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sasho [114]
3 years ago
8

-8n+4(1+5n)=-6n-14 Please answer

Mathematics
1 answer:
Kruka [31]3 years ago
3 0

Answer:

-1

Step-by-step explanation:

use the method bodmas

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What is f(-4) if f(x)=|7x-3|
MrRissso [65]
Substitute the given into the function

f(-4) = |7(-4) - 3|
now solve
f(-4) = |-28 - 3|
f(-4) = | -31| 
the absolute value of |-31| is 31
so, 
f(-4) = 31

Hope this helps :)
8 0
3 years ago
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⦁ Find the sum of the series . 15 sigma n=1, (2n-1) Show your work
sergejj [24]

Answer:

225

Step-by-step explanation:

The sum of this series is given by the formula:

S_n=\frac{n}{2}[2a+(n-1)d]

Where

S_n is the sum

a is the first term (we get this by plugging in n = 1 into "2n-1", we have 2(1) - 1 = 1)

n is the number of terms (the sum is defined for n = 1 to n = 15, so 15 terms)

d is the common different (the difference is successive terms. Here, 2nd term would be 2(2) - 1 = 3, and first term was 1, so d = 3 -1 = 2)

<em>plugging in the info, we will get the sum:</em>

<em>S_n=\frac{n}{2}[2a+(n-1)d]\\S_{15}=\frac{15}{2}[2(1)+(15-1)(2)]\\=225</em>

<em>The sum is 225</em>

4 0
3 years ago
The table below represents the equation: y = 1.5x – 2 If you completed this table, would each input have exactly one output? yes
stealth61 [152]

Answer:

Step-by-step explanation: y=1.5(3)-2

y=2.5

7 0
3 years ago
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What is the least common multiple of 5, 10, and 12? What is the least common multiple of 6, 10, and 12? What is the least common
Mila [183]

Answer:

LCM of 5, 10, and 12 is 60

6, 10, and 12 is 60

2, 4, and 9 is 36

6 0
3 years ago
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Find the slope from (0,0) to (10,10)
juin [17]

Answer:

the slope is 1

Step-by-step explanation:

5 0
3 years ago
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