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3 years ago

What is y-13x=9 and how did you solve it

Mathematics

1 answer:

AURORKA [14]3 years ago

4 0

Simplifying

y + -13x = 9

Reorder the terms:

-13x + y = 9

Solving

-13x + y = 9

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1y' to each side of the equation.

-13x + y + -1y = 9 + -1y

Combine like terms: y + -1y = 0

-13x + 0 = 9 + -1y

-13x = 9 + -1y

Divide each side by '-13'.

x = -0.6923076923 + 0.07692307692y

Simplifying

x = -0.6923076923 + 0.07692307692y

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Write one number that is a factor of 13.

maw [93]

Answer: 1 and 13

Step-by-step explanation: To find the factors of 13, begin by dividing 13 by 1 which gives us 13. This tells us that 1 and 13 are factors of 13.

13 is a prime number which means it only has two factors which are 1 and 13.

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3 years ago

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Henry decorate the top of each cupcake with 3 walnuts he 5 packages that contain 27 walnuts each does henry have enough to decor

siniylev [52]

Answer:

No, he does not have enough

Step-by-step explanation:

To decorate each cupcake, Henry needs 3 walnuts. Each package has 27 walnuts. With each cupcake needing 3 walnuts, Henry can decorate 9 cupcakes in one package. He has 5 packages which means he can decorate 9*5=45 cupcakes. However, he is making 4 dozens which is 4*12=48. He will not have enough.

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3 years ago

Use calculus to find the volume of the following solid S S : The base of S is a circular disk with radius r. Parallel cross-sect

choli [55]

Answer:

The correct answer is: A = 1/2 bh V = integral A(x) from [-r, r].

Step-by-step explanation:

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3 years ago

jessie will pack a suitcase with books. The total weight of the suitcase and books can be no more than 50 pounds. The empty suit

olga55 [171]

Answer:

20 is the answer

Step-by-step explanation:

If you multiply 2.4 enough times until you hit 50 it’s 20x2.4 bc 2.4x21 is 50.4 a little over

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3 years ago

Places A and B are 100km apart from each other on a highway. A car starts from A and another from B at the same time. If they mo

Mashutka [201]

Answer:

Speed of the first car = x = 35km/hr

Speed of the second car = 25km /hr

Step-by-step explanation:

The calculation of speeds of the cars is given below:-

Assume that the speed of the 1st car which is opening from A = x km/hr

and assume the Speed of the 2nd car which is starting from B

= y km/hr

As we know that

Time = Distance ÷ Speed

So, the distance lies between two places i.e. A and B are

80km d = 80 km

1. now when the car moves in the similar direction

So, the corresponding speed of them = (x + y)km/hr

Time = 8hr

d = 80km

$8 = \frac{80}{(x + y)}\\\\x + y = \frac{80}{8}\\\\x + y = 10 ..... (i)$

2. when two cars moving in the inverse direction,

So, the corressponding speed = (x - y) km / hr

Time = 1 hr 20 minutes

That means

= (1 + 20 ÷ 60) hr

= (80 ÷ 60)

= 4/3 hr

d = 80km

Now

4 ÷ 3 = 80 ÷ (x -y)

x -y = (80 × 3) ÷ 4

x - y = 60 ..... (ii)

Now, we will sum equation 1 and equation 2 we will get

2x = 70

x = 35

now, Put x = 35 in (i) we will get

y = 25

Speed of the first car = x = 35km/hr

Speed of the second car = 25km /hr

8 0

3 years ago