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lutik1710 [3]
3 years ago
5

Use inverse operation to solve the equation t - 13 = -29

Mathematics
1 answer:
Nata [24]3 years ago
5 0

Answer:

-16

Step-by-step explanation:

-29+13 is -16

and -16-13 is -29.

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Two teams of interns are wrapping donated gifts at a hospital. if the teams work alone, team a can wrap all of the gifts in 7 ho
romanna [79]
Together it would take 3 hours.
Team A can wrap all gifts in 7 hours; thus they can wrap 1/7 of the gifts in 1 hour.

Team B can wrap all gifts in 5 hours; thus they can wrap 1/5 of the gifts in 1 hour.

1/7h + 1/5h = 1, where h is the number of hours; it equals 1 because it is 100% of the gifts;

Find a common denominator.  35 is the first thing 7 and 5 will both divide into.  Convert the fractions:
5/35h + 7/35h = 1
12/35h = 1

Divide both sides by 12/35:
12/35h ÷ 12/35 = 1 ÷ 12/35
h = 1/1 ÷ 12/35
h = 1/1 × 35/12
h = 35/12
h = 2.9
h ≈ 3
4 0
3 years ago
Solve for x ln(3x+2)=4
Rasek [7]

Answer:

x = (e^4 -2)/3

x≈17.533

Step-by-step explanation:

ln(3x+2)=4

raise each side to e

e^ ln(3x+2) = e^4

3x+2 = e^4

subtract 2 from each side

3x = e^4 -2

divide by 3

x = (e^4 -2)/3

putting this in a calculator

x≈17.533

5 0
2 years ago
Read 2 more answers
Lisa's dog has 4 squeaky toys. Two thirds of the dog's toys are squeaky toys. How many dog toys does Lisa's have in all?
viva [34]
.  Lisa's dog has 4 squeaky toys   
.  the squeaky toys are 2/3 of all the dog's toys

.  let <em>x</em> be number of all dog toys

<em>make an equation</em>
(2/3)<em>x</em> = 4   <em>← solve</em>
x=6

<em>check</em>
2/3 × 6 = 4

<u>Lisa's Dog has 6 toys in all</u>



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3 years ago
I'm In need Of help guys on math this assignment is due at 1:45 i'm stuck on these couples of questions I'm willing to send $3 p
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4 0
3 years ago
1. In a basket, there are white and red balls. What is the smallest number of balls you need to take out of the basket so that t
hjlf

Answer:

  1. 3
  2. 7
  3. 7

Step-by-step explanation:

1. In 2 draws, you can get one of each, so a minimum of 3 draws will guarantee at least 2 of one color.

__

2. A minimum of 3 socks must be drawn to ensure one pair. A minimum of 2 must be drawn to ensure an additional pair. For three pairs, 7 socks must be drawn.

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3. The first 5 balls drawn could be white, so an additional 2 must be drawn to ensure 2 red balls. To be sure of 2 red balls, 7 balls must be drawn.

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3 years ago
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