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Inessa [10]
3 years ago
5

Match the terms to their definition.

Mathematics
1 answer:
givi [52]3 years ago
4 0

Answer:

1. The number zero (0) is the additive identity for real numbers as adding it to any real number doesn't change the number.

2. a(b+c) = ab + ac or a(b-c) = ab-ac is the distributive property as a is distributed to b and then c.

3. An Equation with more than one variables is called literal equation. The variables are known in literal equations. These kind of equations are usually used to represent time, distance etc.

4. The number 1 is the multiplicative identity for real numbers as multiplying any real number with 1, other than zero, doesn't change the number.

5. The reciprocal of a number such that x is a number other than zero and 1/x is the reciprocal and the product of x and 1/x is equal to 1 then 1/x is called the multiplicative inverse of x.

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Find the value of x
Novay_Z [31]

Answer:

<em>x=3</em>

Step-by-step explanation:

<u>Angles and Lines</u>

We must recall:

  • The sum of the internal angles of a triangle is 180°
  • Two linear angles add up to 180°

The image shows a triangle and the extension of its base to form two linear angles.

Note from the triangle, angle R is what it takes to get to 180°:

m\angle R=180-25x-(57+x)

From the line SQ, angle R what it takes to get to 180°. Thus:

m\angle R=180-45x

Equating:

180-25x-(57+x)=180-45x

Subtracting 180 and simplifying:

-25x-57-x=-45x

19x=57

Dividing by 19:

x=3

4 0
3 years ago
This is urgent!!!!!!!!!!!!!!!!!!!!
Debora [2.8K]

Answer:

i am not completely sure but i believe the second or third one is the options, sorry i wish i could help more

Step-by-step explanation:

7 0
3 years ago
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Please help i need to finish this!!
s2008m [1.1K]

Answer:

20 inches x 26 inches

Step-by-step explanation:

set up an equation: (2x)(x+7)=520

now just solve it

2x^2+14x=520

x^2+7x-260 = 0

factor: (x-13)(x+20)

x = 13 and -20

13 is the only one that works because you can't have a negative side length

13+7=20

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5 0
3 years ago
Here is another problem that can also be solved by working backwards.
g100num [7]
According to my brain, Maddy picked 6 cucumbers.
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Year Cash Flow (A) Cash Flow (B)
jeka57 [31]

Answer:

2.46

3.63

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236,551.79

35.39

34.31

B

Step-by-step explanation:

Explaining it is kind of akward, but I can explain if you want.

Not too sure about the last one, but the rest I feel good about

4 0
3 years ago
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