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zubka84 [21]
4 years ago
15

1/3k+80=1/2k+120 k=??

Mathematics
1 answer:
Sati [7]4 years ago
3 0

Answer:

The value of k is 240

Step-by-step explanation:

\frac{1}{3}k + 80 = \frac{1}{2}k + 120

Or, 120 - 80 =  \frac{k}{2} - \frac{k}{3}

Or, 40 = \frac{k}{6}

So. k = 40 × 6  = 240

Hence The value of k is 240   Answer

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Please help me find X and Y! Thank you :)
shepuryov [24]

Answer:

The value of x is -29 and the value of y is -26

Step-by-step explanation:

we know that

If two figures are congruent, then its corresponding angles and its corresponding sides are congruent

so

The length of the corresponding sides must be equal

-2x+2y=6 ----> equation A

-7x+8y=-5 ----> equation B

Note

The length of one side of the triangle equal to -5 is not logical, however we will continue with the resolution of the problem for didactic purposes.

Solve the system by graphing

Remember that

the solution of the system of equations by graphing is the intersection point both graphs

using a graphing tool

The solution is the point (-29,-26)

see the attached figure

therefore

The value of x is -29 and the value of y is -26

3 0
3 years ago
Miriam ahorró durante toda la semana $14.00.El sabado se gasto 1/7 de esa cantidad y el domingo 5/8, ¿Que cantidad gastó en tota
Rainbow [258]
1/7 de catorce es dos, ahora Miriam tiene doce dólares restantes. 5/8 de 12 es 7.5, entonces todos juntos, Miriam gastó nueve dólares.

¡Espero que esto ayude! ¡Si necesitas más ayuda házmelo saber! :-)
6 0
3 years ago
I need help like I really dont know how to do this i need help fast
Ganezh [65]

Answer:

44 units² or 44 units squared

There really isn't a preference of units, like inches or meters, so you can add that in.

Step-by-step explanation:

Haha, this is what we're doing in class!

Okay, so the formula for a trapezoid is A= ½ (b1+b2) h

14= b1

8= b2

Add them... You get 22. Multiply that by the height, which is 4. You should get 88. Then divide by 2. You should get 44.

Here's some helpful notes:

I hope this was helpful!

5 0
3 years ago
PLZZ HELP I will give Brain thingy
Leni [432]
I just need to answer two questions
6 0
3 years ago
Read 2 more answers
If you earn one penny every 10 seconds of your life ,how many dollars would you have after 65 years?
ddd [48]

There are 60 seconds in a minute, 60 minutes in an hour, 24 hours in a day, and 365 days in a year. You are assuming that 65 years is the length. We will find the number of seconds in 65 years.

60 x 60 x 24 x 365 x 65 = 2,049,840,000 seconds.
We should note that every 4 years there is an extra day, so if we find 65 % 4 or the modulus of 65 then we can add this. The modulus of this is 16.
60 x 60 x 24 x 16 x 65 = 89,856,000 seconds

2,139,696,000 seconds (when you add the two calculations together).

You are finding it "every 10 seconds" so divide this value by 10. Then divide by another 100 because you are only counting dollars and 100 pennies is equal to 1 dollar.
The answer is : $2,139,696

3 0
4 years ago
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