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2 years ago

What is the product of two integers that equal -21

Mathematics

2 answers:

earnstyle [38]2 years ago

8 0

This is the answer 7 x -3

7 x -3 = -21

9966 [12]2 years ago

8 0

Here are all of the possibilities:

7 x (-3)

-7 x 3

1 x (-21)

-1 x 21

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What is the value of the expression below when x equals 5?<br><br> 16 + 10x

Inessa05 [86]

Answer:

Step-by-step explanation:

Plug in 5 for x

16 + 10(5)

16 + 50 = 66

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2 years ago

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Need help with 5 6 7 and 8. at least answer one of them .

likoan [24]

Answer:

5) moves one place to right

6) moves one place to left

Step-by-step explanation:

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2 years ago

Approximate f by a Taylor polynomial with degree n at the number a. Step 1 The Taylor polynomial with degree n = 3 is T3(x) = f(

MAVERICK [17]

Answer:

If you center the series at x=1

$T_3(x) = e^2 + 4e^2 (x-1)+10(x-1)^2 + \frac{56}{3} e^2(x-1)^3 + R(x)$

Where $R(x)$ is the error.

Step-by-step explanation:

From the information given we know that

$f(x) = e^{2x^2}$

$f'(x) = 4x e^{2x^2}$ (This comes from the chain rule )

$f^{(2)}(x) = 4e^{2x^2} (4x^2+1)$ (This comes from the chain rule and the product rule)

$f^{(3)}(x) = 16xe^{2x^2}(4x^2 + 3)$ (This comes from the chain rule and the product rule)

If you center the series at x=1 then

$T_3(x) = e^2 + 4e^2 (x-1)+10(x-1)^2 + \frac{56}{3} e^2(x-1)^3 + R(x)$

Where $R(x)$ is the error.

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2 years ago

Which is a solution to the equation y = 5x + 1

bija089 [108]

Answer:

(5,26)

Step-by-step explanation:

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2 years ago

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The side length of a square ice cube is claimed to be 1.0 inches, correct to within 0.001 inch. Use linear approximation to esti

Olenka [21]

Answer:

0.012

Step-by-step explanation:

Linear approximation says that,

$f(x) \approx f(x_o)+f'(x_o)(x-x_o)$

For a cube the surface area is $6x^2$ .

So the side is 1.0 inch in, the surface area is $=6\times1^2 = 6$ square inches.

In Linear approximation means you ignore the term $x_o^2$ , if $x_o$ is a small number, because then $x_o^2$ will be a very smalle number and that does not contribute much to the error.

So the surface area is approximately,

$6x^2=6x_o^2+12x_o(x-x_o)$

So here, $x=1.001, x_o=0.001$

The error in the area is approximately,

$12 \times 0.001=0.012$

So the error is 0.012.

3 0

2 years ago