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2 years ago

Solve the equation x^2-18x+21=-3x to the nearest tenth

Mathematics

2 answers:

pav-90 [236]2 years ago

4 0

Answer:

x=1.6 and x=13.4

Step-by-step explanation:

First we must bring -3x over to the left side by addin git the both sides

Maru [420]2 years ago

3 0

Answer:

x=13.4 or x=1.6

Step-by-step explanation:

use the quadratic formula x= -b±√(b²-4ac) all divided by 2

Where a = 1 b= -15 c=21

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Read 2 more answers

A bank account yields 7 percent interest, compounded annually. If you deposit $1,000 in the account, what will the account balan

lianna [129]

Hi there
The formula is
A=p (1+r)^t
A future value?
P present value 1000
R interest rate 0.07
T time 5 years
So
A=1,000×(1+0.07)^(5)
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It's a

Hope it helps

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