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3 years ago

What is the equation of the following graph?

Mathematics

1 answer:

astraxan [27]3 years ago

3 0

This looks like the base graph of tangent x that is shifted 3 units up.

So the graph is simply:

y = tanx + 3

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.If x2 + kx+ 6 = (x + 2) (x + 3) for all x, then the value of k is

Verdich [7]

Answer:

k = 5

Step-by-step explanation:

$(x + 2)(x + 3) = {x}^{2} + 5x + 6$

Now comparing left hand side & right hand side ,

${x}^{2} + kx + 6 = {x}^{2} + 5x + 6$

Cancelling x^2 & 6 from both left hand side & right hand side ,

kx = 5x

=> k = 5

3 0

3 years ago

A total of 765 tickets were sold for the school play. They were either adults or students tickets. There were 65 more student ti

Brrunno [24]

Answer: 350 adult tickets

Step-by-step explanation:

(omg I remember this question!)

a stands for the number of adult tickets sold

student tickets : a + 65

the equation for the prob:

765 = a + (a + 65)

solve:

combine 'like terms'

1.) 765 = a + a + 65

2.) 765 = 2a + 65

- 65 - 65

700= 2a

divide by 2

700/2 = 2a/2

(700/2 = 350)

(the "2" in 2a is cancelled out by the other 2)

350 = a

7 0

3 years ago

15 yard =how many feet

yaroslaw [1]

Each yard is 3 feet, so
15•3= 45 feet

3 0

3 years ago

Read 2 more answers

a table that originally cost $196 is on sale for $160.00. What is the percent of decrease, rounded to the nearest tenth?

AfilCa [17]

Hmmm.. I solved it and got 82%. I may be wrong, but try it out.

8 0

3 years ago

Read 2 more answers

An epidemiological study of the spread of a certain influenza strain that hit a small school population found that the total num

OverLord2011 [107]

Answer:

At the 3rd day 160 students caught flu.

Step-by-step explanation:

Consider the provided model P = − t ² + 13t + 130 where 1 ≤ t ≤ 6

The total number of students is represents by P.

We need to find the day that 160 students had the flu.

Substitute the value of P=160 in above formula.

$160 = -t^2 + 13t + 130$

$160+t^2 - 13t - 130=0$

$t^2 - 13t +30=0$

$t^2 - 10t-3t +30=0$

$t(t-10)-3(t-10)=0$

$(t-10)(t-3)=0$

Hence the value of t=10 or t=3

But it is given that 1 ≤ t ≤ 6, Therefore select t=3

Hence, at the 3rd day 160 students caught flu.

8 0

3 years ago