Find Each Product Simplify
( x ^ 2 + 9 ) ( x + 3 ) ( x - 3)HELP ME PLEASE!
Answers
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Answers
2 r + b = 8.40
3 r + b = 9.35
( b ) Graph is in the attachment.
( c ) Each item costs:
b = $6.50, r = $0.95
We can prove it: 2 * 0.95 + 6.50 = 8.40
3* 0.95 + 6.50 = 9.35
Answer: 1 drink refill is $0.95 and the egg breakfast is $6.50
2 r + b = 8.40
3 r + b = 9.35
$9.35-$8.40 =$0.95 then take .95x2 to get 1.90 and 8.40-1.90 to get the egg breakfast or $6.50
Answers
the starting point is where t=0
d(0)=-16(0)^2+96(0)+112
D(0)=112
started from 112 feet
b. max height is vertex
for
y=ax^2+bx+c
the x value of the vertex is -b/2a
so
D(t)=-16t^2+96t+112
t value of vertex is -96/(2*-16)=3
it reaches after 3 seconds
C. simpliy evaluate D(t) for t=3
D(3)=-16(3)^2+96(3)+112
D(3)=-16(9)+288+112
D(3)=-144+400
D(3)=256
max height is 256ft
what is the solution?
Answers
Answer:
x = 2/log(3) is the solution
x = 8
x = 10
x = 11
Answers
The solution to the given algebraic expression (x - 2)(x + 10) = 13 is x = 3
What is an algebraic equation?
An algebraic equation is the combination of variables and their coefficients(usually numbers) with arithmetic operations. The main purpose of an algebraic expression is to determine the value(s) of the variable(s).
From the given information:
(x - 2)(x + 10) = 13
x² + 10x - 2x - 20 = 13
x² + 8x -20 -13
x² + 8x - 33 = 0 (quadratic equation)
Using the quadratic formula, the values of x are - 11 and 3. Since we are considering only the positive integer only, x = 3
Learn more about algebraic equations here:
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Answer: X=3
Step-by-step explanation:
1. expand the equation
x^2 + 10x -2x -20 = 13
2. Collect like terms
x^2 + 8x - 20 = 13
3. Simplify
x^2 + 8x = 13 + 20
x^2 + 8x = 33
x^2 = 33 - 8x
4. Substitute answers for guess and check
3^2 = 33 - (8 x 3)
9 = 33 - 24
This equation is correct therefore x = 3
Answers
Answer:
3125
Step-by-step explanation:
5^5
= 5*5*5*5*5
= 25*5*5*5
=125*5*5
=625*5
=3125
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Answer:
5^5=3125
Step-by-step explanation:
Answers
=cos x + (cos 180)(cosx) +sin(180)(sinx))
=cos x+{-1(cos x)+0(sinx)
Note cos 18
= cos x-cos x
=0