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maxonik [38]
3 years ago
8

The distance from Town A to Town B on a map is 6 inches. The actual distance from Town B to Town C is 12 miles. The scale on the

map is 1in: 4 mi. Determine if each statement is True or False.
The actual distance from A to B is 24 mi

The distance from B to C on the map is 36in

The actual distance from A to C is 4.5 mi
Mathematics
1 answer:
Dahasolnce [82]3 years ago
6 0
1. true
2. false
3. false
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Using the following data, calculate the mean absolute deviation:
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First set of data:
Mean - 6.5
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Second set of data:
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3 years ago
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Construct a quadratic polynomial whose zeroes are negatives of the zeroes of the
sp2606 [1]

Given:

The given quadratic polynomial is :

x^2-x-12

To find:

The quadratic polynomial whose zeroes are negatives of the zeroes of the given polynomial.

Solution:

We have,

x^2-x-12

Equate the polynomial with 0 to find the zeroes.

x^2-x-12=0

Splitting the middle term, we get

x^2-4x+3x-12=0

x(x-4)+3(x-4)=0

(x+3)(x-4)=0

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The zeroes of the given polynomial are -3 and 4.

The zeroes of a quadratic polynomial are negatives of the zeroes of the given polynomial. So, the zeroes of the required polynomial are 3 and -4.

A quadratic polynomial is defined as:

x^2-(\text{Sum of zeroes})x+\text{Product of zeroes}

x^2-(3+(-4))x+(3)(-4)

x^2-(-1)x+(-12)

x^2+x-12

Therefore, the required polynomial is x^2+x-12.

4 0
3 years ago
The radioactive substance cesium-137 has a half-life of
statuscvo [17]
A(t)=A0*(1/2)^(t/30)
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7 0
3 years ago
What is this one i cant seem to figure it out
pshichka [43]

Answer:

73

Step-by-step explanation:

Since DA is the diameter, this means that you can divide the circle into two half-circles.  You will solve with the right half-circle.  A half-circle has a 180 total degrees.  Add up the values given and solve for x.

(2x) + (7x - 4) + (85) = 180

2x + 7x - 4 + 85 = 180

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9x + 81 = 180

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x = 11

Now that you have the value of x, solve for m∠CZB.

m∠CZB = 7x - 4

m∠CZB = 7(11) - 4

m∠CZB = 77 - 4

m∠CZB = 73

6 0
3 years ago
The amount of a sample remaining after t days is given by the equation P(1) - Al2where A is the initial amount of
Bezzdna [24]

Answer:

The answer is actually 74 days. I know how to algebraically solve this, however I am unsure how to transpose my work onto the computer.

Step-by-step explanation:

I can also tell you that edgenuity will say 74 is correct.

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