3 years ago

Strawberries are $1.95 a pound. Write an expression for p pounds of strawberries

Mathematics

2 answers:

lana66690 [7]3 years ago

5 0

Answer:

1.95x

Step-by-step explanation:

x equals the # of pounds of the strawberries

Mkey [24]3 years ago

3 0

Answer:

dollar

Step-by-step explanation:

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Attempted but just couldnt understand (25Points)

Rashid [163]

Answer:

a) Function:Yes

b) Domain: $-5\:$

c) Range: $-5\le y\le 3$

Step-by-step explanation:

The given graph passes vertical line test hence it is a function

The given function has x-intercepts at $x=-4.5, x=-1,x=3.5$

We can therefore write this function in factored form as $y=a(2x+9)(x+1)(2x-7)$

There is a y-intercept at (0,-2)

$-2=a(2*0+9)(0+1)(2*0-7)$

$-2=-63a$

$a=\frac{2}{63}$

The required function is

$y=\frac{2}{63}(2x+9)(x+1)(2x-7)$

b) The domain refers to all values of x for which this function is defined.

The domain from the graph is $-5\:$ because there are holes at the end of the graph.

c) The range is the value of y for which x is defined or the graph exists.

From the graph the range is $-5\le y\le 3$

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3 years ago

Find the equation of a line that passes through the points (1,-5) and (3,-6).

Paha777 [63]

Answer:

y = -1/2x +11/2

Step-by-step explanation:

slope finding: -5+6/1-3 = -1/2

equation making: y+5 = -1/2(x-1)

rearranging: y = -1/2x +11/2

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4 years ago

The area A of a sector of a circle is given by A=πr²s/360, where r is the radius of the circle and s is the angle measure(in deg

Leokris [45]

$A= \frac{ \pi r^2s}{360} \\ \\ \pi r^2s=360A \\ \\ s= \frac{360A}{ \pi r^2}$

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4 years ago

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Given a line with slope m = -3/2 and a point (5, -6), what's the y-coordinate of the y- intercept?

Svetlanka [38]

Answer:

3/2

Step-by-step explanation:

y = mx + b

-6 = -3/2(5/1) + b

-12/2 = -15/2 + b

b = 3/2

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3 years ago

The cost to rent a car is $25 plus an additional $0.15 for each mile the car is driven. How many miles was a car driven if it ha

marissa [1.9K]

312

71.80-25.00= 46.80

46.80÷ .15= 312

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3 years ago