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aleksley [76]
3 years ago
6

Overnight the temperature dropped 1.3 degrees every hour how many hours did it take the temperature to drop 7.8 degrees

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
7 0
6 and 1/2 hours in total. divide 7.8 by 1.3
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ILL GIVE BRAINLIEST!!!!! <br> write a subtraction number line model. -10 -8 -6 -4 -2 0 2 4 6 8 10
velikii [3]

Answer:

blue line 0-(3)=-3

Red line -3-(6)=-9

8 0
2 years ago
Jorge received a 3.1% increase in his pay at work. If he now makes $18.00 per hour, how much was he making before his raise? (Ro
g100num [7]
18 times .031 is .558
18 dollars minus .558 cents is 17.442
Answer is he was maki 17.442 dollars before the increase
6 0
2 years ago
(k^2-6k^4)-(3k^4+k^2+2)
jeka57 [31]

Step-by-step explanation:

Vamos simplificar passo a passo.

k2-6k4-(3k4+k2+2)

Distribua o sinal negativo:

=k2-6k4+-1(3k4+k2+2)

=k2+-6k4+-1(3k4)+-1k2+(-1)(2)

=k2+-6k4+-3k4+-k2+-2

Combine os termos semelhantes:

=k2+-6k4+-3k4+-k2+-2

=(-6k4+-3k4)+(k2+-k2)+(-2)

=-9k4+-2

Responda:

=-9k4-2

7 0
3 years ago
In Image:
iris [78.8K]

Answer:

The answer to your question is          x ≠ -10   x ≠ 2     x ≠ -2

Solution                                                \frac{(x- 8)(x + 2)}{(x + 8)(x - 2)}      

Step-by-step explanation:

Process

1.- Factor all the polynomials

              \frac{x^{2} -3x - 40}{x^{2} + 8x - 20} / \frac{x^{2}+ 13x + 40}{x^{2}+ 12x + 20} = \frac{(x-8)(x + 5)}{(x + 10)(x- 2)} / \frac{(x+ 8)(x + 5)}{(x + 10)(x + 2)}

2.- Invert the second term

                                             = \frac{(x- 8)(x + 5)}{(x +10)(x - 2)}  \frac{(x+ 10)(x + 2)}{(x + 8)(x +5)}

3.- Simplify

                                              = \frac{(x- 8)(x + 2)}{(x + 8)(x - 2)}

4.- x must be different to

            x ≠ -10   x ≠ 2     x ≠ -2

This values are from the factor expressions and then equal to zero.

8 0
2 years ago
What is the volume of a can if the: Radius: 3 inches Height: 2 inches
Novosadov [1.4K]
The volume of the can is 56.52 in³.

To find the volume of the of a cylinder (the shape of a can) you would use: \pir²h. 

\pi=3.14
r²=3² (radius squared)
h=2 (height)

3.14·3²·2
28.26·2
56.52
4 0
3 years ago
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