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Lorico [155]
2 years ago
11

A letter that represents a number is called

Mathematics
2 answers:
Karo-lina-s [1.5K]2 years ago
3 0

Answer:

variable. a symbol, usually a letter, that represents one or more numbers. variable expression. hope this helps

Step-by-step explanation:

sukhopar [10]2 years ago
3 0

Answer:

Hello!!

A letter that represents a number is called a <u>variable.</u>

Hope this helps!!

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Please help me!!! (Can you also explain)
Romashka-Z-Leto [24]

Answer:

$3600 per year into savings

Step-by-step explanation:

He makes 1500 dollars a month

1/5 of that goes into saving

1/5*1500 = 300

300 per month goes into savings

We want to know how much goes into savings per year

There are 12 months in a year, so we need to multiply by 12

300 per month * 12 months/ year = 3600  per year

$3600 per year into savings

5 0
3 years ago
Read 2 more answers
The polynomial equation x^3+x^2=-9x-9 has complex roots +/-3i What is the other root? Use a graphing calculator and a system of
Ierofanga [76]
  For this case what you can do is factorize the <span>polynomial equation</span>, which would be left like follows
 x ^ 3 + x ^ 2 + 9x + 9 = 0
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 Resolving, we have that the missing root is
 x = -1
 Answer
 x=-1
7 0
3 years ago
How do you find the area of a triangle?
guapka [62]
The formula to find the area of a triangle is

\frac{h_{b}b }{2}

If you have any more questions let me know!
7 0
3 years ago
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From Midnight to 6 am the temperature rose 8 degrees C. At 6 am the temperature was -21 degrees C. What was the temperature at m
Alika [10]
Hello!

We know that from midnight to 6am the temperature went up 8° and at 6am it was -21°

To find what it was at midnight we have to work backwards

Since it went up we have to subtract 8 from -21

-21 - 8 = -29

The answer is -29°C

Hope this helps!
7 0
2 years ago
Read 2 more answers
Water has a density of about 0.0361 pounds/cubic inch. You might know that wood floats on water. What can you conclude about the
masya89 [10]

Answer:

Step-by-step explanation:

Objects that float on water have densities less than the density of water; those that do not float on water have densisties greater than the density of water:

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Do not float on water:  d > 0.0361 lb/in³

7 0
2 years ago
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