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zhuklara [117]
2 years ago
7

The x coordinates of the point where 2y-x=10 intersect the line y=3x​

Mathematics
1 answer:
Andrei [34K]2 years ago
8 0

Answer:

5

Step-by-step explanation:

2y=10+x

y=3x

Equalizing both sides:

10+x=3x

10=3x-x

10=2x

x=5

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Answer:

about 32%

Step-by-step explanation:

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3 years ago
40% of the students in a class are girls and the number of boys is 24 find the total number of students and the number of girls​
navik [9.2K]

Answer:

Girls = 16

Total students = 40

Step-by-step explanation:

40% of the students are girls, this means 60% of the students are boys.

To find the number of girls, setup a proportion using the percentages and actual number of students in the class. I am going to make the numerator the numbers that go with the girls and the denominator will be the numbers that go with the boys.

Also let's convert the percentages to decimals by moving the decimal two places left.

40% = 0.4 and 60% = 0.6

\frac{.4}{.6} =\frac{g}{24} \\.6g=9.6\\\frac{.6g}{.6} =\frac{9.6}{.6} \\g=16

Now let's find the total number of students by adding the number of girls to the number of boys.

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7 0
1 year ago
Please Help!
MAVERICK [17]
For a translation of 4 units right, the graph will become -3(x-4). the 4 is negative to indicate that the translation is right.
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5 0
3 years ago
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katen-ka-za [31]

Answer:

(-1/3, 3/4)

Step-by-step explanation:

9x + 8y = 3

6x - 12y = -11

Let's solve the system by eliminating x. We need the coefficients of x to be additive inverses, so they will add to zero eliminating x. The LCM of 9 and 6 is 18. Let's multiply both sides of the first by 2 and both sides of the second equation by -3.

18x + 16y = 6

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The coefficients of x are 18 and -18, which add to zero. Now we add these two equations.

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4 0
2 years ago
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