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3 years ago

PLS HELP I BEG I WILL AWARD BRANLIEST.

Mathematics

1 answer:

alexira [117]3 years ago

5 0

What angle are we trying to find?? show the question

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Select all the equations that are true. 24 x − 8 = 8 ( 3 x − 1 ) 24 x − 8 = 8 ( 3 x − 1 ) 6 m − 15 = 3 ( 2 m − 5 ) 6 m − 15 = 3

galina1969 [7]

Answer:

$24x - 8 = 8 ( 3 x - 1 )$

$6 m - 15 = 3 ( 2 m - 5 )$

$-7 x - 1 = - 1 ( 7 x + 1 )$

$-8 x -12 y - 16 = - 4 ( 2 x + 3 y + 4 )$

Step-by-step explanation:

Required

Select which of the equation is true

$24x - 8 = 8 ( 3 x - 1 )$

Open the bracket on the right hand side

$24x - 8 = 8 * 3 x - 8 *1$

$24x - 8 = 24x - 8$

Both sides of the equation are equal.

Hence, this equation is true

$6 m - 15 = 3 ( 2 m - 5 )$

Open the bracket on the right hand side

$6m - 15 = 3 * 2m - 3 * 5$

$6m - 15 = 6m - 15$

Both sides of the equation are equal.

Hence, this equation is true

$-7 x - 1 = - 1 ( 7 x + 1 )$

Open the bracket on the right hand side

$-7x - 1 = -1 * 7x -1 * 1$

$-7x - 1 = -7x -1$

Both sides of the equation are equal.

Hence, this equation is true

$16 a + 24 b = 8 ( 8 a + 16 b )$

Open the bracket on the right hand side

$16a + 24b = 8 * 8a + 8 * 16b$

$16a + 24b = 64a + 128b$

Both sides of the equation are not equal.

Hence, this equation is false

$-8 x -12 y - 16 = - 4 ( 2 x + 3 y + 4 )$

Open the bracket on the right hand side

$-8 x -12 y - 16 = - 4* 2 x -4 * 3 y -4 * 4$

$-8 x -12 y - 16 = -8x -12y -16$

Both sides of the equation are equal.

Hence, this equation is true

8 0

3 years ago

The volume of this CONE is 175π cubic units.

yulyashka [42]

Answer:

1649.33 units³

Step-by-step explanation:

Let the height and the radius be known as "h" and "r" respectively.

Formulae(s):

Volume of cylinder: πr²h
Volume of cone: πr²h/3

Clearly, we can see that the volume of the cylinder is three times greater than the volume of the cone as,

⇒ πr²h = 3(πr²h/3)
⇒ πr²h = πr²h (True)

Determining the volume of the cylinder;

⇒ Volume of cylinder = Volume of cone × 3
⇒ Volume of cylinder = 175π × 3
⇒ Volume of cylinder = 525π
⇒ Volume of cylinder = 1649.33 units³ (2 d.p)

Therefore, the volume of the cylinder is 1649.33 units³.

6 0

2 years ago

Justify Step 4 of this Proof

Sloan [31]

Answer:

I believe it's SSS

Step-by-step explanation:

This is because all sides are congruent to each other.

8 0

3 years ago

Read 2 more answers

Dan buys 24 packets of nuts. Each packet of nuts weighs 225g. Work out the total weight of all the packets of nuts that dan buys

Vlada [557]

Answer:

Total weight of the nuts bought by Dan = 5.4 kg

Explanation:

Number of packets of nuts bought by Dan = 24

Weight of each packet of nuts = 225g

Total weight of the nuts bought by Dan = Number of packets of nuts bought by Dan * Weight of each packet of nuts

Total weight of the nuts bought by Dan = 24 * 225 = 5400 g = 5400/1000 kg = 5.4 kg

Total weight of the nuts bought by Dan = 5.4 kg

3 0

3 years ago

Help plz //????/////?/????///

murzikaleks [220]

Solution will be anything greater than 21

6 0

4 years ago

Read 2 more answers