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labwork [276]
3 years ago
9

Jorge is 1 year younger than his brother. The sum of their ages is no less than 25 years.

Mathematics
1 answer:
Butoxors [25]3 years ago
5 0
Jorge is 8, and his brother is 9. In an inequality it'll be 2x+2j - 2 is greater than or equal to 25.

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12+3 (4f-4) can you show your work and simple simplify
maria [59]

12 + 3(4f - 4) \\ 12 + 12f - 12 \\  = 12f
Use the distributive property and combine like terms.
5 0
3 years ago
Read 2 more answers
Write an equation of the line in slope-intercept form, (-3, -1), (-1, 3)
astra-53 [7]

Answer:

Y=2x+5

Step-by-step explanation:

3 - -1

—-—— = 2=m

-1 - -3

5 0
3 years ago
80 points, need ASAP
Tresset [83]

9x^2 -c =d

add c to each side

9x^2 = c+d

divide by 9

x^2=(c+d)/9

take the square root on each side

x = +- sqrt ((c+d)/9)

simplify

x = +- 1/3 sqrt (c+d)

Answer: 1/3 sqrt (c+d), - 1/3 sqrt (c+d)

7 0
3 years ago
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What is -3x^2-4x-4=0
ss7ja [257]

Answer:

<h2>no real solution</h2>

Step-by-step explanation:

-3x^2-4x-4=0\qquad\text{change the signs}\\\\3x^2+4x+4=0\\\\\text{use the quadratic formula:}\\\\\text{for}\ ax^2+bx+c=0\\\\\text{if}\ b^2-4ac0,\ \text{then an equation has two solutions:}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

\text{We have}\ a=3,\ b=4,\ c=4.\\\\\text{Substitute:}\\\\b^2-4ac=4^2-4(3)(4)=16-48=-32

8 0
4 years ago
Plz help me I just started 8th grade.
weeeeeb [17]

Answer:

I think this is slope. So for each point you go up 3 units. All of the point should connect into a straight line.

Step-by-step explanation:

Mark Point R on the graph to its coordniates. Do the same to Point D, L and F. after you are done then go back to each point and go up 3 units/points. Then draw a line connecting the 4 points. Then you will have your answer. Hope this helped!

7 0
3 years ago
Read 2 more answers
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