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lukranit [14]
3 years ago
6

Giving brainliest answer

Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0

Answer:

A

Step-by-step explanation:

-5 represents the rate at which the temperature drops while 54 represents the initial temperature.

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Given that x= -3, what is the value of 2ײ - x + 5?​
Roman55 [17]

Answer:

26

Step-by-step explanation:

2(9)-(-3)+5

2(9)+3+5

18+8

26

3 0
3 years ago
Read 2 more answers
Two numbers whose sum is 44 and whose product is a maximum
Mashcka [7]

Answer:

x = y = 22

Step-by-step explanation:

It would help to know your math course. Do you know any calculus? I'll assume not.

Equations

x + y = 44

Max = xy

Solution

y = 44 - x

Max = x (44 - x)                    Remove the brackets

Max = 44x - x^2                   Use the distributive property to take out - 1 on the right.

Max = - (x^2 - 44x )               Complete the square inside the brackets.

Max = - (x^2 - 44x + (44/2)^2 ) + (44 / 2)^2 . You have to understand this step. What you have done  is taken 1/2 the x term and squared it. You are trying to complete the square. You must compensate by adding that amount on the end of the equation. You add because of that minus sign outside the brackets. The number inside will be minus when the brackets are removed.

Max = -(x - 22)^2 + 484

The maximum occurs when x = 22. That's because - (x - 22) becomes 0.

If it is not zero it will be minus and that will subtract from 484

x + y = 44

xy = 484

When you solve this, you find that x = y = 22 If you need more detail, let me know.


4 0
2 years ago
Helppppp pleaseee like now pleasee
enyata [817]

Answer:

d

Step-by-step explanation:

4 0
3 years ago
Daniel borrowed $8,000 at 6% interest for 10 years. What was the total interest?   A. $48,000   B. $4,800   C. $480   D. $48
Mariulka [41]
I think it wold be b

please tell me if i wrong
4 0
3 years ago
What is the solution to the following equation?
cupoosta [38]

The answer is 8. you are basically adding 13 to -5. so it would be 13-5=8.

3 0
3 years ago
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