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2 years ago

13

Television sizes are usually described by the length of their diagonal measure. What would be the listed size of the Tv whose wi

dth is 45inches and height is 26 inches

1 answer:

wel2 years ago

7 0

Answer:

50 or 55

Step-by-step explanation:

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What's the slope of -4,6 and 3,-8

notsponge [240]

Answer:

The slope is -2

Step-by-step explanation:

(-4,6) (3,-8)

(y₂ - y₁) / (x₂ - x₁)

((-8) - (6)) / ((3) - (-4))

(-8 - 6) / (3 + 4)

-14/7 = -2

4 0

3 years ago

The graph of the function f(x) = –(x + 6)(x + 2) is shown below.Which statement about the function is true?

LekaFEV [45]

Answer:

The first statement is true.

Step-by-step explanation:

The function is f(x) = - (x + 6)(x + 2)

⇒ f(x) = - x² - 8x - 12

Now, condition for a function f(x) to be increasing at x = a is f'(a) > 0.

Now, f(x) = - x² - 8x - 12

⇒ f'(x) = -2x - 8 {Differentiating with respect to x}

Now, f'(a) = -2a - 8 {Here a can be any real value}

And, the condition for increasing function at x = a is

- 2a - 8 > 0

⇒ - 2a > 8

⇒ a < - 4

Therefore, the first statement is true i.e. the function is increasing for all real values of x where x < – 4. (Answer)

4 0

3 years ago

Simplify 3<br><img src="https://tex.z-dn.net/?f=%203%20%7B%7D%5E%7B2%7D%20" id="TexFormula1" title=" 3 {}^{2} " alt=" 3 {}^{2} "

scoundrel [369]

3^2=9 three to the power of two equals nine

6 0

3 years ago

Please help meeeeeeeee

Novay_Z [31]

Answer: with what

Step-by-step explanation:

7 0

3 years ago

A commercial jet and a private airplane fly from Denver to Phoenix. It takes the commercial jet 1.1 hours for the flight, and it

FinnZ [79.3K]

Answer:

The speed of the private airplane is 770 mph, the speed of the commercial airplane is 980 mph.

Step-by-step explanation:

Let x mph be the speed of private airplane. If the speed of the commercial jet is 210 miles per hour faster than the speed of the private airplane, then the speed of commercial airplane is (x+210) mph.

It takes the commercial jet 1.1 hours for the flight, then it covered the distance of

$1.1(x+210)\ miles$

It takes the private airplane 1.8 hours for the flight, then it covered the distance of

$1.8x\ miles.$

The distances are the same, so

$1.1(x+210)=1.8x\\ \\1.1x+231=1.8x\\ \\1.8x-1.1x=231\\ \\0.7x=231\\ \\7x=2,310\\ \\x=770$

The speed of the private airplane is 770 mph, the speed of the commercial airplane is 770 + 210 = 980 mph.

3 0

3 years ago

Read 2 more answers