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Nezavi [6.7K]
3 years ago
6

PLEASE HELP ME!!!!!!!!

Mathematics
1 answer:
olga55 [171]3 years ago
6 0

Answer:

B. segment DE, segment EF, and segment DF are all different lengths, and the slopes of segment DE and segment EF opposite reciprocals

Step-by-step explanation:

I just took the test.

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According to the Rational Root Theorem, what are all the potential rational roots of f(x) = 9x^4 – 2x^2 – 3x + 4?
julia-pushkina [17]

Answer: \pm1,\frac{\pm1}{3},\frac{\pm1}{9},\pm2,\frac{\pm2}{3},\frac{\pm2}{9},\pm4,\frac{\pm4}{3},\frac{\pm4}{9}


Step-by-step explanation:

The rational theorem states that if f(x) has integer coefficients and \frac{p}{q} is a rational zero, then q is the factor of leading coefficient and p is the factor of constant term.

Given polynomial= 9x^4-2x^2-3x+4

Now, Factors of leading coefficient q=\pm9,\pm3,\pm1

factors of constant term p=\pm4,\pm2,\pm1

according to rational root theorem the rational roots are in the form

\frac{p}{q}=\pm1,\frac{\pm1}{3},\frac{\pm1}{9},\pm2,\frac{\pm2}{3},\frac{\pm2}{9},\pm4,\frac{\pm4}{3},\frac{\pm4}{9}

5 0
4 years ago
Read 2 more answers
The Oliver Company plans to market a new product. Based on its market studies, Oliver estimates that it can sell up to 5,500 uni
pshichka [43]

Answer:2240 units

Step-by-step explanation:

Given

Fixed cost=$ 5600

variable cost=50 % of total revenue

selling price=$ 5

Let x be the no of unit Produced

Revenue=5x

variable cost=0.5 \times 5x=2.5x

Total cost=5600+2.5x

For break even

Total cost= revenue

5600+2.5x=5x

2.5x=5600

x=\frac{5600}{2.5}=2240 units

3 0
3 years ago
Consider the following pair of equations:
lbvjy [14]
-x-y=-5
-x+y=1

adding up the equations gives;
-2x=-4
x=2

replacing in the first equation;
-2-y=-5
-2+5=y
y=3
They would intersect at (2,3)
3 0
4 years ago
Assume f(x)=2x+8 and g(×)=5 what is the value of (g o f)(3)
RUDIKE [14]
We first need to find f(3).

f(3) = 2(3) + 8

f(3) = 6 + 8

f(3) = 14

We now want g(f(3)).

We know that f(3) is 14.

We also know that g(x) is 5.

As you know, 5 is a constant. No matter what the value of x is for g(x), it will not change the value of g(x).

So, g(f(3)) = g(14) = 5.

Answer: g(f(3)) = 5.
7 0
4 years ago
Read 2 more answers
A 5k marathon is equivalent to how many miles.? (Conversion factor: 1 mile = 1.6 km)
Tanya [424]

Answer:

3.10686

Step-by-step explanation:

Divide the kilometer by 1.609

6 0
3 years ago
Read 2 more answers
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