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andre [41]
2 years ago
9

EASY MATH PLEASE HELP!! : )

Mathematics
2 answers:
adell [148]2 years ago
7 0
12 x 18 = 216

3 x 3 = 9

216 - 9 = 207

The answer would be A
GenaCL600 [577]2 years ago
4 0

Answer:

Option A

Step-by-step explanation:

The area of the big Square is 216.

the Smaller Square is 9

subtract both of those, you get option A, 207.

have an amazing day!

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Answer:

Answer: A real number that is not rational is called irrational. Irrational numbers include √2, π, e, and φ. The decimal expansion of an irrational number continues without repeating.

7 0
2 years ago
Simplify the expression.<br><br>(1/4)^(-3/2)<br><br>Please show how to do the problem.
Vlad [161]
Alright, so since it's to the negative power we essentially have 1/(1/4^(3/2)). After that, we find (1/4)^3=1^3/4^3=1/64 and find the square root of that, which is (sqrt1)/(sqrt64)=1/8. Since the answer is 1/(1/8), we get the answer to be 8
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The table shows the amount of time, in minutes, it takes to walk a given distance, in miles, along the path. Complete the table
love history [14]

Answer:1) 0.0416 2).03 3) .05

Step-by-step explanation:you divid the distance by the times

6 0
3 years ago
What is the y intercept to the question below<br><br> y=8x+7 (20 points)
irga5000 [103]

Answer:

7 is your answer

Step-by-step explanation:

Note the slope-intercept form:

y = slope(x) + y-intercept (or y = mx + b)

b is the y-intercept.

In this case, 7 is in the place of b, so 7 is your answer

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5 0
2 years ago
Read 2 more answers
Three cell phones towers can be modeled by the points X(6,0), Y(8,4), and Z(3,9). Determine the location of another cell phone t
Marat540 [252]

Answer:

The location of the new cell phone tower is (h,k) = (3,4), and the equation of the circle is x^{2}+y^{2} -6\cdot x - 8\cdot y = 0.

Step-by-step explanation:

The location of the cell phone tower coincides with the location of a circunference passing through the three cell phone towers. By Analytical Geometry, the equation of the circle is represented by the following general formula:

x^{2} + y^{2}+A\cdot x + B\cdot y +C = 0 (1)

Where:

x - Independent variable.

y - Dependent variable.

A, B, C - Circunference constants.

Given the number of variable, we need the location of three distinct points:

(x_{1},y_{1}) = (6,0)

36 +6\cdot A + C = 0

(x_{2},y_{2}) = (8,4)

80 + 8\cdot A + 4\cdot B + C = 0

(x_{3},y_{3}) = (3,9)

90 + 3\cdot A + 9\cdot B + C = 0

Then, we have the following system of linear equations:

6\cdot A + C = -36 (2)

8\cdot A +4\cdot B + C = -80 (3)

3\cdot A + 9\cdot B + C = -90 (4)

The solution of this system is:

A = -6, B = -8, C = 0

By comparing the general form with the standard form of the equation of the circunference is:

A = -2\cdot h (5)

B = -2\cdot k (6)

C = h^{2}+k^{2}-r^{2} (7)

Where:

h, k - Coordinates of the center of the circle.

r - Radius of the circle.

If we know that A = -6, B = -8 and C = 0, then coordinates of the center of the circle and its radius are, respectively:

h = -\frac{A}{2}

k = -\frac{B}{2}

r = \sqrt{h^{2}+k^{2}-C}

h = 3, k = 4, r = 5

The location of the new cell phone tower is (h,k) = (3,4), and the equation of the circle is x^{2}+y^{2} -6\cdot x - 8\cdot y = 0.

3 0
2 years ago
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