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Yakvenalex [24]
4 years ago
12

Easy i guess but i don’t understand

Mathematics
1 answer:
s344n2d4d5 [400]4 years ago
4 0

Answer:

y = 1500 - 200x

Step-by-step explanation:

y would be the amount of water remaining in the pool

x would be the amount of hours that have passed.

So the only change I made was to convert 400 every 2 hrs to 200 every hour.

makes sense?

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Katie has 4 grape candies and 3 cherry candies. The ratio of the mumber of grape candies to the total number of candies is what?
dimaraw [331]

Answer 4:7

Step-by-step explanation:

6 0
3 years ago
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Prove cos a = 5/13 pls solve it and no link pls..........​
Scorpion4ik [409]

<u>Answer</u> : The demonstration is below :)

Step-by-step explanation :

<u>We use Pythagoras' </u><u>theorem </u><u>:</u>

  • In the triangle ABC we have :

AB² = AC² - BC² = 15² - 9² = 144 = 12²

  • In the triangle ABD we have :

DB² = AD² - AB² = 13² - 12² = 5²

cos(a) = BD/AD = 5/13

3 0
2 years ago
B. Does a12 x a4 = a8 x a8 for all values of a? Explain.
sweet-ann [11.9K]

Answer:

We can use the Laws of Exponent to rewrite both sides of the equation:

Let a¹² x a⁴ = a⁸ x a⁸

⇒        a¹²⁺⁴ = a⁸⁺⁸

             a¹⁶ = a¹⁶  ✅

⇒  a¹² x a⁴ = a⁸ x a⁸ is true for all values of a.

Explanation:

The equation a¹² x a⁴ = a⁸ x a⁸ is true because, on both the RHS and LHS of the equation, both terms in 'a' have exponents that when added (Law of Multiplication of Exponents) are equal to each other, i.e. 12+4 = 8 + 8.

3 0
3 years ago
Hhhhhhhhhhhhhhhhjjjjjj
kogti [31]

Answer:

8.75 per hour

Step-by-step explanation:

Since it is a linear function we can use the slope formula

m = ( y2-y1)/(x2-x1)

  = ( 370-20)/(40-0)

  =350/40

 = 8.75

7 0
3 years ago
3 a + 4 k = − 6 , for a
KatRina [158]
The link down below
7 0
3 years ago
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