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sashaice [31]
3 years ago
15

At 3:00 the temperature in Alaska began dropping at a constant rate. The equation y = –5x – 10 can be used to represent this sit

uation, where y is the temperature below zero and x is the time in hours the temperature has been falling.
Which statement best describes the temperature at 3:00, given this situation?

A. From a starting temperature of 10 degrees below zero, the temperature is rising 5 degrees per hour.

B. From a starting temperature of 10 degrees below zero, the temperature is falling 5 degrees per hour.



C. From a starting temperature of 5 degrees below zero, the temperature is rising 10 degrees per hour.

D. From a starting temperature of 5 degrees below zero, the temperature is falling 10 degrees per hour.
Mathematics
1 answer:
alina1380 [7]3 years ago
6 0

Answer:

C

Step-by-step explanation:

Hope this helps <3

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zloy xaker [14]

Answer:

D. Addition Property of Equality; Subtraction Property of Equality

Step-by-step explanation:

Answer:

Option C and B

Step-by-step explanation:

In the question step C is 23 + 11 = -11 +(-4x) + 11

which is in the form of a + b = c + a

In step C we have added 11 on both the sides to eliminate 11 from right side of the equation.

property which signifies this step is

Addition property of equality :

In step 'f' expression is

\frac{34}{-4}=\frac{-4x}{-4}

In this step equation has been divided by -4 on both the sides to eliminate 4 from the numerator.

In this step division property of equality has been applied.

Therefore Option C and B are the correct options.

5 0
2 years ago
Graph the equation 2x+8y=-32
lilavasa [31]
Find x and y intercept and plot
set x to zero and find y
set y to zero and find x
tada, 2 points

if x=0, then y=-4
if y=0, then x=-16
we havee the points
(0,-4) and (-16,0)

or
y=-1/4x-4
7 0
3 years ago
Read 2 more answers
a deck of cards contains red cards number 23 blue cards numbered 1 2 3 4 and green cards numbered one to if a single card is pic
svp [43]

Correct question:

A deck of cards contains RED cards numbered 1,2,3, BLUE cards numbered 1,2,3,4, and GREEN cards numbered 1,2. If a single card is picked at random, what is the probability that the card is BLUE OR has an ODD number?

Answer: 2/13

Step-by-step explanation:

Number of red cards = 3 (1,2,3)

Number of blue cards = 4 (1, 2, 3, 4)

Number of green cards = 2 (1,2)

Total number of cards in a deck = 52

Probability of picking a blue card OR has an odd number

P(picking a blue card ) = required outcome / possible outcome

P( picking a blue card ) = 4/52 = 1/13

P( odd number card ) = 6/52 = 3/26

P(blue and odd) = 2/52 = 1/26

P(picking a blue card or an odd number )

P(picking a blue ) U P(picking an odd number)

P(picking a blue) + (P(picking an odd) - P(picking a blue odd)

1/13 + 3/26 - 1/26= (2 + 3 - 1)/26 = 4/26 = 2/13

6 0
3 years ago
-2x - 1 is what polynomial
KiRa [710]
It’s a binomial cause there’s two terms
6 0
3 years ago
Please help giving 20 points thank you
Vladimir [108]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
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