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4 years ago

HELLLLLLLLLLLPPPP. I have a test on this on friday and I need to understand it!

Mathematics

1 answer:

kramer4 years ago

5 0

Answer:

The smallest number n could be is 64.

Step-by-step explanation:

35 + 64 = 99

64/8 = 8

$\sqrt{64+225}$ = √289 = 17

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Solve this please. (Number 3)

svetlana [45]

Answer:23

Step-by-step explanation:

3 0

3 years ago

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6.141359<br><br> How I can round to the nearest ten-thousandth

Dvinal [7]

Answer:

6.1414

Step-by-step explanation:

The ten-thousandth is in the fourth place after the decimal point, then add the rounding rule, (4 or lower, do nothing. 5 and up, round up) and you get 6.1414

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3 years ago

The length of a rectangle is 5 in. more than 3 times its width. The quadratic function f(x) = x(3x + 5) represents the area of t

saveliy_v [14]

F(x)=x(3x+5)
or
f(x)=3x²+5x
Here the domain in general is: -∞<x<∞
But the length of the rectangle cannot be negative, therefore the domain is all real numbers greater than zero.

Option D is correct.

5 0

3 years ago

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Determine whether the given equation has one solution, no solution, or infinitely many solutions: 4x+10=2(2x+5)

murzikaleks [220]

if we distribute 2(2x+5), we'll end up with 4x + 10, so in short, the right-hand-side, is really the left-hand-side in disguise.

and since 4x + 10 = 4x + 10, both equations are equal, meaning in short, the system has an infinite number of solutions.

4 0

3 years ago

Find the measure of . (to the nearest tenth) PLEASE I NEED HELP :((

Kobotan [32]

Answer:

Step-by-step explanation:

This is classic right triangle trig. First decide how each side is related to the angle theta. The side 7.7 is opposite the angle theta, while the side 14 is adjacent. That is the tangent ratio by definition. Setting up the tan ratio:

$tan\theta=\frac{7.7}{14}$

To find a missing angle on your calculator, hit the 2nd button, then the tan button and enter in 7.7/14 and hit enter. You should get an angle measure of 28.8°

If you did not get 28.8 then you are probably in radians. Check it in the "mode" of your calculator.

7 0

3 years ago