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jolli1 [7]
3 years ago
14

3. Solve for m:

Mathematics
2 answers:
torisob [31]3 years ago
7 0

The answer has to be A.

___________________

Elena L [17]3 years ago
7 0

Answer:

c

Step-by-step explanation:

-7m+3=-7m+m+4

m=3-4

m=-1

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A country's population in 1994 was 140 million. In 1998 it was 146 million. Estimate the population in 2011 using the exponentia
serious [3.7K]

Answer:

Estimated To Be 167 Million

Step-by-step explanation:

The exponential growth formula is given by

where: P is the population of the country, t years after the initial year (i.e. in this case, 1994).  is the initial population of the country (i.e. the population of the country in 1994).

r is the growth rate of the population and

t s the number of years after the initial year.

We obtain the value of r by comparing the growth between 1994 and 1998.

Here: P = 146, , and t = 4 years

Thus To estimate the population of the country in 2011, we note that 2011 is 17 years after 1994.

Thus, the population of the country in 2011 can be estimated to be

million

Therefore, the population of the country in 2011 can be estimated to be 167 million to the nearest million

7 0
3 years ago
Someone help me with this ..
Delicious77 [7]
3x+12=4x-15\\
x=27\\\\
\angle ABC=2(3x+12)=2(3\cdot27+12)=2(81+12)=2\cdot93=186^{\circ}
6 0
3 years ago
when graphing the inequality on a number line, is x< 3 a segment, a ray or rays, a point, or a line
Paul [167]

Answer:

A ray

Step-by-step explanation:

There is an open circle at x = 3, and the graph goes infinitely left.

6 0
2 years ago
WILL GIVE BRAINLIST Examine the diagram and information to answer the question. A circle in the coordinate plane has a radius of
DanielleElmas [232]

Answer:  To find the equation of the circle, it is not necessary to find the legs of the triangle first.  

The length of the legs (equal) is 3√2 or  4.243

Step-by-step explanation:

The equation for a circle is similar to the Pythagorean Theorem

       a²   +   b²     = c²

( x - h )² + ( y - k )² = r², where ( h, k ) is the center and r is the radius.

The a and b terms are  changed to allow insertion of  h and k to locate the center of the circle on a Cartesian plane.

You can get the information needed from

Given: radius =6 and  "a center at the point (3,2)"

Substitute  3 for h and  2 for k  and  6 for r

( x - 3 )² + ( y - 2 )² = 6²    This is the equation of the circle .

From the diagram, it appears that x-3 = y-2

So, in the equation, we can substitute 2(x²) = 36

x² = 36/2 .   x² = 18

√x² = √18 = √9(2)

x = 3√2   =4.2426

the length of the horizontal leg is 4.243

Substitute for x in to find  x+3  the coordinate (x,2)

the coordinate x, 2 is  (7.24, 2)

Substitute for y in to find  y+2, the length of the vertical leg is 4.243.

y + 2 = 6.243  

So the coordinate (x,y) on the circle is (7.24, 6.24)

This does not account for Step 1 and  Step 2 in the question, matching expressions or equations to the steps. I hope you will be able to sort that our with the information here.

7 0
3 years ago
A soccer field is a rectangle 90 meters wide and 120 meters long. The coach asks the players to run from one corner to the corne
prohojiy [21]

Answer:

150 meters

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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