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olasank [31]
3 years ago
6

Simplify (2a−4b)+2(a−4b)

Mathematics
1 answer:
Brrunno [24]3 years ago
6 0
First: multiply the 2 by the a and -4b = (2a-8b) then simplify (2a-4b)+(2a-4b) to get your answer
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Find the domain and range of 1/t+2
kotegsom [21]

Answer:

Domain = (-∞, -2) ∪ (-2, ∞).

Range =  (-∞, 0) ∪ (0, ∞).

Step-by-step explanation:

t can't have the value -2 because that would make  1/(t + 2) = 1/0 which is undefined.

So the domain is All real values of t. except t = -2.

As t approaches infinity or negative infinity  f(t) approaches  zero, and as t approaches -2 from below or above f(t) approaches negative infinity or positive infinity.

8 0
3 years ago
The domain of f(x)= (2/3)^x is all negative numbers true or false
Salsk061 [2.6K]
False, probably. cause (2/3)^1 is defined
4 0
3 years ago
The diagram shows one way to develop the formula for the area of a circle. Pieces of a circle with radius r are rearranged to cr
podryga [215]

Question:

a. A = (2πr)(r)

b. A = (2πr)(2r)

c. A =\frac{1}{2} (2\pi r)(r)

d. A =\frac{1}{2} (2\pi r)(2r)

Answer:

The correct option is A =\frac{1}{2} (2\pi r)(r)

Step-by-step explanation:

The formula for the area, A of a parallelogram = base, b × height, h

Therefore, since the base dimension is approximately half the perimeter of a circle, we have;

Base, b = 2·π·r × 1/2

Where the height of the parallelogram, as shown in the diagram is approximately the radius of the circle, we have;

Height, h = r

Therefore, the approximate area, A of the parallelogram is given by the following relation;

A = b × h =  2·π·r × 1/2 × r Which is the same as A = \frac{1}{2} (2\pi r)(r).

4 0
3 years ago
A floor mat for gymnastics is a square with a side length of 14m. What is the area of the floor mat in square metres? Explain?
TEA [102]

Answer:

196 square meters

Step-by-step explanation:

If the floor mat is square and one side is 14m then all sides are 14m. Given this you would find area by multiplying length by width.

L=14 W=14

14x14=196

There are 196 square meters

5 0
3 years ago
Send help I am smol brain
nevsk [136]

Answer:

its C

Step-by-step explanation:

7 0
3 years ago
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