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3 years ago

Petra invested $6,000 at 6.5% simple interest for 3 years. Martin invested $6,000 at

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

7 0

5% !!!!!!!!!!!!!!!!!!!

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If a(x) = 2x - 4 and b(x) = x + 2, which of the following expressions produces a quadratic function

Rina8888 [55]

Answer:

Step-by-step explanation:

Multiplying a(x) and b(x) together results in a quadratic equation (a trinomial). This trinomial looks like (a·b)(x) = (2)(x - 2)(x + 2). Note that this is a "special product;" (2)(x^2 - 4); there is no middle term.

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3 years ago

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Can you draw trapezoid three right angles

Hunter-Best [27]

Its impossible to draw a trapezoid with just three right angles.

a trapezoid has 4 sides, which means all the angles inside the trapezoid must add up to 360 degrees.

if you have just 3 right angles (90x3), you already use up 270 degrees. Leaving you with just 90 degrees left, which is also a right angle. That means, there has to be four, if you have at least 3.

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3 years ago

How many decimal places are in the product of 1.91 and 2.3?

san4es73 [151]

Answer:

Step-by-step explanation:

2+1 = 3

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2 years ago

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In one jar, I have two balls labelled 1 and 2 respectively. In a second jar, I have three balls labelled 0, 1 and 2 respectively

PolarNik [594]

Step-by-step explanation:

this is a kind of trick question, actually.

with whatever we draw, we produce X values as power of 3.

to be precise, we can have only

3⁰ = 1

3¹ = 3

3² = 9

3⁴ = 81

due to the possible combinations of drawn numbers (e.g. 3 cannot be created by a multiplication of 0s, 1s and 2s).

so, mostly, these results cannot be exact factors of 1024.

1024 cannot be divided by 3, nor by 9 nor by 81.

but 1024 is a multiple of 1 (as is every number).

so, we are looking at the probability to get 0 as multiplication result of the numbers on the 2 drawn balls.

the only possibilities are

1 and 0

2 and 0

out of in total 6 (2×3) different outcomes

1 and 0

1 and 1

1 and 2

2 and 0

2 and 1

2 and 2

the probability of this "0" event is again

number of desired outcomes / number of possible outcomes = 2/6 = 1/3

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3 years ago

HELPPP PLEASEEEEEE!!!!!!!!!1

salantis [7]

Hi!

We can see the river is a straight line.

This means that the angles that fall upon it are supplementary angles, and will add up to 180 degrees.

Therefore:

$x+2x+21=180$

Combine like terms:

$3x+21=180$

Subtract 21 from both sides:

$3x=159$

Divide both sides by 3:

$x=53$

Therefore, the value of x is 53 degrees.

7 0

2 years ago