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taurus [48]
3 years ago
13

What is -4.15 as a fraction

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
3 0
-83/20 or -4 3/20. The first one is an improper fraction and the second on is the mixed fraction.
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Why did most ancient cultures primarily write out their mathematical text in words
morpeh [17]
To understand the answer better.
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3 0
4 years ago
Factorize fully 12x^3-4x^2
serg [7]

Answer:

4x² (3x - 1)

Step-by-step explanation:

→ Find the LCM of 12 and 4

LCM = 4

→ Find the LCM of x³ and x²

LCM = x²

→ Combine both LCM's together to form the outside multiplier

4x² (? - ?)

→ Complete the operations of 12x³ ÷ 4x² to find the first ? and 4x² ÷ 4x² to find the second ?

12x³ ÷ 4x² = 3x

4x² ÷ 4x² = 1

→ Therefore,

∴ 4x² (3x - 1)

4 0
3 years ago
The total of two numbers is 28. Four times the smaller number is 7 more than three times the larger number.
navik [9.2K]
Let's define:
x \ \textless \ y

So, you can set up a system of equations:
x + y = 28
4x = 7 + 3y

Now, to solve for both of those values, solve the system of equations:
x = 28 - y
4(28-y) = 7+3y
122-4y=7+3y
115 -4y = 3y
115 = 7y
y = 16.43

Now, plug that y-value into the first equation to solve for x:
x + 16.43=28
x = 11.57

Now, we have both the values. The smaller value (x) = 11.57 and the bigger value (y) = 16.43.
3 0
4 years ago
Which set of angle measures CANNOT be the angle measures of a triangle? *
Lera25 [3.4K]

Answer:

A

Step-by-step explanation:

All triangles have 180 degrees, these set of measures do not add up to 180°. They add up to 181°, so it is the answer.

6 0
3 years ago
Read 2 more answers
WHy does the eart roteate
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Since gravity pulls inward from all directions equally, the amorphous clump, if massive enough, will eventually become a round planet. Inertia then keeps that planet spinning on its axis unless something occurs to disturb it. "The Earth keeps spinning because it was born spinning,"
3 0
3 years ago
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