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GREYUIT [131]
2 years ago
5

Of the 35 students on student counsil 60% of the students are boys how many are girls

Mathematics
1 answer:
UkoKoshka [18]2 years ago
5 0

Known facts:

  • total number of students on the council: 35
  • 60% of the council students are boys

Results:

  • therefore 40% of the total number of council students are girls.

Calculation:

   \frac{40}{100} *35=14  

Therefore there are 14 girls.

Hope that helps!

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two friends are collecting school supplies. barbara had 4 more than triple as her friend lisa. together, they have 40 supplies.
Wewaii [24]

Answer:

3(10 + 4) = 34 + 6 = 40

Step-by-step explanation:

Barbara has 30 school supplies plus an extra 4. Lisa on the other hand has 6. In total they have 40.

3 0
3 years ago
The ratio of 5 rupee notes to 10 rupee notes in a purse is 3 : 4. There are 77 notes in the purse. How much money is there in th
Norma-Jean [14]

Answer:

605 rupees

Step-by-step explanation:

add the parts of the ratio 3 + 4 = 7

divide the number of notes by 7 to find one part of the ratio

\frac{77}{7} = 11 ← 1 part of the ratio

3 parts = 3 × 11 = 33 ← number of 5 rupee notes

4 parts = 4 × 11 = 44 ← number of 10 rupee notes

Amount of money = (33 × 5 ) + (44 × 10) = 165 + 440 = 605 rupees



4 0
3 years ago
What is the standard form of the equation of the circle x2 -4x + y2 + 6y + 12 = 0?
Rashid [163]
We take the equation
                            <span>x^2 -4x + y^2 + 6y + 12 = 0
and complete the square for x and y.
                             </span><span>x^2 -4x + 4 - 4 + y^2 + 6y + 9 - 9 + 12= 0</span>
<span>                                            (x-2)^2 - 4 + (y+3)^2 - 9 = -12</span>
<span>                                                       <span>(x-2)^2+ (y+3)^2  = 1
Therefore the answer is </span></span><span>(x-2)^2+ (y+3)^2  = 1</span>
4 0
3 years ago
In 2011, it was estimated that the number of U.S households which had dogs as pets was 4.33 x 10^7 and the average number of dog
poizon [28]

The right answer is

D. 6.93 X 10^7

4 0
4 years ago
Please help! i can’t seem to find a answer to the this question.
DiKsa [7]

Answer:

B (6,0) because when graphed it would make a 90° angle

8 0
3 years ago
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