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djyliett [7]
2 years ago
9

We know that Martin is buying some apples at $0.75 each and two dozen oranges

Mathematics
1 answer:
Daniel [21]2 years ago
8 0

Step-by-step explanation:

0.75a + 2(0.90) = 27.60

is the correct answer

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A group of students must collect at least $120 to organize a science fair. They have already collected $30. Which graph best rep
Bezzdna [24]
Number line graph with closed circle on 30 and shading to the right
because you already have 30 dollars and they need at least 120 but if they get more then 120 they can still hold the science fair.
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A company earns a weekly profit of P dollars by selling x items, according to the equation P(x)=-5x^2+40x-300. How many items do
STALIN [3.7K]
Since the equation is:

<span>P(x)=-5x^2+40x-300

Solving the equation by using the calculator, the values for x are:

x = 4.72

Therefore, the company must sell 8 items per week to maximize the profit.

</span>I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
3 0
3 years ago
Help anyone please i need it
zheka24 [161]

Answer:

The sum is equal to -905,200

Step-by-step explanation:

we know that

The formula to calculate the sum is equal to

Sn=n\frac{(a1+an)}{2}

In this problem

n=775 -----> number of terms

a1 is the first term

a1=(-3(1)-4)=-7

an is the last term

an=(-3(775)-4)=-2,329

substitute

Sn=775\frac{(-7-2,329)}{2}=-905,200

4 0
3 years ago
A sundae at an ice-cream shop costs $3, and each extra ounce of toppings costs
anyanavicka [17]

Answer:

The number of ounce of topping that can be get is 4 .

Step-by-step explanation:

Given as :

The cost of a sundae = $3

The cost for each extra ounce of toppings = $0.50

Let The number of ounce of topping = n

The total spending cost on sundae with n extra topping = $5

Now, According to question

The total spending cost on sundae with n extra topping = The cost of a sundae + The number of ounce of topping × The cost for each extra ounce of toppings

Or , $3 + n × $0.50 = $5

or, 3 + 0.50 n = 5

or , 0.50 n = 5 - 3

or, 0.50 n = 2

∴  n = \dfrac{2}{0.50}

I.e n = 4

So, The number of ounce of topping = n = 4

Hence The number of ounce of topping that can be get is 4 . Answer

7 0
3 years ago
what are the values of a, b, and c in the quadratic equation 0 = x2 – 3x – 2? - a = , b = 3, c = 2 - a = , b = –3, c = –2 - a =
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x^2-3x-2=0\\\\\boxed{a=1;\ b=-3;\ c=-2}
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