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faltersainse [42]
2 years ago
9

NEED HELP ASAP PLS DONT SKIP GIVING BRAINLIEST .​

Mathematics
1 answer:
Vanyuwa [196]2 years ago
8 0

Answer:15 times

Step-by-step explanation:

For the 3 batches it is 3 x 5/4 (5/4 is how much each batch costs)=15/4

And you must divide 15/4 by 1/4 or multiply it by 4 crossing out the denominator giving you your answer 15

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What is the final answer?
MakcuM [25]
<h3>Answer:  42</h3>

Explanation:

We have y = -0.9x^2 + 76x - 250 which is in the form y = ax^2+bx+c

where,

  • a = -0.9
  • b = 76
  • c = -250

The vertex (h,k) is when the profit is maxed out.

h = -b/(2a)

h = -76/(2(-0.9))

h = 42.222 approximately

Let's plug in x values around x = 42

Try x = 41

y = -0.9x^2 + 76x - 250

y = -0.9(41)^2 + 76(41) - 250

y = 1353.10

Now try x = 42

y = -0.9x^2 + 76x - 250

y = -0.9(42)^2 + 76(42) - 250

y = 1354.4

Now try x = 43

y = -0.9x^2 + 76x - 250

y = -0.9(43)^2 + 76(43) - 250

y = 1353.9

We see that the largest profit happens when x = 42.

3 0
2 years ago
3. The stem-and-leaf plot shows the cost of lamps at a department store.
77julia77 [94]

Answer:

(a) What is the median cost?
12-78

(b) Is there a mode? If so, what is it?

No there isn't

(c) What is the difference between the most expensive and least expensive lamps?

12,75-78

(d) How many lamps cost more than $20 but less than $40?

5

(e) What is the ratio of lamps that cost less than $40 to lamps that cost more than $40? Write the ratio in the simplest form.

{for less} - (12,49)   {for more} - (49,78)

Step-by-step explanation:

hope I helped if it's wrong tell me

~Ally

3 0
1 year ago
Determine whether the source given below has the potential to create a bias in a statistical study. A certain medical organizati
Solnce55 [7]
The answer is C. Hope this helps
7 0
3 years ago
WILL MARK BRAINLIST IF HELPSED
Natali [406]
When x = 0  y = a(b)^x = a   which is the y intercept
so as the y-intercept = 3 a must be = 3.
3 0
2 years ago
Find the indicated functional value for the floor function: f(-3/2)
alekssr [168]

Answer:

find the indicated functional value for the floor function: f(-3/2)

B. 0

Step-by-step explanation:

hope it helped.

° ° °

6 0
3 years ago
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