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Talja [164]
3 years ago
9

Give answer as a fraction

Mathematics
2 answers:
FromTheMoon [43]3 years ago
7 0

Answer:

1/6 or 16%

Step-by-step explanation:

There is a total of 150 students 87 boys and 63 girls

We see their is 25 boys with red hair

So we divide that amount by the total 25/150

We get 16% or 1/6

MARK AS BRAINLIEST

sdas [7]3 years ago
7 0

Answer:

\frac{19}{44}

Solution,

Red haired boys=19

Red haired girls= 25

Total =19+25=44

Now,

Fraction of red haired boys:

\frac{19}{44}  \\

hope this helps...

Good luck on your assignment..

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Jeremy walks into a video arcade with a pocketful of quarters. He spends them at a rate of four every quarter hour until he runs
sdas [7]
The answer is A as he has all of the quarters when he spends no time in the arcade
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3 years ago
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Let R = [ 0 , 1 ] × [ 0 , 1 ] R=[0,1]×[0,1]. Find the volume of the region above R R and below the plane which passes through th
Bond [772]

The three vectors \langle0,0,1\rangle, \langle1,0,8\rangle, and \langle0,1,9\rangle each terminate on the plane. We can get two vectors that lie on the plane itself (or rather, point in the same direction as vectors that do lie on the plane) by taking the vector difference of any two of these. For instance,

\langle1,0,8\rangle-\langle0,0,1\rangle=\langle1,0,7\rangle

\langle0,1,9\rangle-\langle0,0,1\rangle=\langle0,1,8\rangle

Then the cross product of these two results is normal to the plane:

\langle1,0,7\rangle\times\langle0,1,8\rangle=\langle-7,-8,1\rangle

Let (x,y,z) be a point on the plane. Then the vector connecting (x,y,z) to a known point on the plane, say (0, 0, 1), is orthogonal to the normal vector above, so that

\langle-7,-8,1\rangle\cdot(\langle x,y,z\rangle-\langle0,0,1\rangle)=0

which reduces to the equation of the plane,

-7x-8y+z-1=0\implies z=7x+8y+1

Let z=f(x,y). Then the volume of the region above R and below the plane is

\displaystyle\int_0^1\int_0^1(7x+8y+1)\,\mathrm dx\,\mathrm dy=\boxed{\frac{17}2}

6 0
3 years ago
Solve the equation.<br> -13 = 2b - b - 10
astra-53 [7]

Answer:

b = -3

Step-by-step explanation:

-13 = 2b - b - 10

Add 10 to both sides of the equation

-3 = 2b - b

Subtract 2b - b

-3 = b

b = -3

Hope this helps :)

6 0
3 years ago
If r=10 and s=31, find R. Round to the nearest tenth.
mars1129 [50]

Answer:

C. R = 17.9 degrees

Step-by-step explanation:

We have a rectangle triangle with the adjacent side and the opposite side (neither of which are the hypotenuse).

The relation between those elements is the tangent:

tan(angle) = \frac{Opposite side}{Adjacent side}

So, to isolate the angle, we modify the formula as such:

angle = arctan(\frac{Opposite side}{Adjacent side}) = arctan(\frac{10}{31}) = arctan(0.3225) = 17.87

If we round 17.87 degrees to the tenth... we get 17.9 degrees.

5 0
3 years ago
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You gave the server at a restaurant a 22% tip and ended up paying $41.48. What was the price of your meal before you applied the
const2013 [10]

Answer: The price of meal before the tip = $34.

Step-by-step explanation:

Given : The percentage of tip = 22% = 0.22 ( we divide a percentage by 100 to convert it into decimal)

Total amount paid ( including tip) =  $41.48

Formula for Total bill = Price of meal + Tip amount , where Tip amount= 22% of Price of meal.

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⇒ $41.48= x(1+0.22)  [ By distributive property]

⇒ $41.48 = x (1.22)

⇒ x= ($41.48) ÷ 1.22

⇒ x= 34

Hence, the price of your meal before you applied the tip = $34.

7 0
3 years ago
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