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tatiyna
3 years ago
12

At 4 p.m., the temperature started to change drastically. Each hour, for three hours, the temperature decreased by 7°F. Which wo

rd in the problem indicates that a negative integer should be used? change each decreased drastically
Mathematics
1 answer:
nasty-shy [4]3 years ago
6 0

Answer:

Decreased.

Step-by-step explanation:

Decrease means to go down or take away, therefore in a mathematical equation, it would be represented by a negative integer.

Change could be positive or negative

each is a singular description word

and drastically is just describing how fast.

have a good day!

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Plz help me out xx tysm
stiv31 [10]

Answer:

see explanation

Step-by-step explanation:

let the number be x , then

\frac{1}{2} x = 44.3 ← is the equation

6 0
3 years ago
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Which two operations are needed to write the expression that represents "four times the difference of a number and
Ket [755]
It would be multiplication and subtraction
4(x-3)
four times
( the difference of a number “x” and three)
difference means subtraction every time.
8 0
3 years ago
Read 2 more answers
The question is above
galina1969 [7]
For 11, we can subtract x from both sides for the first equation to get y=8-x, making the slope -1 for both equations and therefore making it parallel.

For 13, we can solve for y in the first equation by subtracting 14 from both sides and therefore getting 2x-14=y. For the next one, we can subtract 4x from both sides to get 10-4x=2y. Dividing both sides by 2, we get 10-2x=y. Since for the equations to be parallel they must be the same and for perpendicular they must be -1/(slope), this fits neither.

Using those two explanations, I implore you to solve the other two on your own!
3 0
3 years ago
What is a situation in which positive and negative numbers are used to describe values that have opposite meanings. What does ze
dangina [55]

Answer:

To provide a situation of 1 and O, here is a situation.

Step-by-step explanation:

The acceleration would be 1.  

If the acceleration is 10 m/s, the object will gain more speed.

On the other hand, if the acceleration is -10m/s, then the object will lose speed.

In the case of 1, the object gained more speed, in the case of 0, the object will lose speed.  

<u><em>hope this helps if not sorry</em></u>

7 0
2 years ago
If $8500 is invested at 12.7% compounded continuously, the future value S at any time t (in years) is given by the following for
Serjik [45]

Answer:

Given formula is :

S = 8500e^{0.127t}

We have p = 8500

r = 12.7% or 0.127

(a) when t = 18 months or \frac{18}{12}=1.5 years

S = 8500e^{0.127(1.5)}

=8500e^{0.1905}

=e^{0.1905}= 1.20985

S = $10283.73

(b) Investment doubles means S = 8500\times2=17000

17000=8500e^{0.127t}

\frac{17000}{8500}=e^{0.127t}

=> 2=e^{0.127t}

Taking log on both sides

ln(2)=ln(e^{0.127t})

We get t = 5.45 years

8 0
4 years ago
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