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Iteru [2.4K]
3 years ago
5

When you rotate figures, what do you notice about sides, angles, and parallel lines?

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
6 0

Answer:

They are the exact same.

Step-by-step explanation:

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Find the 30th term of the following sequence.
Nataly_w [17]

Answer:

-105

Step-by-step explanation:

8 0
3 years ago
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Find BC.( the value of x)<br> 1. 2.3 cm<br> 2. 2 cm<br> 3. 1.5 cm<br> 4. 1.2 cm<br> PLEASE HELP!!
elena-14-01-66 [18.8K]
It's a proportion.
2 is to x as 15 is to 9, or 2/x = 15/9.
Multiply the means and extremes
15x = 18
divide both sides by 15 to get x by itself.
x = 1.2

4 0
3 years ago
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The sum of twice a number and a larger number is 145. The difference between the numbers is 55. Let x represent the smaller numb
Lelu [443]

Answer:

145 :) hope this helps!<3

Step-by-step explanation:

correct me if i'm wrong so no one fails on a test or question

6 0
2 years ago
If f(x)=x squared-2x and g(x) = 6x+4 for which is a value of x does (f+g)(x) =0
ra1l [238]

Answer:

For x = -2

Step-by-step explanation:

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

ax^{2} + bx + c, a\neq0.

This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = a(x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\Delta}}{2*a}

x_{2} = \frac{-b - \sqrt{\Delta}}{2*a}

\Delta = b^{2} - 4ac

In this question:

f(x) = x^2 - 2x

g(x) = 6x + 4

f(x) + g(x) = (f+g)(x)  = x^2 - 2x + 6x + 4 = x^2 + 4x + 4

Which is a value of x does (f+g)(x) =0

x^2 + 4x + 4

Quadratic equation with a = 1, b = 4, c = 4

So

\Delta = 4^{2} - 4*1*4 = 0

x_{1} = \frac{-4 + \sqrt{0}}{2} = -2

x_{2} = \frac{-4 - \sqrt{0}}{2} = -2

For x = -2

7 0
3 years ago
The Clark family must pay $2,820 in property tax on their home this year. The house payment $752 per month. What is their paymen
Harlamova29_29 [7]
It's actually easier than it seems. if the tax is paid in equal payments every month and the total throughout a year (12 months) is $2,820, you have to find out how much they pay every month
so divide the total by the number of months
2,820/12=235
they pay $235 in taxes every month
to find out the total of the taxes and the house payment, just add the monthly tax and the monthly house payment.
235+752
and your answer is the sum
8 0
4 years ago
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