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scoray [572]
3 years ago
13

Solve (x-3) (x+2) = 0 and x² - 25​

Mathematics
2 answers:
Nookie1986 [14]3 years ago
7 0

Answer:

its 2 x I think u can defirantate

SSSSS [86.1K]3 years ago
4 0

x^{2} -25\\x^{2} -5^{2} \\(x-5)(x+5)

Answer:

Step-by-step explanation:

(x-3) (x+2) = 0\\(x * x )+(x*+2)- (3*x)-(3*2)=0\\x^{2} +2x-3x-6=0\\Simplify : +2x-3x ,to = -x\\x^{2} -x-6 =0\\

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8. At a wholesale food distribution center, the price of sugar has increased 6.3% annually since 1980.
Nitella [24]

Answer: A. $4.12

Step-by-step explanation:

Y=a(1+r/n)^nt is the equation we use to solve this.

a= $0.43

t=37 - take 1980 and subtract it from 2017

r= .063 - the 6.3% goes into a decimal

n = 1

Y= ?

Y= 0.43( 1+ .063/1) ^1*37

Y= 0.43 (1.063) ^37

Y= 4.12

7 0
3 years ago
Byron needs at least 20 m rutes between
Dovator [93]

Answer:

yes

Step-by-step explanation:

if it ends at 430 he will have 30 min before his appoionment

8 0
3 years ago
Given: 1; -5; -13 ; -23 ; ...<br><br> Derive a formula for the nth term in the pattern.
mylen [45]

Answer:

  f(n) = -n^2 -3n +5

Step-by-step explanation:

Suppose the formula is ...

  f(n) = an^2 +bn +c

Then we have ...

  f(1) = 1 = a(1^2) +b(1) +c

  f(2) = -5 = a(2^2) +b(2) +c

  f(3) = -13 = a(3^2) +b(3) +c

__

Here's a way to solve these equations.

Subtract the first equation from the second:

  -6 = 3a +b . . . . . 4th equation

Subtract the second equation from the third:

  -8 = 5a +b . . . . . 5th equation

Subtract the fourth equation from the fifth:

  -2 = 2a

  a = -1

Then substituting into the 4th equation to find b, we have ...

  -6 = 3(-1) +b

  -3 = b

and ...

  1 = -1 +(-3) +c . . . . . substituting "a" and "b" into the first equation

  5 = c

The formula is ...

  f(n) = -n^2 -3n +5

3 0
3 years ago
1 feet = _____ inches A.2 inches B.12 inches C.1.2 inches D.1 inch​
Advocard [28]

Answer:

its B!!!!!!

Step-by-step explanation:

have great day

7 0
3 years ago
Read 2 more answers
ABC Car Share Inc. offers car sharing for a $199 yearly fee plus $14/hr for the use of its car share. What equation models the t
Katarina [22]
Total cost equals the yearly fee price plus $14 times number of hours.

T= total cost
n= number of hours

Equation:
T= $199 + $14n

Hope this helps! :)
6 0
3 years ago
Read 2 more answers
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