3 years ago

Can someone please help me?

1 answer:

3 0

Okay so I would make sure you do that, but then make sure you add the numbers so it can have a fraction, then simplify. Heres the formula you need to know

x= a^2 x 3y

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A rectangular prism is shown below. Find the volume. 1.3 ft 1.5 ft 2.3 ft 23 “ Your answer can be exact or rounded to the neares

Helen [10]

Answer:

4.485 ( rounded = 4.5)

Step-by-step explanation:

1.3 x 1.5 x 2.3 = 4.485

8 0

3 years ago

How do you solve: f(x) = -x2e-x<br> +2xe-x , finding the zero's of f.

Maksim231197 [3]

Answer:

0 and 2

Step-by-step explanation:

$f(x) = -x^2e^{-x}+2xe^{-x}$

To find zeros set f(x)=0 and solve for x

$0 = -x^2e^{-x}+2xe^{-x}$

$0 = -e^{-x}(x^2-2x)$

now factor out x

$0 = -xe^{-x}(x-2)$

set each factor =0 and solve for x

$x=0$

$-e^{-x}=0$ no solution for x

$x-2=0, x=2$

zeros of f are 0 and 2

7 0

3 years ago

Which equation represents the line that passes through the point (4, -5) and is perpendicular to the line x + 2y = 5?

Lerok [7]

Answer:

y = 2x - 13

Step-by-step explanation:

Equation of a line is y = mx + c, m is the gradient and c is the intercept

The line passes through points 4 and -5, x is 4 and y is -5

-5 = 4m + c

When two lines are perpendicular, the products of their gradients are equal to -1, m1 * m2 = -1

x + 2y = 5

2y = -x + 5

y = (-1/2 * x) + 5

therefore m = -1/2

m1 * m2 = -1

m * -1/2 = -1

-m = -2 , therefore m = 2

-5 = 4 * 2 + c

c = -5 - 8, which is -13

Therefore the equation for the line is

y = 2x - 13

7 0

3 years ago

Rewraite 3/7 whit a denominator of 28

deff fn [24]

Answer:

12/28

Step-by-step explanation:

3 x 4 = 12

7 x 4 = 28

4 0

2 years ago

Read 2 more answers

What is the product of (3 the square root of 8)(4 the square root of 3)? Simplify your answer

Vsevolod [243]

$3\sqrt{8}\cdot4\sqrt{3} \\12\sqrt{24} \\12\cdot2\sqrt{6} \\\boxed{24\sqrt{6}}$

8 0

3 years ago