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Alla [95]
3 years ago
6

Evaluating Algebraic Expressions

Mathematics
1 answer:
koban [17]3 years ago
6 0
D + t = total earnings
$3h + t = total earnings
$3h + $22 = total earnings

Fill in h as however many hours she is working.
Example: She worked for 8 hrs and got $22 in tips.
$3(8) + $22 = ?
$24 +$22 = $46
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Translate the sentence into an inequality.
lord [1]

Answer:

2(W - 5) ≤ -29      

Step-by-step explanation:

"Twice the difference of a number and 5 is at most -29" can be expressed symbolically as follows:

2(W - 5) ≤ -29      

Further explanations:

"the difference of a number and 5" is W - 5, and thus "Twice the difference of a number and 5" is 2(W - 5).

"x ≤ -29" states "x is at most -29."

7 0
2 years ago
Solve the equation x+0.7=1-0.2x In two different ways
timama [110]
Add 0.2x to both sides
1.2x+0.7= 1
1.2x=.3
x=.3/1.2
x=.25


option #2
subtract .7 on both sides

x=1-.7-.2x
x=.3-.2x
1.2x=.3
x=.25
3 0
3 years ago
Help me with this please!!
Mamont248 [21]

Answer: (2,7)

Midpoint formula = (\frac{x1,x2}{2} ,\frac{y1,y2}{2} )

1 + 3 / 2 = 2

5 + 9 / 2 = 7

7 0
3 years ago
In which step did John first make a mistake?<br> look at photos
Verizon [17]

Answer:

John did not make a mistake

Step-by-step explanation:

he did everything correct

5 0
3 years ago
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Justify Step 4 of this Proof
Sloan [31]

Answer:

I believe it's SSS

Step-by-step explanation:

This is because all sides are congruent to each other.

8 0
3 years ago
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