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DerKrebs [107]
3 years ago
14

Current scientific evidence shows that the earth is:

Mathematics
2 answers:
fredd [130]3 years ago
8 0

Answer:

Step-by-step explanation:

It is C

dimulka [17.4K]3 years ago
7 0

Answer:

C.More than 4 billion years old

Step-by-step explanation:

By dating the rocks in Earth's ever-changing crust, as well as the rocks in Earth's neighbors, such as the moon and visiting meteorites, scientists have calculated that Earth is 4.54 billion years old, with an error range of 50 million years.

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Polynomial add or subtract (-2x^2-4x+13)+(12x^2+2x-25)
BigorU [14]

1.Simplify.

-2{x}^{2}-4x+13+12{x}^{2}+2x-25−2x2−4x+13+12x2+2x−25

2.Collect like terms.

(-2{x}^{2}+12{x}^{2})+(-4x+2x)+(13-25)(−2x2+12x2)+(−4x+2x)+(13−25)

3.Simplify.

10{x}^{2}-2x-1210x2−2x−12

6 0
2 years ago
A line intersects the points(-22,-14) and (-18,-12). What is the slope-intercept equation for this line?
zaharov [31]

Hello there,

Well we are going to start off with the equation to find the slope based on the given points:

                                                    \frac{y_{2} - y_{1}  }{x_{2} -x_{1} }

Now using the two given points we are going to plug in and solve:

                                         \frac{(-12)-(-14)}{(-18)-(-22)} = \frac{2}{4} = \frac{1}{2}

From this you know that \frac{1}{2} is the slope of the equation. However, to find the y-intercept we are going to use y = mx+ b and plug in one of the points to solve:

                                        (-14) = \frac{1}{2} (-22) + b

                                        (-14) = (-11) + b

                                         -3 = b

That means that the y-intercept is at (0, -3). Lastly, we are just going to plug all this into the slope-intercept form:

                                       y = \frac{1}{2} - 3

Hope I helped,

Amna

6 0
2 years ago
Which function is graphed below?
kupik [55]

Answer:

f(x)=cos(x)

The amplitude is equal to 1. The period is 2π.

7 0
3 years ago
What is the radius of a circle with an area of 530.9
Igoryamba

Answer:

13

Step-by-step explanation:

diameter = r * 2 = 13  * 2 = 26 (diameter is double radius)

Circle area = π * r^2 = π * 169 ≈ 530.9

3 0
3 years ago
Read 2 more answers
At the first tri-city meeting, there were 8 people from town A, 7 people from town B, and
SIZIF [17.4K]

Answer:

i think the answer is town a will be 6, town b 5 town c is 4

Step-by-step explanation:

  • first you gather information that you already know
  • second you put each number with the correct town
  • last you subtract the probability of the numbers like 2-town a 8 which 6
3 0
2 years ago
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