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Anastaziya [24]
3 years ago
6

so my question isn't really about mathematics, its about earth science there just isn't a tab for science so sorry but here is m

y question, how did scientists use data to find out about the outer core of the earth?
Mathematics
1 answer:
MArishka [77]3 years ago
7 0
They put measures in the grounnd hope this helps
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6x+1 = -8x-13<br> pleasee
DiKsa [7]

Answer: x=-1

<u>Add 8x to both sides</u>

<u></u>6x+1+8x=-8x-13+8x\\14x+1=-13<u></u>

<u></u>

<u>Subtract 1 from both sides</u>

<u></u>14x+1-1=−13-1\\14x=-14<u></u>

<u></u>

<u>Divide both sides by 14</u>

<u></u>14x/14=-14/14\\x=-1<u></u>

5 0
3 years ago
Read 2 more answers
What is the equivalent ratio to 7:10
sergiy2304 [10]

Answer:

14/20

Step-by-step explanation:

6 0
3 years ago
Please find the answer !
algol13

Answer:

ring volume is 12cm3

Step-by-step explanation:

Lr ccm=volume of water and ring - Volume of water

ring cubic centimeters =x

x=9.2cm*4.5cm*7cm - 8.8cm*4.5cm*7cm

x=289.2cm3 - 277.2cm3

x=12cm3

4 0
3 years ago
Pls help tap picture to see the three problems
valentinak56 [21]
1. Slope intercept form. First find two points to get slope: (0,-3) and (-3,-4). Slope is
(-4 - -3)/(-3 - 0)= 1/3
Use one of the points of (x,y) to solve for b
Y=1/3x + b
-3 = 1/3(0) + b
-3 = b so your slope intercept equation is
Y = 1/3x - 3

2. Rate of Change is slope. Your points are (0,10) and (24,6) so slope is (6-10)/(24-0)
= - 1/6 which means that for each 1 unit increase in x, y decreases by 1/6.

3. Standard form is ax + by =c
Notice it is the same line as in the first graph so it's the same equation
y = 1/3x - 3
First, you cannot have fractions, so you have to multiply the equation by 3 to get rid of the 1/3.
3y= x - 9. Now move the x over:
-x + 3y = - 9. Now get rid of the negative value on x by multiplying the entire equation by -1:
x - 3y = 9
8 0
3 years ago
Help please :))
Marysya12 [62]

Answer:

  • See below

Step-by-step explanation:

<u>The roots are:</u>

  • 3, 3, 2 - 3i, 2 + 3i (conjugate of 2 - 3i should be added) and the leading coefficient is - 5

<u>The polynomial is:</u>

  • -5(x - 3)² (x - [2 - 3i]) (x - [2 + 3i]) =
  • - 5(x² - 6x + 9) (x² - 4x + 13) =
  • -5(x⁴ - 10x³ + 46x² - 114x + 117) =
  • -5x⁴ + 50x³ - 230x² + 570x - 585

7 0
3 years ago
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