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vodomira [7]
3 years ago
12

I'm in algebra 1 please help i'm lost

Mathematics
2 answers:
Delicious77 [7]3 years ago
6 0
3(x^2 - 1) - (x^2 -7x + 10)
Distribute the 3 in the first parenthesis and the negative in the second parenthesis. Then combine like terms.
3x^2 -3 -x^2 + 7x -10
2x^2 + 7x -13
# 2 is the answers
Likurg_2 [28]3 years ago
5 0
3x2 -3 -x2 +7x -10 =2x2 +7x -13

so thats (2)


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I opened a grocery account at my bank with $250. Every week thereafter, I withdraw $90 from the account to pay for groceries. If
Ksenya-84 [330]

Answer:

y= -90x+250

Step-by-step explanation:

From the information given, the equation would be that the amount in the account would be equal to -90 that is the amount you withdraw from the account each week multiply for x that is the number of weeks plus $250 that is your initial balance:

y= -90x+250, where

y= amount in the account

x= number of weeks.

7 0
3 years ago
Does anybody know this ??
iVinArrow [24]

Transformations:

1.) The -4 moves your y-intercept down 4 units. Without the -4, your y-intercept would be (0,-1)

2.) The -2 in the fraction moves your x-intercept to the to the right 2 units. Without the -2, your x-intercept would be (1/2,0)

Domain:

(-∞,2) ∪ (2,∞)

Range:

(-∞,-4) ∪ (-4,∞)

Vertical Asymptote:

x=2

Horizontal Asymptote:

y=-4

X-Intercept:

(5/2,0)

Y-Intercept:

(0,-5)

7 0
3 years ago
Determine the intercepts of the line. 4x-1=3y+54x−1=3y+54, x, minus, 1, equals, 3, y, plus, 5 xxx-intercept: \Big((left parenthe
earnstyle [38]

Answer:

The intercepts (x,y) = (\frac{3}{2},-2)

Step-by-step explanation:

Given:

4x-1=3y+5

Required

Determine the intercepts

The equation is a linear equation and the intercepts of the equation is calculated as thus;

For x intercepts; substitute 0 for y

4x-1=3y+5

4x-1=3(0)+5

4x-1=0 + 5

4x-1=5

Add 1 to both sides

4x-1 + 1=5 + 1

4x = 6

Divide both sides by 4

\frac{4x}{4} = \frac{6}{4}

x = \frac{6}{4}

Simplify fraction to lowest term

x = \frac{3}{2}

For y intercept, substitute 0 for x

4x-1=3y+5

4(0)-1=3y+5

0 - 1 = 3y + 5

-1 = 3y + 5

Subtract 5 from both sides

-5 - 1 = 3y + 5 - 5

-6 = 3y

Divide both sides by 3

\frac{-6}{3} = \frac{3y}{3}

-2 = y

Reorder

y = -2

Hence, the intercepts (x,y) = (\frac{3}{2},-2)

8 0
3 years ago
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Solve the equation.<br><br> 38=r+23
Tasya [4]
The answer is 15. 38-23= 15

5 0
3 years ago
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Which expression is positive?<br> b<br> a<br> +<br> 0<br> -2<br> 2
MaRussiya [10]

Answer:

here, "a" is negative number, greater than -2

-2 < a < 0

so, -a - 1 is positive....

<em>i</em><em> </em><em>hope</em><em> </em><em>it</em><em> </em><em>helped</em><em>. </em><em>.</em><em>.</em><em>.</em><em>.</em>

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3 years ago
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