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Sveta_85 [38]
2 years ago
10

PLEASE HELPPPP ILL MARK BRAINLIEST

Mathematics
1 answer:
NNADVOKAT [17]2 years ago
7 0
Coordinate 1 is : (0,3)
Coordinate 2 is : (-4,-2)
Coordinate 3 is : (-1,-5)
Coordinate 4 is (4,0)
Hope this helps!
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Find the exponential function that satisfies the given conditions:
Nady [450]

Answer:

f(t) = 66·0.995^t

Step-by-step explanation:

You can try t=0 and t=1 in each of the formulas to see which one gives values of 66 and 0.5% less than 66, or 65.67.

The first function has an initial value of 0.5, so is not correct.

The second function gives f(1) = 99, so is not correct.

The third function gives f(1) = 65.67, so is correct.

The fourth function gives f(1) = 66.33, so is not correct.

_____

You can realize that the multiplier will be 0.5% less than 100%, so will be 99.5% = 0.995. This number shows up only in the third selection.

4 0
3 years ago
Is the following definition of perpendicular reversible? Two lines that intersect at right angles are perpendicular.
lutik1710 [3]
If I remember correctly perpendicular means right angle so I do not think it could be reversed.
7 0
3 years ago
Someone please help me with these 2 problems :(
k0ka [10]
If the discriminant b^2-4ac is 0, then you have TWO EQUAL, REAL ROOTS.

If you're given the x-intercepts, you can determine the factors of the polynomial as follows:   Take -3, change the sign and write (x+3).  Take 5, change the sign and write (x-5).  Then the eq'n of the parabola is

f(x) = (x+3)(x-5) = x^2 - 2x -15, in which a=1, b = -2 and c= -15.

You can find the x-coordinate of the vertex, which is also the equation of the axis of symmetry, using

x= -b / (2a).    Here, x = -(-2) / (2[1]), or  x = 1

Find the y-coordinate by subbing 1 for x in the equation above:

y = (1)^2 - 2(1) - 15  =  1 - 2 - 15  =  -16

The vertex is at (1, -16) and the equation of the axis of symm. is x = 1.
7 0
3 years ago
your cell phone plans costs$34.99 per month plus $0.11 for each text message you send or receive you have at most $40 to spend o
KIM [24]

Answer:

45

Step-by-step explanation:

Subtract $34.99 from $40 to figure out how much money you have left for text messages.  

You have $5.01 left and you divide that by $0.11 (cost for each text).  Your answer is 45.5454.  Since you can’t send 1/2 a text, your answer is 45.

5 0
3 years ago
What is 15 X 16, i need to know for my math, and i dont know.
brilliants [131]
<h3>Answer: <em>240</em></h3>

Step-by-step explanation: <em><u>15 x 16= 240</u></em>

6 0
3 years ago
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