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Alekssandra [29.7K]
2 years ago
14

What is the sum -2/3 + (-1 1/6) = -4/6 + (-1 1/6)

Mathematics
1 answer:
Sophie [7]2 years ago
7 0

Answer:

i think its 9 1/4

Step-by-step explanation:

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Tran is solving the quadratic equation 2x2 – 4x – 3 = 0 by completing the square. His first four steps are shown in the table.
Nady [450]
The following steps of solving for the roots of 2x² - 4x -3 = 0 were retrieved from another source Step 1 2x² - 4x = 3 Step 2 2(x² - 2x) = 3 Step 3 2(x² - 2x + 1) = 3 + 1 Step 4 2(x - 1)² = 4 From this, we can see that on Step 3, Tran made a mistake of adding 1 to 3. As we can see, 2(x² - 2x + 1) = 2x² - 4x + 2. That means, instead of adding 1, it should have been 2. Therefore, the step that Tran first made an error is Step 3<span>.</span>
3 0
3 years ago
Read 2 more answers
A person invested 3,900 in an account growing at a rate allowing the money to double every 7 years. How much money would be in t
alina1380 [7]

Answer:

23182 or 23181.5109105

Step-by-step explanation:

8 0
3 years ago
Marty says that if a figure is a rhombus, then it is also a parallelogram and a kite. Tell whether or not Marty is correct, and
Sophie [7]

Answer:Marti is not correct as a rhombus is not a kite . there are various difference between a rhombus and a kite . all sides of a rhombus are equal whereas all sides of a kite are not equal

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Let x = a + bi and y = c + di and z = f + gi
ikadub [295]
True statements:
a) x + y = y + x  ⇒ commutative property of addition
b) (x * y) * z = x * (y * z) ⇒ associative property of multiplication
d) (x + y) + z = x + (y + z) ⇒ associative property of addition

False statements:
c) x - y = y - x  should be: x - y = - y + x
e) (x - y) - z = x - (y - z) should be: (x - y) - z = x - (y + z)
6 0
2 years ago
Read 2 more answers
What is the value of x ?
statuscvo [17]
Here, Sin Ф = P / H
Sin 31 = x / 430
0.515 = x /430 
x = 430 * 0.515
x = 221.45

In short, Your Answer would be 221.45

Hope this helps!
8 0
2 years ago
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