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ValentinkaMS [17]
3 years ago
8

Can somebody please help me? thank-you :)

Mathematics
1 answer:
NeTakaya3 years ago
8 0

Answer:

i dont know how to do this but brainly keeps bothering me so im sorry

Step-by-step explanation:

...

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A rectangle has an area 105 in2 and a length of 7 inches.  What is the length?​
QveST [7]

Answer:

Width is 15in

Step-by-step explanation:

Area=lengthxwidth

105=7w

divide by 7

7 0
3 years ago
What are the solutions of x^2-2x+5=0? A. X=2i or x=-2i. B. X=1+2i or x=1-2i. C. X=2+i or x=2-i. D. X=2+2i or x=2-2i
satela [25.4K]

Answer:

B. x=1+2i or x=1-2i.

Step-by-step explanation:

The equation is given as;

x²-2x+5=0

complete the square method to find value of x as;

x²-2x = -5

x²-2x + 1 = -5 + 1

x²-2x +1 =-4

( x-1 )² = -4

x-1 = ±√-4 ---------<em>where √-1 = i</em>

x-1 =± 2i

So;

x-1 = + 2i

x= 1+2i

or

x= 1-2i

x= 1-2i

7 0
3 years ago
Solve the equation. Show your work.<br> 3x = 45
Andrew [12]
3x=45
45:3=15
x=15

good homework

6 0
3 years ago
Read 2 more answers
Only #8 please I need help and let me know how you got it.. thank you:)
Ket [755]
So investment is $140 and interest is 3% per yea
yo convert % to number 3/100 = .03
so for one year. $140 x .03 = $4.20/year
in two years you have $4.20+$4.20 =$ 8.40!

Answer is $8.40 or 2 years
7 0
4 years ago
Pleaseee helpp ill give brainliest
vitfil [10]

NOPE NOT AT ALL the line never goes through 0 on the x axis

8 0
3 years ago
Read 2 more answers
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