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andrew-mc [135]
3 years ago
9

3x+15y=7 i need to solve for y, please help me!

Mathematics
1 answer:
GenaCL600 [577]3 years ago
5 0

Answer:

You just have to solve for y. And when you don't have the value for x you make it 0. so the answer is 7/15.

Step-by-step explanation:

3x+15y=7

3(0)+15y=7

15y=7

y=7/15

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The other side is 25, but im not sure what sin B is
ruslelena [56]

9514 1404 393

Answer:

  sin B = 24/25

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you that ...

  Sin = Opposite/Hypotenuse

The side opposite angle B is the side AC. Its length is shown as 24. You have correctly said the hypotenuse (AB) is 25, so you have ...

  sin(B) = AC/AB

  sin(B) = 24/25

3 0
3 years ago
390.0826 in fraction expanded form.
Juliette [100K]

The number 390.0826 in an expanded form is 300 + 90 + 8/100 + 2/1000 + 6/10000

<h3>How to write the number in an expanded form?</h3>

The number is given as:

390.0826

Next, we split the numbers:

This is done as follows:

390.0826 = 300 + 90 + 0.08 + 0.002 + 0.0006

Express the decimals as fractions

390.0826 = 300 + 90 + 8/100 + 2/1000 + 6/10000

Hence, the number 390.0826 in an expanded form is 300 + 90 + 8/100 + 2/1000 + 6/10000

Read more about expanded forms at

brainly.com/question/655925

#SPJ1

6 0
2 years ago
Math. solving the problem.
inna [77]
Squ((20a^6)(b^3))
2(a^3)(b)squ(b)
8 0
4 years ago
How do I find the part of a whole of 160% of 19
sergejj [24]
multiply\ percent\ times\ a\ number\\\\&#10;160\%*19=\frac{160}{100}*19=1,6*19=30,4\\\\&#10;160\%\ of\ 19\ is\ equal\ to\ 30,4.
7 0
3 years ago
Marco gana 1200 mensualmente . La mitad de su dinero es entregado a su mama de lo que le queda gasta en la tercera parte en ropa
statuscvo [17]

Answer:

A Marco le sobra 400.

Step-by-step explanation:

Marco gana 1200 mensualmente. La mitad de su dinero es entregado a su mamá.

La mitad de un número se calcula dividiendo el número por 2. Por lo que la mitad de lo ganado por Marco se calcula:

1200 ÷2= 600

Por lo que Marco entrega a su mamá 600 mensualmente, y quedan 600, obtenido de la resta entre lo ganado mensualmente y lo entregado a su madre.

De lo que le queda gasta en la tercera parte en ropa. La tercera parte de un número se calcula dividiendo el número por 3. Entonces:

600 ÷3= 200

Entonces Marco gasta 200 en ropa. Por lo que resta es 400, obtenido por la diferencia entre los 600 que poseía luego de entregar dinero a su madre y lo gastado en ropa.

Entonces, <u><em>a Marco le sobra 400.</em></u>

3 0
3 years ago
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