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Ket [755]
3 years ago
15

(x - 2)(-5x2 + x) = (x)(-5x2)+(*)(x) + (-2)(-5x2)+(-2)(x) is an example of:

Mathematics
1 answer:
IgorLugansk [536]3 years ago
3 0

Answer:

x=0 or x=1

Step-by-step explanation:

(x−2)(−5x2+x)=x(−5x2)+x−2(−5x2)−2x

−5x3+11x2−2x=−5x3+10x2−x

Step 1: Add 5x^3 to both sides.

−5x3+11x2−2x+5x3=−5x3+10x2−x+5x3

11x2−2x=10x2−x

Step 2: Subtract 10x^2-x from both sides.

11x2−2x−(10x2−x)=10x2−x−(10x2−x)

x2−x=0

Step 3: Factor left side of equation.

x(x−1)=0

Step 4: Set factors equal to 0.

x=0 or x−1=0

x=0 or x=1

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Please help me vote you brainlest
KIM [24]

Answer: he amount of fabric needed for Jimmy's costume is not stated, we can only determine the amount needed for Rob's costume, which makes it impossible to compare the amounts needed for both of their costumes. If this omission was an error, then you can find the difference between these amounts if the amount needed for Jimmy's costume is stated explicitly.

Step-by-step explanation: The number of yards of fabric needed for Robs costume is (7/8+1/2+1 3/4)÷2

Assuming 1 3/4 is a mixed fraction.

= (7/8 + 1/2 + 7/4) ÷ 2

= (7 + 4 + 2) ÷ (8 × 2)

= 13/16 yards

Suppose 2 yards of fabric is needed for Jimmy's costume, then comparing with Rob's yards, we see that Jimmy's costume requires (2 - 13/16 = 19/16) more yards than Rob's costume.

4 0
3 years ago
Consider the function f(x) = -2x+15 . What is the value of y when x = 3?
VashaNatasha [74]

Answer:

f(3) = 9

Step-by-step explanation:

Step 1: Define

f(x) = -2x + 15

x = 3

Step 2: Substitute and Evaluate

f(3) = -2(3) + 15

f(3) = -6 + 15

f(3) = 9

4 0
3 years ago
Solve the area formula for a triangle, A=1/2 bh, for h
ZanzabumX [31]
You did not provide a photo, so there is nothing to answer.
8 0
3 years ago
A colony of fruit flies exhibits exponential growth. suppose that 500 fruit flies are present. let p(t) denote the number of fru
murzikaleks [220]
I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
 SEE ATTACHED IMAGE.

 Part A:
 
The differential equation is:
 y '= 0.08y
 
The initial condition is:
 P (0) = 500

 Part B:
 
The formula for this case is:
 P (t) = 500exp (0.08 * t)

 Part C:
 After five days we have to evaluate t = 5 in the equation.
 We have then:
 P (5) = 500 * exp (0.08 * 5)
 P (5) = 745.9123488
 Rounding:
 P (5) = 746

4 0
3 years ago
PLS HELP URGENT MAX AMOUNT OF POINTS WILL BE GIVEN AND PLS DO NOT ANSWER IF UNSURE OR YOU WILL BE REPORTED BY ME AND BRAINLIEST
luda_lava [24]

Answer:

f(x) is shifted to the left 2 units of g(x)

f(x) will not be shifted vertically since we did not add anything to g(x)

Step-by-step explanation:

g(x) = x^2+2

f(x) = g(x+2)

When we shift  with h(x+c)  it is a horizontal shift

                  if c>0 it moves it left  c units

                  if c< 0 it moves it right c units

Since c is 2, this is shifted left 2 units

f(x) is shifted to the left 2 units of g(x)

When we shift  with h(x)+c  it is a vertical shift

                  if c>0 it moves it up  c units

                  if c< 0 it moves it down c units

f(x) will not be shifted vertically since we did not add anything to g(x)


4 0
3 years ago
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