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nignag [31]
3 years ago
13

42 and 63 as product of their prime factors what is it?

Mathematics
2 answers:
bekas [8.4K]3 years ago
5 0
42 = 2 x 3 x 7
63 = 3 x 3 x 7
yuradex [85]3 years ago
4 0
Hello,
42=2×3×7 and 63=3×3×7

bye :-)
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Need help fast plz for my pre calc exam
bezimeni [28]

Answer:

<em>h = 8.54 units</em>

Step-by-step explanation:

<u>The Law of Cosines </u>

It relates the length of the sides of a triangle with one of its internal angles.

Let a,b, and c be the length of the sides of a given triangle, and x the included angle between sides a and b, then the following relation applies:

c^2=a^2+b^2-2ab\cos x

Since we know the values of all three side lengths, we solve the equation for x:

\displaystyle \cos x=\frac{a^2+b^2-c^2}{2ab}

For the triangle ABC in the image, a=10, b=15, c=13, thus:

\displaystyle \cos A=\frac{10^2+15^2-13^2}{2*10*15}

\displaystyle \cos A=\frac{156}{300}

\displaystyle \cos A=0.52

Thus, A = 58.67°

For the right triangle of height h and hypotenuse 10, we use the sine ratio:

\displaystyle \sin 58.67^\circ=\frac{h}{10}

Solving for h:

h = 10\sin 58.67^\circ

h = 8.54 units

6 0
3 years ago
A 3 L bottle of oil costs $36 and contains 12 cups. Dinesh puts 1 cup of oil, 10 garlic gloves and 1 cup of lemon juice in each
lys-0071 [83]

Answer:

$15

Step-by-step explanation:

Let's start by figuring out how much 1 cup of oil costs.

12 cups of oil is 36$

Let's set up a proportion.

12/36=1/x

Cross Multiply

12x=36

Divide both sides by 12.

x=3

1 cup of oil is $3.

Dinesh makes 5 batches of hummus, and each batch requires 1 cup of oil.

5*1=5

This means he needs 5 cups of oil.

5*3=15

He used $15 worth of oil in the 5 batches of his recipe.

However, since it is impossible to buy 5/12 bottles of oil, he would have needed to spend $36.

7 0
3 years ago
A sphere and a cylinder have the same radius and height. The volume of the cylinder is 11 ft.
lesantik [10]

Answer:

length times width times height

Step-by-step explanation:

4 0
2 years ago
In this equation where did the number three come from if anyone can explain to me be great because I am completely confused
lianna [129]

Answer:

The multiplication of 3

Step-by-step explanation:

when you see the 3(6y+1), it basically means multiply the 3 with the 6y and the 1. Therefore, it would be 18y+3

:D

6 0
2 years ago
Read 2 more answers
3/8 divided by 10 1/2
kenny6666 [7]
I think that it is 0.035 or 3/100
5 0
3 years ago
Read 2 more answers
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