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mina [271]
3 years ago
15

How to figure it out

Mathematics
1 answer:
ollegr [7]3 years ago
4 0
Y = kx
72 = k*3
73/3 = k
24 = k

y = 24x

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PLEASE HELP , WILL GIVE A BRAINLY. What is the domain of the function?
mina [271]

Answer: I believe it is a. Sorry if I am incorrect

Step-by-step explanation:

Functions assign outputs to inputs. The domain of a function is the set of all possible inputs for the function. For example, the domain of f(x)=x² is all real numbers, and the domain of g(x)=1/x is all real numbers except for x=0.

6 0
2 years ago
A local high school held a two-day fundraiser selling lunches. The equations shown represent the amount of money the school coll
Mademuasel [1]

Amount of money collected in the 2-day fundraiser is represented by the following equations:

  • 12x + 4y = 152 .................. (i)
  • 32x + 12y = 420 .................. (ii)

where x is the cost of a chicken lunch and y is the cost of a vegetarian lunch

Multiplying (i) with 3 and subtracting it from (ii)

36x + 12y - (32x + 12y) = 456 - 420

⇒ 4x = 36

⇒ x = 9

Put value of x in (i)

⇒ 12 × 9 + 4y = 152

⇒ 108 + 4y = 152

⇒ 4y = 44

⇒ y = 11

Hence, cost of the vegetarian meal is 11.

7 0
3 years ago
Carrie had $60. as an allowance for the week. She spent 2/5 of it on snacks, and 1/4 on stickets and saved the remainder. How mu
anastassius [24]

Answer:

$ 21

Step-by-step explanation:

Money spent = (2/5) * 60 + (1/4) * 60

                      = 2*12 + 1*15

                      = 24 + 15

                      = $ 39

Money save = 60 - 39 = $ 21

3 0
2 years ago
Can someone help with this question?
ivann1987 [24]

You solve an expression for a variable if that variable sits alone on one side of the equation, and everything else is on the other side.

So, our goal is to leave h alone on the right hand side, and move everything else to the left.

So, we start with

V = \dfrac{1}{3}s^2h

We multiply both sides by 3:

3V = s^2h

We divide both sides by s^2

\dfrac{3V}{s^2} = h

To compute the required height, simply plug in the values:

\dfrac{3\cdot 400}{10^2} = \dfrac{3\cdot 400}{100} = 3\cdot 4 = 12

3 0
3 years ago
Read 2 more answers
The numbers x and y have a sum of 1 and a difference of 11.
spin [16.1K]
Sum means add
difference means subttract

x+y=1
x-y=11
add the 2 equations together
2x+0y=12
divide 2
x=6
subitute
6+y=1
subtract 6
y=-5

x=6
y=-5
7 0
3 years ago
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