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Zielflug [23.3K]

4 years ago

12

PLEASE HELP AND SHOW WORK ILL GIVE BRAINLIEST

1 answer:

Serjik [45]4 years ago

6 0

Answer:

11.3 units

Step-by-step explanation:

backward Pythagoras theorem

c²- b²=a²

12²-4²=a²

144 - 16 = a²

128=a²

√(128)=a\

11.3=a

11.3 units

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12,348 <img src="https://tex.z-dn.net/?f=%5Cpi" id="TexFormula1" title="\pi" alt="\pi" align="absmiddle" class="latex-formula">

Diano4ka-milaya [45]

Answer:

radius of the sphere (r) = 21 units

Step-by-step explanation:

here's the solution : -

=》

$12348\pi = \frac{4}{3} \times \pi \times {r}^{3}$

=》

${r}^{3} = 12348 \times \frac{3}{4}$

( pi cancel out )

=》

${r}^{3} = 9261$

=》

$r = 21$

4 0

3 years ago

50 POINTS !!<br><br><br> PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.

Bas_tet [7]

Answer:

22.05

Step-by-step explanation:

6 0

3 years ago

-5 * 1/-7 * 4/8<br> ........................

Gemiola [76]

Answer:

5/14

Step-by-step explanation:

-5*-1/7*4/8=5/7*4/8=20/56=5/14

8 0

4 years ago

IF YOU KNKW ABOUT THIS PLEASE HELP .... What is the volume of the cone shown below?

bazaltina [42]

Answer:

A. 300π units³

Step-by-step explanation:

Formula for volume of a cone = ⅓πr²h

Where,

radius (r) = ½(10) = 5 units

height (h) = 36 units

Plug in the values and find the volume in terms of π

Volume of the cone = ⅓*π*5²*36

Volume of the cone = 300π units³

6 0

3 years ago

Y = - 2x + 1<br> 2x - 2y = 4<br> Solve systems of equations by substitutions

astraxan [27]

Answer:

x= 1

y= -1

Step-by-step explanation:

y=-2x+1

2x-2y=4

substitute for y

2x-2(-2x+1)=4

reduce

2x+4x-2=4

6x=6

x=1

y= -2(1)+1

y= -1

6 0

3 years ago