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Vanyuwa [196]
3 years ago
10

Two workers finished a job in 12 days. How long would it take each worker to do the job by himself if one of the workers needs 1

0 more days to finish the job than the other worker?
Mathematics
2 answers:
nata0808 [166]3 years ago
5 0

Answer:

7 days and 17 days

Step-by-step explanation:

We can write an equation to solve this. An equation could be: <u><em>½x + ½y = 12</em></u>.<u><em> x - y = 10</em></u>. Variables that solve this equation are <u><em>x=7</em></u> and <u><em>y=17</em></u>. 7 + 17 = 24÷2 (since there are 2 workers) =12. Also, ½(7) + ½17 = 3.5 + 8.5 = 12. So, we know that the faster worker will take 7 days and the slower worker will take 17 days.

Hope this helps! Plz give me brainliest, it will help me achieve my next rank.

FromTheMoon [43]3 years ago
4 0

Answer:

20 days

Step-by-step explanation:

t = time required by one worker to complete the job alone

(t+8) = time required by the other worker

So:

7.5/ t + 7.5/ (t + 8) = 1

Solve for t.

...

t = 12 days, the first guy working alone

The other worker would finish the job in 20 days.

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lianna [129]

Answer:

\frac{1}{3}

Step-by-step explanation:

It was given that, the graph of the bicycle ramp contains the points (-6,0) and (3,3).

We want to find the slope.

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m =  \frac{y_2-y_1}{x_2-x_1}

We substitute the points into the formula to get;

m =  \frac{3 - 0}{3 -  - 6}

m =  \frac{3}{3 + 6}

Add in the denominator

m =  \frac{3}{9}  =  \frac{1}{3}

The slope of the ramp is 1/3.

6 0
3 years ago
Veronica is choosing between two health clubs. Studio A has membership is $23.00 and a monthly fee $24.75. Studio B has a member
Dovator [93]

Answer:

14.02

Step-by-step explanation:

You'd have to write equations for the price per month for each club.

Let  x  equal the number of months of membership, and  y  equal the total cost.

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24x + 21.50 =17.25 x+ 41.00

subtract 21.50 both sides

. We can now solve for  x  by isolating the variable.

24x=17.25x+19.5

divide 17.25x

1.39x=19.5

divide 1.39 both sides

x=14.02

After five months, the total cost would be the same.

4 0
3 years ago
A 104 foot ladder is leaned against a wall. If the base of the ladder is 40 feet from the wall, how high up the wall will the la
Gre4nikov [31]
64 feet im pretty sure? i did 104-40 i’m sorry if it’s wrong
7 0
3 years ago
What is (x+5)+2x^2=2x+1
andrew-mc [135]

Answer:

Step-by-step explanation:

Area of Square = (x+5)²= x² + 10x + 25

Area of rectangle = 2x  * x  = 2x²

area of rectangle + 1 = Area of square

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2x² + 1 - x² - 10x - 25 = 0

x²  - 10x - 24 = 0

(x - 12) (x + 2) = 0

x - 12 = 0   ;   Ignore x + 2  because length wont come in negative

x = 12

5 0
3 years ago
Read 2 more answers
Solve seven 2/3-1 2/4+3 6/8 choose the numbers to complete complete the next number numbers may be used once or not at all
Bezzdna [24]

Answer:

9 11/12

Step-by-step explanation:

Solve 7 2/3-1 2/4+3 6/8

We are to the above fractions

7 2/3 - 1 2/4 + 3 6/8

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(7 - 1 + 3) + ( 2/3 - 2/4 + 6/8)

9 + (16 - 12 + 18/24)

9 + 22/24

9 11/12

8 0
3 years ago
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