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gayaneshka [121]
3 years ago
10

PLEASE SOMEONE HELP ! X

Mathematics
2 answers:
DENIUS [597]3 years ago
8 0

Answer:

When x=-3 ,  y= -16

when x=-2 , y= -10

when x=-1 , y= -6

when x=0 , y=-4

when x=1 y=-2

when x=2, y= 2

when x= 3, y= 8

Step-by-step explanation:

Equation: y= x^2+x-4

All you have to do is plug in the values of x given in the table inorder to find the y values.

dezoksy [38]3 years ago
7 0

Answer:

When x=-3 ,  y= -16

when x=-2 , y= -10

when x=-1 , y= -6

when x=0 , y=-4

when x=1 y=-2

when x=2, y= 2

when x= 3, y= 8

Just plug in each x value to the equation

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Elenna [48]

Answer:

hope this is correct

5 0
4 years ago
Does anyone know how to calculate 4 to the -3 power?
Stells [14]

Answer:

Step-by-step explanation:

4^(-3) = 1/4^3 = 1/(4*4*4) = 1/64

which can also be written as 1/(2^6)

depending on your answer options.

5 0
3 years ago
Read 2 more answers
4400 dollars is placed in an account with an annual interest rate of 7.5%. To the nearest tenth of a year, how long will it take
Katarina [22]

Answer:

Step-by-step explanation:

The equation for the amount of money in an account after a certain amount is deposited and compounded after t years once per year is

A(t)=P(1+r)^t

Our A(t) = 33800, P = 4400, r = .075 and we are looking for t.  Filling in:

33800=4400(1+.075)^t and

33800=4400(1.075)^t

Begin by dividing both sides by 4400 to get

7.681818182=1.075^t

The only way to move that t our from its current position as an exponent is to take the natural log of both sides and follow the rules for natural logs:

ln(7.6181818182=ln(1.075)^t

The power rule of natural logs says we can move that exponent down in front, giving us:

ln(7.681818182)=t*ln(1.075)

Divide both sides by ln(1.075) to get

\frac{ln(7.61818182)}{ln(1.075)} =t

Do this division on your calculator to get

t = 28.2 years

6 0
3 years ago
Read 2 more answers
How do I solve this system of equations by substitution? <br> y - 3x = 2, y=(x + 1)^2 - 5
Arada [10]
Hello,

y-3x=2==>x=(y-2)/3
==>(x+1)²=((y-2)/3+1)²=(y+1)²/9

y=(x+1)²-5
==>y=(y²+2y1)/9 -5
==>y²-7y-44=0  ; Δ=7²+4*44=225=15²
==>y=(7+15)/2 or y=(7-15)/2

==>y =11 and x=(11-2)/3=3
 or y=-4  and x=(-4-2)/3=-2

sol={(3,11);(-2,-4)}


5 0
3 years ago
HELP FAST
taurus [48]

Answer:

yes

Step-by-step explanation:

no

3 0
3 years ago
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