3 years ago

What is the greatest possible error when measuring to the nearest quarter of an inch?

Mathematics

1 answer:

SOVA2 [1]3 years ago

4 0

When trying to round off the answer

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Which of the equations below could be the equation of this parabola?

Mademuasel [1]

Answer:

Option B: $y = -\frac{1}{2} x^2$

Step-by-step explanation:

The parabola has its concavity downwards, so we need a function in the model:

$y = ax^2 + bx + c$

With a negative value of 'a'

The vertex is (0,0), so we have that:

$0 = 0a + 0b + c$

$c = 0$

The x-coordinate of the vertex is given by the equation:

$x\_vertex = -b/2a$

$-b/2a = 0$

$b = 0$

So we have a function in the model:

$y = ax^2$

With a < 0

The only option with this format is B:

$y = -\frac{1}{2} x^2$

7 0

3 years ago

10^1 has what place value?

Oxana [17]

It is in the ten's place. hope that helped

6 0

3 years ago

Read 2 more answers

Given z=4+3i evaluate z

DerKrebs [107]

Answer:

Step-by-step explanation:

Assuming we want to evaluate |z|, given that, z=4+3i.

Then, by definition of modulus,

$|x + yi| = \sqrt{ {x}^{2} + {y}^{2} }$

$|4+ 3i| = \sqrt{ {4}^{2} + {3}^{2} }$

$|4+ 3i| = \sqrt{ 16+ 9 } \\ |4+ 3i| = \sqrt{25 } \\ |4+ 3i| = 5$

Therefore the modulus be of the given complex number is 5 units

5 0

3 years ago

(03.01 LC)

Lynna [10]

Answer: root of 18
9+9=x^2
18=x^2
x = 3 root of 2 or root of 18

5 0

3 years ago

A triangle has sides length of 12cm 35cm 37cm is it a acute obtuse or right ?

svetoff [14.1K]

The correct triangle is right

5 0

3 years ago