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2 years ago

Three more than two times in a expression

Mathematics

2 answers:

svetlana [45]2 years ago

8 0

3+2x
i think that would be the answer smol child

REY [17]2 years ago

4 0

The expression would be 2x+3 for any real number x

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The volume of a prism with base B is 20 cubic centimeters. Find the area of the base of the height of the prism is 5 centimeters

marshall27 [118]

Answer:

C 12.5cm is the answer good luck

5 0

3 years ago

2 more to go!!!! HELP ME!!!!!

Musya8 [376]

To divide complex numbers, you multiply by the conjugate. The conjugate is when you change the sign between the two terms in the denominator. Therefore, the conjugate in this one is (3+i)

$\frac{13-i}{3-i} * \frac{3+i}{3+i}$ ← Then, you foil these guys:

$\frac{(13-i)(3+i)}{(3-i)(3+i)} = \frac{40+10i}{10} = 4 + i$ or C

3 0

3 years ago

Kate sets a goal to walk 3 miles every day for a year. How many miles more or less than 1000 miles will she walk in the year

maw [93]

Answer:

She would walk 95 miles more because

Step-by-step explanation:

3 miles per day multiplied by 365 days = 1095

You have to subtract the number of miles currently by 1095 so that would be

1095-1000=95

Therefore 95 Is your answer

7 0

3 years ago

Solve the equation 2 cos ( x ) + 1 = 0 2 cos x + 1 = 0 , 0 ≤ x ≤ 2 π 0 ≤ x ≤ 2 π . Show all of your work

TiliK225 [7]

Answer:

2π/3, 4π/3

Step-by-step explanation:

I interpret your question as asking us to solve the equation

2cos(x) + 1 = 0

2cos(x) = -1

cos(x) = -½x

x = arccos(-½), 0 ≤ x ≤2π

Since the cosine is negative, x must be in the second or third quadrant.

Referring to the unit circle, we find that

x = 2π/3 (120°) or x = 4π/3 (240°)

8 0

3 years ago

Consider the function f(x) = x(x-4.

jeyben [28]

Step-by-step explanation:

point (c-2, y) lies on the graph of f(x)=x(x-4)f(x)=x(x−4) .

Step-by-step explanation:

Given function f(x)=x(x-4)f(x)=x(x−4) also point (2+ c,y) is on the graph of f(x) ,

We have to find out of given point which point will also be on the graph of f(x).

Consider the given function f(x)=x(x-4)f(x)=x(x−4)

f(x)=x(x-4)f(x)=x(x−4) can be rewritten f(x)=x^2-4xf(x)=x

−4x

Now we substitute the given point (2+ c, y) in the function given ,

we have,

f(x)=y=x(x-4)f(x)=y=x(x−4)

put for x as 2+c , we have,

\Rightarrow y=(2+c)(2+c-4)⇒y=(2+c)(2+c−4)

Solve, we get

\Rightarrow y=(2+c)(c-2)⇒y=(2+c)(c−2)

Thus, both point (2+c, y) and (c-2, y) lies on the graph of f(x)=x(x-4)f(x)=x(x−4)

Thus, option (1) is correct.

3 0

2 years ago