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3 years ago

14

WILL MARK AS BRAINLIEST IF YOU GET THE RIGHT ANSWER :)

1 answer:

Helen [10]3 years ago

8 0

For Part A, the answer would be 59%. You would just be adding 70 and 48 to get 118, then divide by 200 (the total amount of students). For Part B, the answer would be 51%. You would just add the total amount of girls and divide by the total amount of students, which is 102/200.

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Write an equation in slope-intercept form that goes through (12, 4) and (20,8).

spayn [35]

Answer:

Equation in slope-intercept form that goes through (12, 4) and (20,8) is: $y = \frac{1}{2}x-2$

Step-by-step explanation:

Given two points are:

$(x_1,y_1) = (12,4)\\(x_2,y_2) = (20,8)$

Slope intercept form of line is given as:

$y = mx+b$

Here m is the slope of the line and b is the y-intercept.

Slope of a line is calculated by the formula:

$m = \frac{y_2-y_1}{x_2-x_1}$

Putting the values

$m = \frac{8-4}{20-12}\\m = \frac{4}{8}\\m=\frac{1}{2}$

Putting the value of slope in slope-intercept form we get

$y = \frac{1}{2}x+b$

To find the value of b, any one point will be put in the equation

Putting the first point (12,4) in the equation

$4 = \frac{1}{2}(12) + b\\4 = 6+b\\b = 4-6\\b = -2$

Putting the value of b

$y = \frac{1}{2}x-2$

Hence,

Equation in slope-intercept form that goes through (12, 4) and (20,8) is: $y = \frac{1}{2}x-2$

4 0

2 years ago

Kali had a total of 212121 balloons at her birthday party. The ratio of blue balloons to green balloons is shown in the tape dia

Misha Larkins [42]

Answer:

Blue balloons = 12

Step-by-step explanation:

Total no of balloons = 21

Let us assume that the ratio of blue balloons to green balloons is 4:3.

Let there are 4x blue balloons and 3x green balloons.

ATQ,

4x+3x = 21

7x = 21

x = 3

Blue balloons = 4x

= 4(3)

= 12

Hence, she will have 12 blue balloons at her party.

5 0

2 years ago

<img src="https://tex.z-dn.net/?f=-5x-16%2B9x%2Bx-1" id="TexFormula1" title="-5x-16+9x+x-1" alt="-5x-16+9x+x-1" align="absmiddle

Talja [164]

Answer:

I have no clue what it is sorry

7 0

2 years ago

Adjacent, right angles are complementary.<br> always<br> sometimes<br> never

Harrizon [31]

B. <span>sometimes
is the right answer
</span> <span>Any two angles which add up to 90 degrees are complementary.</span>

8 0

3 years ago

Read 2 more answers

"The solution to the system is (#,#)." I'm really tired and for my life don't know the solution. Help please!

Anna71 [15]

Answer: (4,-5)

Step-by-step explanation:

8y = -40

(divide by 8)

y = -5

(plug it in to one of the equations)

3x + 6*-5 = -18

3x + -30 = -18

3x = 12

x = 4

6 0

3 years ago