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koban [17]
2 years ago
10

55 mi / h = ____ ft / s

Mathematics
1 answer:
prisoha [69]2 years ago
5 0

Answer:

80.6ft/s

Step-by-step explanation:

\frac{55mi}{h}  * \frac{5280ft}{1 mi}* \frac{1h}{3600s} = 80.6ft/s

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Y'all I am struggling Use the following functions to find each value below. f(x)=5x; g(x)=−2x+1; h(x)=x2+6x+8
Anni [7]

Answer:

see below the first three problems

Step-by-step explanation:

f(g(-2))

First, find g(-2) using function g(x). Then use that value as input for function f(x).

g(x) = -2x + 1

g(-2) = -2(-2) + 1

g(-2) = 5

f(x) = 5x

f(5) = 5(5)

f(5) = 25

f(g(-2)) = 25

g(h(3))

First, find h(3) using function h(x). Then use that value as input for function g(x).

h(x) = x^2 + 6x + 8

h(3) = 3^2 + 6(3) + 8 = 9 + 18 + 8

h(3) = 35

g(x) = -2x + 1

g(35) = -2(35) + 1 = -70 + 1

g(35) = -69

g(h(3)) = -69

f(g(3a))

First, find g(3a) using function g(x). Then use that value as input for function f(x).

g(x) = -2x + 1

g(3a) = -2(3a) + 1

g(3a) = -6a + 1

f(x) = 5x

f(-6a + 1) = 5(-6a + 1)

f(-6a + 1) = -30a + 5

f(g(3a)) = -30a + 5

5 0
3 years ago
Vector question, please help​
77julia77 [94]

Answer:

yes.

Step-by-step explanation:

3 0
3 years ago
Simplity.<br> 2+{8-2 [32+5(1+2)]}<br> Enter your answer in the box.
V125BC [204]

Answer:

284

Step-by-step explanation:

You have to start out multiplying the (parentheses), then the [brackets], then the {curly brackets}. After you're done with those you would add 2.

5 0
3 years ago
A hiker walks 5 km/hr, how long does it take him to walk 48 km?
sladkih [1.3K]

Answer:

\sf 9.6\:hours \:\: or \:\: 576\: minutes

Explanation:

\sf Time \ taken : \dfrac{Distance}{Speed}

Here given:

  • distance: 48 km
  • speed: 5 km/hour

Applying formula,

\sf Time \ Taken = \dfrac{48}{5}  = 9.6 \ hours = 576 \ minutes

4 0
2 years ago
Help me plz. The sides of a rectangular terrain are given by the expressions (x - 5) y
tatyana61 [14]

Area = (x - 5)(x – 7)

Area = x(x - 7) - 5(x - 7)

Area = x^2 -7x -5x + 35

Area = x^2 -12x + 35

algebraic expression that represents its area: x^2 -12x + 35

x^2 - 12x + 35 = 195

x^2 - 12x + 35 - 195 = 0

x^2 - 12x - 160 = 0

x^2 - 8x - 20x - 160 = 0

x (x + 8) - 20 (x + 8) = 0

(x + 8) (x - 20) = 0

(x + 8) = 0

(x - 20) = 0

x = - 8 (not a solution)

x = 20

hence,

length = x - 5

length = 20 - 5

length = 15 m

width = x - 7

width = 20 - 7

width = 13 m

perimeter = 2(13) + 2(15)

perimeter = 26 + 30

perimeter = 56 m²

4 0
3 years ago
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