilka [38]

Answer:

Dan can buy 5 bags for 15 dollars

Step-by-step explanation:

divide 15 and 3 it will equal 5

6 0
3 years ago
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