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Nastasia [14]
3 years ago
5

Please help me and hurry

Mathematics
1 answer:
Darya [45]3 years ago
8 0

A and b equal each other

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Evaluate the expression: a(b – c) if a = -8, b = 12, and c = 4
Lelu [443]
A(b-c)
First substitute values
-8(12+4)=
Next, solve using ordering of PEMDAS
-8 (12+4)=
-8 (16)=12
7 0
4 years ago
Read 2 more answers
If g(n)=2n-5 and f(n)=n2+4, what is the value of (2g+4f)(5).
Rudiy27

Answer:

i dont know im sorry

Step-by-step explanation:

8 0
3 years ago
Dy/dxif y = 4x3 + 3x2 + 2
DIA [1.3K]
The function is 

                                \displaystyle{ y=4x^3+3x^2+2.

We recall that the derivative of each monomial ax^b is a\cdot b\cdot x^{b-1}, and the derivative of a constant (function) is 0.

According to this:

\frac{d}{dx}(4x^3+3x^2+2)=4\cdot 3\cdot x^2 + 3\cdot 2\cdot x+0 =12x^2+6x.


Answer: 12x^2+6x
7 0
3 years ago
How many intersections are there of the graphs of the equations below? x + 5y = 6 3x + 30y = 36 none one two infinitely many How
Aloiza [94]

You can solve this system of the equations with graphical method or algebra method.

I solve this system with Gaus algorithm

first we divide second equation with number 3 and get x+10y=12

Than subtract first equation from second and get 5y=6 => y=6/5

now we replace y in the first equation and get x+5*(6/5)=6 =>x+6=6

=> x=0           (x,y)=(0,6/5)

Conclusion is that we have one intersection point between this two graphs.

Good luck!!!


8 0
4 years ago
Read 2 more answers
Reptile sand is sold for $8 a bag. Vitamin pellets are sold in packs of 12 for $6. Michael bought 2 packs of vitamins and one ba
Illusion [34]

Hi!

The correct answer is : $8 + (2 x $6) = m, because he bought one bag of sand and two packs of vitamin pellets.

Hope this helps!

4 0
3 years ago
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