Convert 1 to a percent then determine that percent of 9.876

Mathematics

2 answers:

bagirrra123 [75]4 years ago

4 0

I’m not sure if I understood the question correctly but I think the answer is 0.09876

Alex787 [66]4 years ago

4 0

The answer is 0.01 because you have to divide 1% = 0.01

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The measure of an angle exceeds 6 times its supplement by 5. find the measure of the angle

MArishka [77]

Supplementary angles must add to 180 degrees. Let x and y be the measure of the two angles.

y= 6x+5
x+y=180

Substitute y
x+6x+5=180
7x+5=180
7x=175
x=25

Plug the value of x in
25+y=180
y=155

Final answer: 155 degrees

4 0

3 years ago

Help me please, I need help I don’t understand this problem

jarptica [38.1K]

The maximum speed of a boat at 30 feet length of water is 0.093 nautical miles/hour or knots.

<u>Step-by-step explanation:</u>

The equation for the maximum speed, s is given by s²= (16/9)x
where, x is the length of the water line in feet.

It is given that, the modeled equation s²= (16/9)x is used to find the maximum speed in knots or nautical miles per hour.

The question is asked to find the maximum speed when the length of the water is 30 feet.

Therefore, to find the maximum speed in 30 feet water, the given modeled equation is used. So, substitute the 30 feet in place of x.

<u>Now, calculating the maximum speed :</u>

s² = (16/9)(30)

s² = 480 / 9

s² = 53.3

Taking square root on both sides,

s = √53.3

s = 7.3

The maximum speed of a boat at 30 feet length of water is 7.3 nautical miles/hour or knots.

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4 years ago

Which constants can be multiplied by the equations so one variable will be eliminated when the systems are added together?

nordsb [41]

The first to solve x, because it eliminates y. Third one to solve y, because it eliminates x.

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4 years ago

Pls help or explain steps

Tems11 [23]

Solving for a variable means to rewrite the equation so that the desired variable is alone on one side. So, we have to "move" all the other variables/constants in order to make this happen. We are allowed to add/subtract the same quantity from both sides, or to multiply/divide both sides by any non-zero number.

Let's start with the first example: we are given

11. $d=rt$

the variable $r$ is not alone on the right hand side because it is multiplied by $t$ . We can reverse this by dividing both sides by $t$ : the equation becomes

$\dfrac{d}{t}=\dfrac{rt}{t}=r$

So, we have written the equation as $r=\frac{d}{t}$ , which means that $r$ now sits alone on one side of the equation, and thus we have solved the equation for $r$ !