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Veseljchak [2.6K]
3 years ago
7

Write an equivalent expression: 5.2x+8+2.1x-3 if you get it wrong its ok :)

Mathematics
2 answers:
Zinaida [17]3 years ago
6 0
This should be your answer

vodka [1.7K]3 years ago
4 0
7.3x+5 because I had that question in my old school and I got it right so hop this help you
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Identify the maximum value of the function y = −4x2 − 24x + −36.
kenny6666 [7]

y = -4x^2 - 24x + -36

y = -4(x^2 + 6x) -36

y = -4(x^2 + 6x + (6/2)^2) + 4(3)^2 -36

y = -4(x + 3)^2

We clearly get the maximum at x=-3, in which case y=0

Answer: 0, last choice

5 0
3 years ago
By law, all businesses outside the Parkville city limits must fence their lots. How many inches of fence will be needed to fence
noname [10]
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8 0
3 years ago
3 times the sum of x and y squared plus 5 times the difference of 2x and y
Virty [35]
3x + xy^2 + 5x - 2xy     ok so once you can decode the sentence this is what it will look like.    First you add the common facts which are 3x and 5x which = 8x ok so now we have 8x + xy^2 - 2xy so then I believe you cant do anything after that because there will be no more common factors hey can you tell me if I am write if you have already had turn this in please hope this helps 
8 0
3 years ago
A service station will be built on the highway, and a road will connect it with cray. How long will the new road be?
zysi [14]

Answer: 4.6 mi

Step-by-step explanation:

Suppose the points A, B, C and S shows Alba, Blare, Cray and Service station respectively,

Then, We have to find out the line segment CS = x = ?

Now, In the triangles ACB and CSB,

\angle ACB\cong \angle CSB     ( Right angles )

\angle ABC\cong \angle CBS      ( Reflexive angles )

Thus, by AA similarity postulate,

\triangle ACB\sim\triangle CSB

By the property of similar triangles,

\frac{AB}{CB}=\frac{AC}{CS}

\implies \frac{13}{5}=\frac{12}{x}

\implies 13x=5\times 12

\implies 13x = 60

\implies x =\frac{60}{13}=4.61539\approx 4.6

Hence, the approximate length of the new road = 4.6 miles


3 0
3 years ago
The diameter of a circle is 18 meters. What is the circle's area?
Anarel [89]

Answer:

254.45 meters squared

Step-by-step explanation:

Well the radius is 9 and that squared is 81 then that times pi is 254.45.

3 0
4 years ago
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