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AleksandrR [38]
2 years ago
5

The ratio of female learners to male learners in a class is 3:2. If there are 30 female learners in the class, work out:

Mathematics
1 answer:
saul85 [17]2 years ago
3 0

Answer:

20 male learners
Total number of learners is 50

Step-by-step explanation:

(See attachment below)

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Identify the equation in slope-intercept form for the line containing the point (0,7) and perpendicular to y=−5/4x+11/4. HELP PL
777dan777 [17]

To write the equation of a line I need slope and y intercept (0,y)

I have y intercept (0,7)  of +7 as written in the equation

The equation y=-5/4x + 11/4 has a slope of -5/4

To get perpendicular slope is negated reciprocal

so take -5/4 and flip it -4/5 and change the sign (in this case negative to positive)  4/5

so the new equation is y=4/5x +7 (third one)

6 0
3 years ago
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What is 16% of 375?Thank You
Elan Coil [88]
The answer would be 60 hope this helps
6 0
2 years ago
25 POINTS
Semenov [28]

If the slope of AB = CD and BC = AD it's a parallelogram:

Slope of AB = 6+1 / -9+5 = -7/4

CD = -2-5 / 3+1 = -74

These are equal.

BC = 5-6 / -1 +9 = -1/8

AD = -2 +1 / 3+5 = -1/8

These are also equal so it is a parallelogram.

Now to find if the diagonals are perpendicular find the slope of the perpensicular points:

AC = 5 +1 / -1 +5 = 6/4 = 3/2

BD = 6+2 / -9 -3 = 8/-12 = -2/3

Because BD is the reciprocal of AC, this means they are perpendicular.

And because AB is not perpendicular to AD ( AB and AD are not reciprocals) it is a rhombus.

5 0
3 years ago
One kind of bacteria in a laboratory culture triples every 30 minutes. Suppose the culture is started with 20 bacteria cells. Ho
IgorC [24]

Answer:

2 hours = 4 * 30 minutes

30 * 3 = 90

90 * 3 = 270

270 * 3 = 810

810 * 3 = 2430

So after 2 hours you will have 2430 bacteria cells.

Step-by-step explanation:

3 0
3 years ago
Marco has baked and frosted 4 dozen heart-shaped sugar cookies to bring to his class party. He wants to
Sedbober [7]

Answer:

<h2>16</h2>

Step-by-step explanation:

4 x 12=48           48 divided by 3=16  

4 0
2 years ago
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