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Pani-rosa [81]
3 years ago
5

What is 20x^2-40x-25

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
6 0
You have to know what x is to completely solve but you can simplify it to, 20x^-40x -23
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Number 10 <br> I think it's 1 but I'm not exactly sure
Tasya [4]
Hello,
answer is C

m=-40h+130
Indeed
 A=(1/2,110)
B=(3,10)

y-10=(10-110/(3-1/2)(x-3)
==>y=-100/(5/2)*(x-3) +10
==>y=-40x+120+10
==>y=-40x+130
(or m=-40h+130 )
8 0
4 years ago
Bret’s bill for dinner is $40.25 including tax. He leaves a 20% tip. How much tip does Bret leave in dollars and cents?
masya89 [10]

Answer:

8 dollars and 5 cents (im first answer btw)

Step-by-step explanation:

3 0
3 years ago
What is the sign of \dfrac bc c b ​ start fraction, b, divided by, c, end fraction? Choose 1 answer: Choose 1 answer: (Choice A)
Vlad [161]

Answer:

A Positive

Step-by-step explanation:

If we input the fraction given to us by using the text editor, we have:

\dfrac{b}{c}

OUTPUT:

\dfrac{b}{c}

The sign before that fraction term is known as positive.

3 0
3 years ago
Read 2 more answers
17. Which of the following trigonometric functions can be described as a reciprocal trig function?
Nataly [62]

Answer:

Step-by-step explanation:

Reciprocal trig functions are opposite or mirror of the normal trig functions. The normal trig functions are as follows:

Sine = opposite side/hypotenuse

Cosine = adjacent side/hypotenuse

Tangent = opposite side/adjacent side

The reciprocals of the above trig ratios would be

Cosecant = hypotenuse/opposite side

Secant = hypotenuse/adjacent side

Cotangent = adjacent side/opposite side

Therefore, looking at the given options, the trigonometric function that can be described as a reciprocal trig function is

D. sec(0)

7 0
3 years ago
HELP me please! Please I really need it!
Crank

Answer:

The radius is 6.1 cm

Step-by-step explanation:

The volume of a sphere is

V = 4/3 pi r^3

There is a typo in the problem.

We know the volume

950 = 4/3 (3.14) r^3

Multiply each side by 3/4

3/4 *950 = 3.14 r^3

712.5 = 3.14 r^3

Divide each side by 3.14

712.5/3.14 = r^3

226.910828 = r^3

Take the cube root of each side

226.910828 ^ (1/3) = r^3 ^ 1/3

6.099371323 = r

The radius is 6.1 cm

4 0
3 years ago
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