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2 years ago

Does a machine that takes one quarter at a time into its input and produces two gumballs in its output act like a function?

Mathematics

1 answer:

ad-work [718]2 years ago

7 0

Yes, because for a function the output should always be the same for the same input.

So when you input 1 quarter you always get 2 gumballs. ( the number of gumballs is always 2 and doesn't change).

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Solve the quadratic equation by factoring. 9x^2+24x+20=4

const2013 [10]

D. -4/3

Let's solve your equation step-by-step.

9x2+24x+20=4

Step 1: Subtract 4 from both sides.

9x2+24x+20−4=4−4

9x2+24x+16=0

Step 2: Factor left side of equation.

(3x+4)(3x+4)=0

Step 3: Set factors equal to 0.

3x+4=0 or 3x+4=0

x= −4 /3

Hope This helps

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2 years ago

Please help me asap..

Andreyy89

Answer:

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Step-by-step explanation:

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3 years ago

Netta bought n shirts from the Walmart. Walmart charges $9 per shirt. Later the same day, netta bought n more shirts from amazon

Ipatiy [6.2K]

Answer:

$T(n)= 17n + 5$

Step-by-step explanation:

We are given the following in the question:

Number of shirts bought from Walmart = n

Cost of one shirt at Walmart = $9 per shirt

Total cost of shirt at Walmart =

$=\text{Number of shirts}\times \text{unit cost}\\=9n$

Number of shirts bought from Amazon = n

Cost of one shirt at Amazon = $8 per shirt

Shipping fee for entire order = $5

Total cost of shirt at Amazon =

$=\text{Shipping fee} + (\text{Number of shirts}\times \text{unit cost})\\=5 + 8n$

Total amount spent by Netta on shirts in one day =

Total cost of shirt at Walmart + Total cost of shirt at Amazon

$T(n)= (9n) + (5+8n)\\T(n)=9n + 8n + 5\\T(n)=17n + 5$

is the required expression where T(n) is the total cost and n is the number of shirts purchased at Walmart as well as Amazon.

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3 years ago

Prove that theta=l/r radian

Tanya [424]

What are you asking
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3 0

3 years ago

Read 2 more answers

If x² - y² = 55, and x - y = 11, then y = a. 8 b. 5 c. 3 d. -8 e. -3

irina1246 [14]

X^2-y^2=55
this means that
(x+y)(x-y)=55
we know that x-y=11 so we can write
(x+y)(11)=55
x+y=55/11 we divide by 11 and we obtain
x+y=5

x-y=11 this means
x=y+11 we replace in the other equation (x+y=5)

y+11+y=5
2y=5-11
2y=-6
y=-3
and you find out that also
x=8

7 0

3 years ago