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3 years ago

A single year on Saturn is equal to 29.4 years on earth. About how many earth years are equal to 3.2 years on Saturn

Mathematics

1 answer:

-Dominant- [34]3 years ago

5 0

1 year on Saturn = 29.4 years on Earth.

3.2 * 29.4 = 94.08

94.08 years on Earth are equal to 3.2 years on Saturn.

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What is the first step to solve the following system of equations using substitution?

Akimi4 [234]

Answer:

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

Thus, option A) is true.

The solution to the system of equations be:

$x = 4, y = 5$

Step-by-step explanation:

It is important to remember that when we solve the system of equations, the first step we need to do is to solve one of the equations for one of the variables.

Given the system of equations

$x - y = -1$

$2x - y = 3$

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

$x-y=-1$

Add y to both sides

$x-y+y=-1+y$

$x=-1+y$

Thus, option A) is true.

NOW LET US SOLVE THE REMAINING PORTION

$\mathrm{Subsititute\:}x=-1+y$ to solve for y

$\begin{bmatrix}2\left(-1+y\right)-y=3\end{bmatrix}$

$-2+y=3$

$y=5$

For x = -1 + y

substitute y = 5

$x=-1+5$

$x=4$

Thus, the solution to the system of equations be:

$x = 4, y = 5$

3 0

3 years ago

Trisha and Byron are washing and vacuuming cars to raise money for a class trip. Trisha raised $38 washington 5 cars and vacuumi

ANEK [815]

Answer:

They charged $6 for washing and $2 for vacuuming the car.

Step-by-step explanation:

Let the charge of washing a car be 'x'.

And also let the charge of vacuuming a car be 'y'.

Now according to question, Trisha raised $38 washing 5 cars and vacuuming 4 cars.

So framing the above sentence in equation form, we get;

$5x+4y=38\ \ \ \ \ equation\ 1$

Again according to question, Byron raises $28 by washing 4 cars and vacuuming 2 cars.

So framing the above sentence in equation form, we get;

$4x+2y=28\ \ \ \ \ equation\2$

Now multiplying equation 2 by '2', we get;

$2(4x+2y)=28\times2\\\\8x+4y=56\ \ \ \ equation\ 3$

Now we subtract equation 1 from equation 3 and get;

$(8x+4y)-(5x+4y)=56-38\\\\8x+4y-5x-4y=18\\\\3x=18\\\\x=\frac{18}{3}=6$

Now substituting the value of 'x' in equation 1, we get;

$5x+4y=38\\\\5\times6+4y=38\\\\30+4y=38\\\\4y=38-30=8\\\\y=\frac{8}{4}=2$

Hence They charged $6 for washing and $2 for vacuuming the car.

8 0

3 years ago

Dorji thought of a number. He first multiplied the number by 3 and then subtracted 12

jeyben [28]

Answer

The answer is 24

Step-by-step explanation

24 x 3 = 72
72 - 12 = 60
60/6 = 10
10 - 4 = 6

6 0

3 years ago

Find the value of each variable in each parallelogram. T

Pepsi [2]

A Parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite sides of a Parallelogram are of same length and opposite angles are same.

Step-by-step explanation:

Properties of a Parallelogram

Both Pairs of Opposite sides are Parallel
Both Pairs of Opposite sides are Congruent
Both Pairs of Opposite angles are Congruent
Consecutive angles are supplementary
Daigonals bisect each other.

8 0

4 years ago

Please help me

Whitepunk [10]

First solve your inequality step by step.

y+15<3

= y<-12

Answer is A. y<-12

Answer will help you.

Brainliest answer and Verified answers.

4 0

3 years ago