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3 years ago

Evaluate the function at the given point

Mathematics

2 answers:

Elena-2011 [213]3 years ago

7 0

Answer:

y=-2

Step-by-step explanation:

On the graph, It says where x is -15, y is -2.

jonny [76]3 years ago

5 0

Answer:

The answer is Option 3.

Step-by-step explanation:

By looking at the table, when x = -15, then, y is equals to -2.

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A triangle's base is increasing at the rate of 3 inches/sec, its height at 2 inches/sec. At what rate is the area of the rectang

Triss [41]

Answer:

dA/dt = 31 in²/ sec

Step-by-step explanation:

The area of the triangle is:

A(t) = (1/2)*b*h where b is the base and h the height

Differentiation on both sides of the equation we obtain

dA/dt = (1/2)* db/dt * h + (1/2)* dh/dt * b (1)

db/dt = 3 in/sec

dh/dt = 2 n/sec

b = 10 in

h = 14 in

By substitution in (1)

dA/dt = 0,5* 3*14 + 0,5* 2*10

dA/dt = 21 in² /sec + 10 in²/sc

dA/dt = 31 in²/ sec

3 0

2 years ago

How much metal is needed to cast a cubical metal box with outer side 10 inches long if the thickness of its walls should be exa

nignag [31]

Notice the picture below

so... a cube has all sides equal, so is just a rectangular prism with equal sides
and a rectangular prism is just 6 rectangles stacked up to each other at the edges

now, notice in the graph at the bottom, one of the rectangles with a thickness of 2inches

so... just get the volume of each, and add them up, that's how much metal is needed

5 0

2 years ago

The larger of two consecutive integers is 7 greater than twice the smaller. Find the integers. ( 4, 5)( -8, -9)(-5, -6)

igor_vitrenko [27]

Answer:

(-5, -6)

Step-by-step explanation:

The smaller integer is x.

The larger integer is x + 1.

x + 1 = 7 + 2x

-x = 6

x = -6

x + 1 = -6 + 1 = -5

Answer: (-5, -6)

8 0

1 year ago

Option 1: 1,811 square feet, 2-3 bedroom, 2 bath house that arrives in 4 modules. It includes the upgraded PEX piping and fiber

sp2606 [1]

If the<em> price is $180 per square foot</em>, the price of the lot will be $3,240,000

To calculate Xavier cost, we need to first calculate the area of the lot (trapezium)

Area of the trapzium = 1/2(a+b)h

h is the height of the trapezium
a and b are the sides

Area of the trapezium = 1/2(175+185)*100

Area of the trapezium = 1/2(360)*100

Area of the trapezium = 18000 square foot.

If the<em> price is $180 per square foot</em>, the price of the lot will be 18000 * 180 = $3,240,000

Learn more on area of trapezium here: brainly.com/question/16904048

7 0

2 years ago

Sam subtracted 5 from the quotient of a number and 3. Write an algebraic expression to represent the operations that Sam preform

ella [17]

Answer:

(x/3) - 5.

Step-by-step explanation:

Let the number be x.

The quotient of the number and 3 is x/3.

So the expression is:

(x/3) - 5.

4 0

3 years ago

Evaluate the function at the given point ​

Evaluate the function at the given point