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Alex777 [14]
3 years ago
10

Add (13a + 5b) + (a + 5b - 3)

Mathematics
1 answer:
Anni [7]3 years ago
5 0
<span>(13a + 5b) + (a + 5b - 3)
</span><span>
= 13a + 5b + a + 5b - 3
 
= 14a + 10b - 3 </span>
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The number of students in the period 7 study hall at jin's school is 4 times the number of students in jin's home room. how many
k0ka [10]
1/4 the students in study hall (per 7) = 16

16*4 = 64 students in study hall.

<span>Hope I helped! (Pick my answer as brainliest!)</span>
5 0
3 years ago
The length of a rectangle is six times it’s width. If the area of the rectangle is 600 ft squared find the perimeter
MatroZZZ [7]

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212 is the perimeter

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
Plz help!
beks73 [17]

First, you need to find the derivative of this function.  This is done by multiplying the exponent of the variable by the coefficient, and then reducing the exponent by 1.  

f'(x)=3x^2-3

Now, set this function equal to 0 to find x-values of the relative max and min.

0=3x^2-3

0=3(x^2-1)

0=3(x+1)(x-1)

x=-1, 1

To determine which is the max and which is the min, plug in values to f'(x) that are greater than and less than each.  We will use -2, 0, 2.

f'(-2)=3(-2)^2-3=3(4)-3=12-3=9

f'(0)=3(0)^2-3=3(0)-3=0-3=-3

f'(2)=3(2)^2=3(4)-3=12-3=9

We examine the sign changes to determine whether it is a max or a min.  If the sign goes from + to -, then it is a maximum.  If it goes from - to +, it is a minimum.  Therefore, x=-1 is a relative maximum and x=1 is a relative miminum.

To determine the values of the relative max and min, plug in the x-values to f(x).

f(-1)=(-1)^3-3(-1)+1=-1+3+1=3

f(1)=(1)^3-3(1)+1=1-3+1=-1

Hope this helps!!

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3 years ago
Whats 1 + 1<br><br> plz answer thisssssssssssssss
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Answer:

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Step-by-step explanation:

because if u add 1 + 1 u will get 2

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In many Spanish speaking countries women greet friends and family with a kiss on the cheek.
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The answer to your question is true <3
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3 years ago
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