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goldenfox [79]
3 years ago
12

I'm in need of assistance here, please answer ASAP!

Mathematics
2 answers:
Zina [86]3 years ago
8 0

What u need help with?

Ainat [17]3 years ago
3 0

Answer: where do you need assistance

Step-by-step explanation:

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Counted a total of 40 white cars and yellow cars there were 9 times as many as white cars as yellow cars. how many white cars di
Law Incorporation [45]
Let W = number of white cars, and Y = number of yellow cars.
There were 9 times as many white cars as yellow cars. This means that the number of white cars was 9 times more than the number of yellow cars. This can be translated by the expression:
9Y = W
The person counted  40 cars in total:
W + Y = 40

So we get the system:
\left \{ {{W+Y=40} \atop {9Y=W}} \right.

In the first equation, we multiply by 9:
9W + 9Y = 360
In the second equation:
9Y= W
W-9Y = 0

Then we add the first with the second equation:
9W + 9Y + W - 9Y = 360
10 W = 360
W = 36

So He counted 36 white cars.

Hope this Helps! :)

8 0
3 years ago
I dont understand linear equations,what is the purpose of a linear equation?
Darina [25.2K]

A linear equation in two variables describes a relationship in which the value of one of the variables depends on the value of the other variable. In a linear equation in x and y, x is called x is the independent variable and y depends on it. We call y the dependent variable.

4 0
3 years ago
Read 2 more answers
Describe a sequence of reflections, rotations, and translations that shows that quadrilateral ABCD is congruent to quadrilateral
rusak2 [61]

Answer:

Rotate it counterclockwise then reflect it across the Y-axis

hope this helped :)

Step-by-step explanation:

3 0
3 years ago
A courier service charges a $5 pick up fee plus $0.15 per mile the total charge to deliver a package was $7.85 how many miles di
vladimir2022 [97]

Answer:

19 miles

Step-by-step explanation:

7.85-5

285/15=19

7 0
3 years ago
Read 2 more answers
Each one of four pies were cut into 8 pieces for dinner. After dinner there remained 1/2 of a pie, o pie, 3/8 of a pie and 5/$of
Marizza181 [45]

Answer: What you would have left is 12 pieces of pie

Step-by-step explanation: As stated in the question, one pie has been sliced into 8 pieces, and there are three pies in all. That means we had at the beginning 3 x 8 slices of pie which equals 24 pieces.

Also if each pie had been sliced into 8 pieces then each can be represented as 8/8. Therefore eating one slice would leave you with 7/8 (that is 8/8 minus 1/8).

So, each of the three pies now have the following left overs;

1/2, 3/8 and 5/8.

Adding them all together would give,

1/2 + 3/8 + 5/8

Using 8 as the common denominator

4/8 + 3/8 + 5/8

(4 + 3 + 5)/8

12/8.

Therefore, there would be 12 pieces left altogether, which can also be expressed as one pie and 4 pieces.

8 0
3 years ago
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