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juin [17]
3 years ago
9

The function f(x)=−x2+40x−175

Mathematics
2 answers:
nadezda [96]3 years ago
8 0
Answer: The maximum value of f(x) is when x = 225.

The equation given is an upside down parabola. Therefore, the maximum height of the parabola is at the vertex.

To find the vertex when the equation is in standard from, we can use "-b/2a" to find the x-value.

Our expression is: 

-40/-2 = 20
Goryan [66]3 years ago
4 0

Answer: X=225

Step-by-step explanation:

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Norma-Jean [14]

Answer:

A

Step-by-step explanation:

Side length is 5 so 5 x 5 = 25

3 0
3 years ago
Read 2 more answers
Triangle ABC, ∠ B is the right angle, AB = 36 cm, and BC = 28 cm. If the similar figure DEF, DE = 9 cm what is the area of DEF?
andrezito [222]
AB = 36 cm
BC = 28 cm

Since they are similar figures:

36/28 = 9/EF

36EF = 28*9

EF = 252/36 = 7 cm

Finding the area:

Area = 1/2 * DE * EF

Area = 1/2 * 9 * 7

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5 0
4 years ago
Cassie is a half pound of sugar in her cabinet her cake recipe calls for two tenths of a pound of sugar how many cakes can she m
mamaluj [8]
The information's given in the question should be very minutely checked. Based on those given information's the answer to the question can easily be deduced.
Amount of sugar in the cabinet of Cassie = 1/2 pound
Amount of sugar required by Cassie to make her cake recipe = 2/10 pound
                                                                                                   = 1/5 pounds
Then
The number of cakes that Cassie can make = (1/2)/(1/5)
                                                                        = 5/2
                                                                        = 2 1/2
So from the above deduction we can easily conclude that Cassie can make a total of 2 cakes with the sugar she has and there will still be some sugar left.
7 0
4 years ago
Help me!! Please anything helps.
Degger [83]
The answer is C, a function is when the x value does NOT repeat!
6 0
3 years ago
Simplify the expression (5x4 – 3x3 + 6x) – ( 3x3 + 11x2 – 8x)
Anvisha [2.4K]
I hope this helps you

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