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3 years ago

Share 72 sweets in the ratio 8:1

2 answers:

8 0

To find the value of you change the ratio to 8/1 or 8 and

Now divide 72 by the total number.

72/8 = 9

<span>Answer = 9</span>

nexus9112 [7]3 years ago

7 0

To find the value of 1 out of all pieces divided, add the ratios.
8+1= 9

Now divide 72 by the total number.

72/9 = 8 (the value of one 1 unit)

Now to find the value of 8 units= 8*8 = 64

Value of 1 unit= 8

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josh got 20% discount at a sale. He got a new shirt for $12. what was the original price of the shirt

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Answer:

$15.00

Step-by-step explanation:

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“Solve the system using elimination” im not good at math so can someone help me

iris [78.8K]

Answer:

No solutions

Step-by-step explanation:

i did this via substitution so i hope it isn't a problem

3x+y=4

6x+2y=−4

Step: Solve 3x+y=4for y:

3x+y+−3x=4+−3x(Add -3x to both sides)

y=−3x+4

Step: Substitute−3x+4foryin6x+2y=−4:

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3 years ago

Find |−3/5|+3/4. Write your answer as a mixed number in simplest form.

cricket20 [7]

Answer:

1 7/20

Step-by-step explanation:

|-3/5|+3/4= 3/5+3/4

= 27/20

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3 years ago

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Which geometric figure has the greatest perimeter?

Fofino [41]

Answer:

Triangle has the greatest perimeter

Step-by-step explanation:

Triangle:

$2\sqrt{48}=2\sqrt{2*2*2*2*3}=2*2*2\sqrt{3}=8\sqrt{3}\\\\\\3\sqrt{75}=3*\sqrt{3*5*5}=3*5*\sqrt{3}=15\sqrt{3}\\\\\\6\sqrt{12}=6*\sqrt{2*2*3}=6*2*\sqrt{3}=12\sqrt{3}\\\\\\2\sqrt{108}=2*\sqrt{2*2*3*3*3}=2*2*3*\sqrt{3}=12\sqrt{3}\\\\\\3\sqrt{147}=3*\sqrt{3*7*7}=3*7\sqrt{3}=21\sqrt{3}\\\\Perimeter=3\sqrt{147}+2\sqrt{108}+6\sqrt{12}+2\sqrt{48}+3\sqrt{75}\\\\ =21\sqrt{3}+12\sqrt{3}+12\sqrt{3}+8\sqrt{3}+15\sqrt{3}\\\\=(21+12+12+8+15)\sqrt{3}\\\\=68\sqrt{3}\\$

= 68 * 1.732 = 117.78

Square:

$\frac{1}{3}\sqrt{63}=\frac{1}{3}\sqrt{3*3*7}=\frac{1}{3}*3*\sqrt{7}=\sqrt{7}\\\\Perimeter=4*side=4*\sqrt{7}=4\sqrt{7} = 4* 2.6458 = 10.58$

Rectangle:

$\frac{1}{4}\sqrt{100}=\frac{1}{4}\sqrt{10*10}=\frac{1}{4}*10=\frac{5}{2}\\\\\\Perimeter=\frac{1}{4}\sqrt{100}+2\sqrt{48}+4\sqrt{75}+\frac{1}{4}\sqrt{100}+2\sqrt{48}+4\sqrt{75}\\\\=\frac{5}{2}+8\sqrt{3}+20\sqrt{3}+\frac{5}{2}+8\sqrt{3}+20\sqrt{3}\\\\=\frac{5+5}{2}+(8+8+20+20)\sqrt{3} \\\\=\frac{10}{2}+56\sqrt{3}+\\\\=5+56\sqrt{3}\\\\=5+56*1.732=5+96.99=102$

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3 years ago

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Shtirlitz [24]

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