2 years ago

Daryl has been on a diet for 45 days and is of the way to the end of the diet program. How long is the program?

Mathematics

1 answer:

zhenek [66]2 years ago

4 0

Answer:

135

Step-by-step explanation:

135/45 = 3

this was the only whole number i got

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I need help bruv. For the function y=x^2 - 5x - 6 .

lara [203]

Answer:

a. Vertex = (2.5,-12.25)

b. y-intercept = (0,-6)

c. x-intercept = (6,0) ; (-1,0)

Step-by-step explanation:

Your equation is written as:

$y = ax^{2} + bx +c$

The easiest way to find the vertex is writing the equation this way:

$y = a(x-h)^{2}+k$

Being the vertex (h,k)

So first complete the square

$y = x^{2} -5x -6 \\y = x^{2} - 2(2.5x) -6 \\y = x^{2} - 2(2.5x) +2.5^{2} - 2.5^{2} -6 \\y = (x^{2} -2(2.5x) + 2.5^{2}) -6.25 - 6 \\y = (x-2.5)^{2} -12.25$

Vertex : (2.5,-12.25)

To find the y-intercept you need to replace the equation when x = 0 and get y

$y = (0)^{2} - 5(0) -6\\y = - 6$

To find the x-intercept you need to replace the equation when y = 0 and get x

$0 = x^{2} - 5x -6 \\0 = (x-6)(x+1)\\x = 6\\x = -1$

4 0

3 years ago

What's the difference between using f(2) and f(x)=2?

BabaBlast [244]

F(2) means that you are plugging in 2 for x, while f(x)=2 means that the equation equals 2 (y=2) at a certain x value.

7 0

2 years ago

Kelly spends $59.00 on items for a party. She buys thank you cards that cost $5.00 (including tax). She also buys gift bags that

Brrunno [24]

Answer:

she bought 5 cards, which equals to $54

and then she bought 1 card

Step-by-step explanation:

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3 years ago

shut up bought a pen on sale. she saved 17% of the original price of $29. about how much money did she save? a $1 b $5 c $10 or

vredina [299]

Answer:

$4.93 cents so round it to $5.00

Step-by-step explanation:

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2 years ago

Read 2 more answers

Need help <br> Please<br> Thank u

Volgvan

Answer:

i think its b

Step-by-step explanation:

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2 years ago