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2 years ago

Help asap! will award brainly and pls explain!

Mathematics

1 answer:

cluponka [151]2 years ago

3 0

This is a right angle triangle.

So, by Pythagoras theorem,

√(32^2+20^2) = x

or √(1024+400) = x

or √1424 = x

or <em>37.74 = x</em>

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HCF of the numbers divisible be<br> 3 between 21 and 30 is ___

blsea [12.9K]

Answer:

Step-by-step explanation:

Numbers between 21 and 30 divisible by 3 are 24 and 27. so you get the HCF of the two.

3 0

3 years ago

Complete the factored form.<br>3x4 + 16x + 21 = (3x + 7)( )

jekas [21]

Answer:

x+3

Step-by-step explanation:

21=7x3. Hence answer is 3

8 0

3 years ago

If a cone shaped vase can hold 45 cubic centimeter of water and has a radius of 2 centimeters what is the height of the vase use

xz_007 [3.2K]

Answer:

The height of the vase is $h=10.75\ cm$

Step-by-step explanation:

we know that

The volume of a cone is equal to

$V=\frac{1}{3}\pi r^{2} h$

we have

$V=45\ cm^{3}$

$r=2\ cm$

$\pi =3.14$

substitute and solve for h

$45=\frac{1}{3}(3.14)(2)^{2} h$

$135=(3.14)(4)h$

$135=12.56h$

$h=135/12.56$

$h=10.75\ cm$

3 0

3 years ago

Is (-2, -6) a solution to this system of equations? 3x + 18y = -14 15x − 7y = 12 yes no

soldi70 [24.7K]

Answer:

Step-by-step explanation:

Plug in (-2, -6) to see if it's the solution or not

3(-2) + 18(-6) ? -14

-6 + ( -108) ? -14

-114 ≠ -14

Answer is NO

6 0

3 years ago

I need the reasoning?

morpeh [17]

Answer:

2. This is only true when x=-3.

3. This is only true when x=3.

4. This is only true when x=12.

5. This has no solution.

6. This has an infinite number of solutions.

6 0

3 years ago