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Alja [10]
2 years ago
11

What is 3a + 2 + a equals ?

Mathematics
2 answers:
larisa86 [58]2 years ago
7 0
4a + 2

Only if you’re just simplifying the problem
koban [17]2 years ago
5 0

Could be anything depending on what a is. I imagine for the question it is just supposed to be simplified to 4a + 2

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Which functions are symmetric with respect to the origin?
Damm [24]

Answer:

The correct option is;

y = arcsinx and y = arctanx

Step-by-step explanation:

The given options are;

1) y = arcsinx and y = arccosx

Here, we have at the origin, where x = 0,  arccosx ≈ 1.57 while arcsinx = 0

Therefore arccosx does not intersect arcsinx at the origin for it to be symmetrical to arcsinx or the origin

2)  y = arccosxy and y = arctanx

Here arctanx = 0 when x = 0 and arcos x = 1.57 when x = 0 therefore, they are not symmetrical

3) y = arctanx and y = arccotx

Similarly, At x = 0, arccotx = 1.57 therefore, they are not symmetrical

4) y = arcsinx and y = arctanx

Both functions arcsinx and arctanx pass through the origin and their shapes are similar but inverted as they go from negative to positive.

3 0
3 years ago
NASA launches a rocket at t = 0 seconds. Its height, in meters above sea-level, as a function of time is given by h ( t ) = − 4.
Fudgin [204]

Answer:

The rock splashes down when h(t) = 0. Set h(t) = 0 and solve for t using quadratic formula.

0 = − 4.9t^2 + 178t + 325

t = 38.07, -1.74

(Throw away the negative answer, since time can't be negative.)

t = 38.07 sec

Please Mark Brainliest If This Helped!

4 0
2 years ago
PLS I WILL GIVE BRAINLIEST
Nana76 [90]

Answer:

208 cm^2

Step-by-step explanation:

We can find the area of the net by adding up the area of each of the 6 rectangles that make up the net. Since two of each rectangle are the same, we only have to find the area of the 3 different sized rectangles and multiply each by 2.

Rectangle pairs are:

  • Left rectangle and right rectangle
  • Top rectangle and the rectangle above the bottom rectangle
  • Bottom rectangle and the rectangle surrounded by all for sides

Now, let's solve the question.

Left rectangle:

6 x 4 = 24, rectangle has area of 24 squared cm

Top rectangle:

6 x 8 = 48, rectangle has area of 48 squared cm

Bottom rectangle:

4 x 8 = 32, rectangle has area of 32 squared cm

Add up the areas:

(24 x 2) + (48 x 2) + (32 x 2) = 208

The rectangle has a surface area of 208 squared cm

4 0
3 years ago
What is the area of this face?​
Paladinen [302]

Answer:

242 ft^2

Step-by-step explanation:

15 x 14 + 4 x 8 = 242 ft^2

(break down the polygon into two rectangles)

6 0
3 years ago
Sabrina is tracking the growth rates of a colony of ants and of a bee hive. From her research, she has developed a function to r
WITCHER [35]
Sabrina should be careful of those ants and bees.
5 0
3 years ago
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