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3 years ago

Rewrite each algebraic expression with fewer terms

Mathematics

2 answers:

Klio2033 [76]3 years ago

5 0

8.5A+38
h-2 just got to distribute and combine like terms my brotha

Tom [10]3 years ago

5 0

Answer:

1. 8,5a + 38

2. 5,5+b

Step-by-step explanation:

1. a) 9,5(a+4)-a= 9,5a + 38-a= 8,5a + 38

2. 8+b-2,5= 5,5+b

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What is the circumference of a circle with 60 in. as the radius

Rus_ich [418]

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60π

Step-by-step explanation:

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3 years ago

A vehicle factory manufactures cars. The unit cost (the cost in dollars to make each car) depends on the number of cars made. If

Nataly [62]

Answer:

The function is missing in the question. The function is $C(x) = 0.8x^2 -544x +97410$

The answer is 4930

Step-by-step explanation:

Unit cost of a car is given as

$C(x) = 0.8x^2 -544x +97410$

Cost will be minimum when

x = -(-544)/ 2 x 0.8

= 340

Therefore, minimum cost for unit car is

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$= 0.8(340)^2 -544(340) +97410$

= 4930

4 0

3 years ago

Prove that the curve a(t) = (cost, sin 2t, cos 2t) is regular on R and that it self-intersects at (1,0,1). Check the self-inters

alexandr402 [8]

Answer:

The function a (t) is a vector function composed of the component functions $a_ {1} (t) = cost, a_ {2} (t) = sin2t$ and $a_ {3} (t) = cos2t$ . How $a_ {1} (t), a_ {2} (t), a_ {3} (t)$ are infinitely derivable functions in R, so they are regular functions in R.

Now, for $t = 0$ , you have to $a (0) = (cos (0), sin2 (0), cos2 (0)) = (1, 0, 1)$ . How the functions $a_ {1} (t), a_ {2} (t), a_ {3} (t)$ are periodic functions with period $2 \pi,$ the vector function $a (t)$ will take the same point $(1, 0 , 1)$ at $t = 2n\pi, n = 0, 1, 2, 3, ...$ then the vector function is auto-intercepted

Step-by-step explanation:

6 0

3 years ago