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rewona [7]
3 years ago
12

A plumber can complete a job in 2 hours. If an apprentice helps, it takes only 1 1/3 hours. How long would it take the apprentic

e working alone?​
Mathematics
1 answer:
noname [10]3 years ago
8 0

Hello there I hope you are having a great day :) You Question A plumber can complete a job in 2 hours. If an apprentice helps, it takes only 1 1/3 hours. How long would it take the apprentice working alone?

(1 1/3) / 2 + (1 1/2) / a = 1

(4/3)a + (4/3)2 = 2a              multiply both sides by 2a

(4/3)2 = (2/3)a                      subtract (4/3)a from both sides

8/3 = 2a/3                            simplify

8 = 2a

4 = a

Hopefully that help you :)

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Change 5 - 2 into an addition problem using a change in sign and the additive inverse.
Mademuasel [1]

9514 1404 393

Answer:

  5 + (-2)

Step-by-step explanation:

starting with: 5 - 2

step 1: 5 + ( )

step 2: 5 + (-2)

5 0
3 years ago
4. The Gold family sold their house for $450,000. They paid a realty
Rudiy27

Answer:

27,000

Step-by-step explanation:

$450,000 x 0.06= $27,000

0.06 is the 6% that you multiply by the total amount they earned to see how much they paid the realty company.

7 0
3 years ago
the volume v of a tank varies directly with its height h a tank 12 ft High holds 300 cubic feet write an equation relating v &am
Liula [17]

v varies directly with height means

v/h=k were k is a constant

or also h/v=k where k is a constant (this is a different k than previous)

so if h=12 and v=300 then

h/v=12/300=1/25=k

so the relationhip could be h/v=1/25


if you di v/h, then

v/h=300/12=25/1=25=k

so the relationship could be v/h=25

3 0
3 years ago
Help☝️☝️☝️☝️‍☝️☝️‍☝️‍‍☝️☝️‍☝️☝️
Dominik [7]

Answer:

40 + 25 = 65

49 + 63 = 112

63 + 15 = 78

7×16 =112

26 × 3 =78

5×13=65

so the answer is

40 + 25 -------- 5 × 13

49 + 63 -------- 7 × 16

63 + 15 --------- 26 × 3

i hope this help you

8 0
4 years ago
In his last football game, Sean rushed for 94 yards. if his season total is now 871 yards, how many total yards did he have prio
Masteriza [31]

it should be somewhere around 110 to 120 yards


4 0
4 years ago
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