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3 years ago

(a) Bilangan pekerja di Syarikat PP ialah 12 ribu orang. Akibat kegawatan ekonomi, syarikat

Mathematics

1 answer:

Lorico [155]3 years ago

3 0

Answer:

5,000

Step-by-step explanation:

hope this is right

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Please help me thanks

stich3 [128]

Answer:

5. 26⁰F, rise

6. 0, Added both the numbers instead of subtracting

7. 10⁰C

8. 25⁰F

9. 13⁰F

10. -4

5 0

2 years ago

Jean runs 8 mi and then rides 11 mi on her bicycle on a biathlon. She rides 9 mph faster than she runs. If the total time for he

Ipatiy [6.2K]

Let Jean's speed while running = x mph

Then Jean's speed while riding will be = x+9 mph

Distance covered by running = 8 miles

Distance covered by riding = 11 miles

Total time taken to complete the race = 1.5 hours

As, $time=\frac{distance}{speed}$

So, time for running= $\frac{8}{x}$

And time for riding= $\frac{11}{x+9}$

Equation becomes:

$\frac{8}{x}+\frac{11}{x+9}=1.5$

Now, multiply every term by 2x(x+9) to clear denominators:

$16(x+9)+22x=3x(x+9)$

Simplifying it we get

$3x^{2}-11x-144=0$

Solve the quadratic equation using formula

$x= \frac{-b+\sqrt{b^{2}-4ac }}{2a}$

putting a=3 , b= -11, c= -144

we get (x - 9)(3x + 16) = 0

where x=9 and x= $\frac{-16}{3}$

Neglect the negative answer as speed cannot be negative, so x = 9 mph

Hence, Jean's running speed is 9 mph and riding speed is x+9 = 9+9 = 18 mph

4 0

3 years ago

If Andy had an ending balance of $5600 and Charlie had an ending balance of $5624.32, what is the difference in their account ba

MakcuM [25]

The answer is 24.32 is the difference

8 0

3 years ago

Read 2 more answers

Please help me literally need this to be answered in 2 hours P-L-E-A-S-E !!

Sonja [21]

Answer:

Yeah with that type of problem

Step-by-step explanation:

You aint getting answered for the next 4 hours <3

6 0

2 years ago

How do you solve this problem?

yaroslaw [1]

Hope this helped! I decided to write it out for you so it would be easier to explain.

8 0

3 years ago