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KonstantinChe [14]
3 years ago
7

I need help ASAP! Number 1

Mathematics
2 answers:
rodikova [14]3 years ago
3 0

Replace x with and simplify

2x - 10

~Zane

Happy Halloween!

kozerog [31]3 years ago
3 0

Answer:

Replace x

2x - 10

Step-by-step explanation:


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Please help!
soldier1979 [14.2K]
It is 28 in squared :/ duh
6 0
4 years ago
Please help, I dont know where to start​
PtichkaEL [24]

Answer:

16 ft

Step-by-step explanation:

The circumference of a circle is given by

C = pi d

where d is the diameter

50.24 = 3.14 *d

Divide each side by 3.14

50.24/ 3.14 = 3.14d/3.14

16 = d

4 0
3 years ago
ILL GIVE BRAINLIEST
Harrizon [31]

Answer:

a = -3/2 = -1.5

Step-by-step explanation:

(1+ax) (2+3x)³

Formula

(a+b)^3=a^3+3a^2b+3ab^2+b^3

(1 + ax) [ 2^3 + 3*2^2*3x + 3*2*(3x)^2 + (3x)^3]

(1 + ax) [ 8 + 12*3x + 6*9x^2 + 27x^3]

8 + 12*3x + <u>6*9x^2</u> + 27x^3 + 8ax + <u>36ax^2</u> + 54ax^3 + 27ax^4

coefficient of x^2 is zero

54x^2 + 36ax^2

54 + 36a = 0

36a = -54

a = -3/2

6 0
3 years ago
Find the sum of ∑4/k=1 (-4k)
Annette [7]

Answer:

Hello,

Answer C: -40

Step-by-step explanation:

\displaystyle \sum_{k=1}^4\ (-4k)\\\\=-4*\sum_{k=1}^4\ k\\\\=-4*4*\dfrac{1+4}{2} \\\\=-4*5*2\\\\=-40\\

4 0
3 years ago
Help please???!!!!?!!!!??!!?!!!!!!!!
Alexeev081 [22]

Answer:

b,c,f

Step-by-step explanation:

a is -8

b 8

c 8

d -8

e 1-

f 8

g -8

h -8

5 0
2 years ago
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