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vampirchik [111]
3 years ago
9

20 POINTS! Which of the following equations shows how substitution can be used to solve the following system of equations?

Mathematics
1 answer:
natima [27]3 years ago
5 0

Answer:

Is there a photo or no  

Step-by-step explanation:

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Simplify 28/72 please real quick I need help
Novosadov [1.4K]

Answer:

7/18

Step-by-step explanation:

\frac{28}{72} /\frac{4}{4} =\frac{7}{18}

7 is prime, so this can not be simplified further (since 18 is also not divisible by 7).

8 0
3 years ago
PLSSSSSS HELPPPPPPP FAST WILL GIVE BRAINLIEST IF CORRECT!!<br><br> ITS IREADY PLLSSSS HELPP!!
USPshnik [31]

Answer:

3m^4

second one

this ^ means exponent

Step-by-step explanation:

7 0
2 years ago
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Calvin earned $1,425 dollars by working five days in a week . He also received a bonus of $200.What is the average amount that h
DENIUS [597]

Answer:  Average amount that he earned per day =$325

Explanation:

Amount Calvin earned by working five days in a week = $1425

Amount he received a bonus = $200

Total amount earned in a five days  is given by

= \$1425+\$200\\=\$1625

Average amount that he earned per day =\frac{ \text{Sum of observation}}{\text{Total number of observation}}

So, Average amount that he earned per day is given by

=\frac{1625}{5}\\=\$325

3 0
3 years ago
88 feet/second = 60 miles/hour. How many feet per second is 1 mile? (Hint: divide both side of the equation by the same amount.)
zalisa [80]

Answer:

1 mile/hour is equivalent to 1.47 feet/seconds

Step-by-step explanation:

Given

88 ft/s= 60 miles/hr

Required

Determine the equivalent of 1 mile/hour

88\ ft/s= 60\ miles/hr

Express 60 as 60 * 1

88\ ft/s= 60 * 1\ mile/hr

Divide both sides by 60

\frac{88\ ft/s}{60}= \frac{60 * 1\ mile/hr}{60}

\frac{88\ ft/s}{60}= 1\ mile/hr

Reorder

1\ mile/hr = \frac{88\ ft/s}{60}

Divide 88 by 60

1\ mile/hr = 1.46666666667\ ft/s

Approximate to 3 significant figures

1\ mile/hr = 1.47\ ft/s

Hence;

1 mile/hour is equivalent to 1.47 feet/seconds

8 0
2 years ago
Is 1.3 less or greater then 1 3/5
allsm [11]

Answer:

less

Step-by-step explanation:

because 1.3= 1 3/10 and 1 3/5 is equal to 1 6/10 there for it less than

8 0
3 years ago
Read 2 more answers
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