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AleksAgata [21]
4 years ago
12

2.) Which expression has a value of -4?

Mathematics
1 answer:
forsale [732]4 years ago
7 0
2.)a 3.)b 4.)a 5.)a
............
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Which mathematical concept did you use to find the number of gumballs that fit INSIDE the package?
Vlada [557]
The answer is Volume
5 0
3 years ago
There 3/4 of pie left, it 4 friends wanted to share the pie equally, how much each friend receive?
elena-14-01-66 [18.8K]
Answer: 3/16
3/4 divide 4 is:
3/4 times 1/4=
3/16 
4 0
3 years ago
Relationship B has a lesser rate than Relationship A. This graph represents Relationship A.Which equations could represent Relat
Black_prince [1.1K]
<h3>Answer:</h3>
  • y = x
  • y = (3/2)x
<h3>Explanation:</h3>

The rate shown in your graph is 3. (rise:run = 3:1) An equation with a lesser rate will have an x-coefficient that is less than 3. The x-coefficients in your answer choices appear to be ...

  • 1
  • 5
  • 4
  • 3/2

Of these values, only the first and last are less than 3.

3 0
3 years ago
Systems of equations <br> 2x+2y=16<br> 2x+6y=28
Sholpan [36]
2x+2y=16
<span>2x+6y=28

all you have to do is subtract to get rid of the 2x and solve for y

2x+2y = 16
-2x-6y = -28
---------------------------
0 -4y = -12
y = 3

now we got y we can plug in or do the systems of equation again and find x.  lets do systems of equations again. 

</span>2x+2y=16
<span>2x+6y=28
</span><span>
this time i am going to multiple the top by -3  and then add the equations hopefully it is clear why I multiple by -3 
</span><span>
-3(2x+2y = 16)
2x +6y = 28 

-6x - 6y = -48
</span>2x +6y = 28 
------------------------
-4x + 0y = -20

x = 5 
4 0
4 years ago
Read 2 more answers
The exponential model A=429e 0.024t describes the​ population, A, of a country in​ millions, t years after 2003. Use the model t
d1i1m1o1n [39]

Answer:

Year 2,590

Step-by-step explanation:

In this question, we are asked to calculate the year at which the population of a country will be a certain amount given the exponential equation through which the equation proceeds.

Let’s rewrite the exponential function;

A = 429e^0.024t

Now here, our A is 559,000,000

t is unknown

Let’s substitute this value of A in the exponential equation;

559,000,000 = 429 * e^0.024t

559,000,000/429 = e^0.024t

1,303,030.303030303 = e^0.024t

Let’s take the logarithm of both sides to base e, we have;

ln(1,303,030.303030303) = ln(e^0.024t)

14.08 = 0.024t

t = 14.08/0.024

t = 587 years

Now, we add this to year 2003 and this gives year 2590

7 0
4 years ago
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