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nikdorinn [45]
3 years ago
5

HELPPPPPP PLEASEEEEEEE!!!!

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
4 0
B not 100% sure tho :(
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I need some help 3z2−6z3z2−6z for z=5
DiKsa [7]
Um that would be -900
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3 years ago
Which point is on the line y = -2x + 3?<br><br> (-2, -1)<br> (3, 3)<br> (3, -3)<br> (-3, -9)
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I think the answer is (3,3)

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3 years ago
What is the answer to what X is?
solmaris [256]

Answer:

x=3

Step-by-step explanation:

By the exterior angle theorem,

(45x)\degree=(57+x)\degree+(26x)\degree

Group like terms and solve for x.

45x-26x-x=57

19x=57

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3 0
3 years ago
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Arithmetic and geometric series -Find the sum of the first 50 terms of the following series, to the nearest integer.
grandymaker [24]

Answer:

<h3>             10,450</h3>

Step-by-step explanation:

21-13=8   and   29-21=8

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Sum of the first n terms:  

S_n=\dfrac{a_1+a_n}{2}\cdot n=\dfrac{a_1+a_1+(n-1)r}{2}\cdot n=\dfrac{2a_1+(n-1)r}{2}\cdot n\\\\\\S_{50}=\dfrac{2\cdot13+(50-1)\cdot8}{2}\cdot50=(13+49\cdot4)\cdot 50=10,450

5 0
3 years ago
Help pls for 100 points!!!
Rus_ich [418]

Answer:

x\leq 9

Step-by-step explanation:

Subtract 7 From both sides

x+7-7\le \:16-7

      7-7 = 0,  16 - 7=9

That leaves  x \leq  9

Hope this helps

~R3V0

8 0
3 years ago
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