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4 years ago

PLZZZ HELP

1 answer:

4 0

33.78 is your answer

1.85+8.56= 10.41

6.3+2.73= 9.03

5.25+4.09= 9.34

10.41+9.03+9.34= 28.78

28.78+7.95= 36.73

36.73 - 0.85= 35.88

35.88 - 2.1= 33.78

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The Ratio of boys to girls at a middle school is 3:2. If the school has 400 people how many will be boys?

Mekhanik [1.2K]

You have to divide 400 by 5. That will equal 80. Since the ratio is 3:2 Just multiply 3 by 80 then 2 by 80! :-)

You can check it by simplifying it again.

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4 years ago

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Help with math pls Question: Which ratio tables are correct? (Also: Select *all* that apply) Which means there is more than one

masha68 [24]

Answer:

Step-by-step explanation:

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4 years ago

What is the equation of the line that is parallel to the given line and passes theought the point (12, -2)

Nesterboy [21]

Answer:

Option D (y = 5/6x -12).

Step-by-step explanation:

Hey there!

The equation of the line which passes through the point (12,-2) is (y+2) = m2(x-12)………(i) [Using one point formula].

According to the question, the first line passes through point (12,6) and (0,-4).

So,

$slope(m1) = \frac{y2 - y1}{x2 - x1}$

$or \: m1 = \frac{ - 4 - 6}{0 - 12}$

$or \: m1 = \frac{5}{6}$

Therefore, the slope of the line is 5/6.

Now as per the condition of parallel lines, m1 =m2 = 5/6.

So, keeping the value of m2 in equation (i), we get;

(y+2) = 5/6(x-12)

$y + 2 = \frac{5}{6} x - 10$

or, y = 5/6x - 12.

Therefore, the required equation is y = 5/6 X - 12.

Hope it helps!

3 0

3 years ago

*100 points* *Please help* *Spam reported*

Trava [24]

Answer:

8x + 12y = 360

x-intercept = 45

y-intercept = 30

Slope = -3/4

Step-by-step explanation:

To begin, let's start with what we know

8 vans + 12 buses = 360 student

If we have vans as the variable x, having an unknown amount of students, and buses as y, also an unknown amount of students, also making 360 a flat number, we will get the equation

8x + 12y = 360

With this equation, we can find the y-intercepts and x-intercepts

The y-intercept can be found when x = 0, so let's substitute that in

8(0) + 12y = 360

12y / 12 = 360 / 12

y = 30

The x-intercept can be found when y = 0, so let's substitute that in

8x + 12(0) = 360

8x/8 = 360/8

x = 45

So, the x-intercept is 45 and the y-intercept is 30.

Next, let's find the slope. We can solve this easily by isolating y and finding the coefficient of x

8x + 12y = 360

-8x -8x

12y = 360 - 8x

12y / 12 = (360 - 8x) / 12

y = 30 - 3/4x

The coefficient of x is -3/4, so the slope will be -3/4

If you have any questions, please let me know in the comments! If you could mark this answer as the brainliest, I would greatly appreciate it!

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Which one is the correct answer?

Molodets [167]

The answer selected is the correct answer because all of the other ones are equivalent to each other.

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