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xxMikexx [17]
3 years ago
6

Solve the equation: x3−20=−15

Mathematics
2 answers:
Jlenok [28]3 years ago
8 0

Answer:

1 2/3

Step-by-step explanation:

3x-20= -15

   +20   +20

3x = 5

= 1 2/3

Hope This Helps!

stich3 [128]3 years ago
7 0

Answer:

x = 1.71

Step-by-step explanation:

x^3-20=-15\\x^3=-15+20\\x^3=5\\\sqrt[3]{x^3} =\sqrt[3]{5} \\x=1.71

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when rounded to the nearest hundred the number of pupils in a school is 1800 what are the smallest and largest numbers of pupils
barxatty [35]
1749 should be rounded to 1700 because 1749 is closer to 1700 than to 1800

1750 should be rounded to 1800 because it is equally close to 1700 and 1800, and so you apply the rule than when the number to round finish in 5 you round to the next upper number.

Now, if you apply the same 1849 should be tha greater number that when rounded to hundreds becomes 1800.

So, the smalles and largest numbers of pupils there could be in the school are 1849 and 1750, respectively.
5 0
4 years ago
Graphing inequalities in two variables
Pachacha [2.7K]
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Is (1, 2) a solution to the inequality
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2+5>?1

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picture44
4 0
3 years ago
A pitcher is full of lemonade. Which unit of liquid volume best describes the amount of lemonade in the pitcher? Explain.
stira [4]
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7 0
3 years ago
How many kilometers are in 765 yards? 1 yard = 3 feet 1 mile = 5,280 feet 1 kilometer = 0.621 miles
luda_lava [24]

Answer:

There are 0.70km in 765 yards.

Step-by-step explanation:

This is a problem of conversion of units, that can be solved by multiple rule of three's.

The first step is converting 765 yards to feet. We have that each yard has 3 feet, so

1 yard- 3 feet

765 yards - x feet

x = 765*3

x = 2295

So, in 765 yards there are 2295 feet.

Now, we have to convert 2295 feet to miles. Each mile has 5280 feet, so:

1 miles - 5280 feet

x miles - 2295 feet

5280x = 2295

x = 0.435 miles

So, in 765 yards there are 2295 feet which is 0.435 miles

Now, the final step is converting from miles to kilometers. Each km has 0.621 miles, so:

1km - 0.621 miles

xkm - 0.435 miles

0.621x = 0.435

x = 0.70km

So, there are 0.70km in 765 yards.

7 0
3 years ago
Tucker's class took a field trip to the art museum. They left school at 7:45 A.M. It took them 1 hour to drive to the museum. Th
Ganezh [65]

Answer:

I think they left at 1:45 hope this helped!

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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