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s344n2d4d5 [400]
3 years ago
12

-3(3w-4) =-20 w= ? Plssss help

Mathematics
1 answer:
o-na [289]3 years ago
8 0

Answer:

w = 3.5555

Step-by-step explanation:

-3(3w-4) = -20 (distribute -3)

-9w + 12 = -20 (subtract 12 on each side)

-9w = -32 ( divide by -9 on each side)

w = 3. 55555

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Shkiper50 [21]
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Distribute -1:

-z + 17 = 12 + 17

Subtract 17 to both sides:

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z = -12
4 0
3 years ago
Evaluate<br> 2^-4/4^0<br> Write your answer as a fraction in simplest form
Luden [163]

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1/16 or 0.0625

Step-by-step explanation:

Im not sure but this may be the answer

5 0
2 years ago
3- An archaeologist descends 18 feet into a canyon, then climbs up 14 feet. 1 point
Lady_Fox [76]
4 feet.

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8 0
3 years ago
Raoul saves $14.50 each month for 3 months. He puts his money in the bank and earns $0.33 interest . Hector puts \$3.60 e each w
Norma-Jean [14]

Answer:

$0.63

Step-by-step explanation:

Raoul saves $14.50 each month for 3 months. Total amount saved is 14.50 * 3 = $43.50

He earned an interest of $0.33.

The total amount of money he has is thus: 43.50 + 0.33 = $43.83

Hector puts $3.60 each week for 12 weeks. Total amount save by Hector is thus 3.60 * 12 = $43.2

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4 0
3 years ago
Please I'm GIVING 40 POINTS FOR REAL ANSWER
Charra [1.4K]

Answer:

x = 14

< A = 58 degrees

< B = 52 degrees

< C = 70 degrees

Step-by-step explanation:

Recall that the addition of the three internal angles of a triangle must render 180 degrees, then we can write:

<A + <B + <C = 180

and now replace with the algebraic expressions given for each angle:

2(x + 15) + 3 x + 10 + 5 x = 180

eliminate parenthesis

2 x + 30 + 3 x + 10 + 5 x = 180

combine like terms

10 x + 40 = 180

subtract 40 from both sides

10 x = 140

divide both sides y 10 to isolate x

x = 14

Now that we know x, we can calculate each of the angles using the fiven expressions:

< A = 2 (x + 15) = 2 (14 + 15) = 2 * 29 = 58 degrees

< B = 3 x + 10 = 3 * 14 + 10 = 52 degrees

< C = 5 x = 5 * 14 = 70 degrees

3 0
2 years ago
Read 2 more answers
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