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kirill [66]
3 years ago
13

The Serenity and the Mystic are sailboats. The Serenity and the Mystic start at the same point and travel away from each other i

n opposite directions. The Serenity travels at 12 mph and the Mystic travels at 22 mph. How far apart will they be in 4 hours
100 points if anwserd
plzzzzz
Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
4 0

Answer:

136 miles

Step-by-step explanation:

distance after 4 hours for Serenity = 12 x 4 = 48 miles

distance after 4 hours for Mystic = 22 x 4 = 88 miles

88 + 48 = 136

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Darien is discounting all prices on the sales for 20%. Which expression below represents the price, p, of any item he marks down
Dominik [7]

Answer: C. 0.8p

Step-by-step explanation:

Since Darien is discounting the prices by 20%, the new price will be 80% of the original price, or 0.8 times the original price

7 0
3 years ago
Shashi Rimoko earns $620 per week as a chef. He has group
finlep [7]

Out of the weekly amount that Shashi Rimoko makes, a deduction of $37.93 is made for insurance.

The total Medical cost is $9,560 and out of this, the amount paid by Shashi per year is:

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= 9,560 x ( 1 - 80%)

= $1,912

The amount he pays for Dental coverage is:

<em>= Amount x (1 - percentage paid by restaurant)</em>

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= 1,972.20 / 52

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<em>Find out more at brainly.com/question/16711490.</em>

4 0
2 years ago
Solve the system by using the technique of ‘elimination’: -2x+5y=-42,7x+2y=30
Gekata [30.6K]

Solve the following system using elimination:

{5 y - 2 x = -42 | (equation 1)

7 x + 2 y = 30 | (equation 2)

Swap equation 1 with equation 2:

{7 x + 2 y = 30 | (equation 1)

-(2 x) + 5 y = -42 | (equation 2)

Add 2/7 × (equation 1) to equation 2:

{7 x + 2 y = 30 | (equation 1)

0 x+(39 y)/7 = (-234)/7 | (equation 2)

Multiply equation 2 by 7/39:

{7 x + 2 y = 30 | (equation 1)

0 x+y = -6 | (equation 2)

Subtract 2 × (equation 2) from equation 1:

{7 x+0 y = 42 | (equation 1)

0 x+y = -6 | (equation 2)

Divide equation 1 by 7:

{x+0 y = 6 | (equation 1)

0 x+y = -6 | (equation 2)

Collect results:

Answer: {x = 6, y = -6

3 0
3 years ago
What is a percentage increase of 19.50 to 22.50
Inga [223]
To find the <span>percentaje</span> we need to <span>divided</span> the <span>tataol</span> by the amount we end up having.

22.50/19.50=1.15 
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115% 
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4 0
3 years ago
X+3/2 - X-2/2 = 1 Hence find p, if 1/X + p = 1​
jek_recluse [69]

Answer:

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Step-by-step explanation:

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