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3 years ago

I earned $100. I wish to give 15% of this to my mother. How much should I give her?

2 answers:

6 0

<h2><em>All of it. Be kind to your mother.</em></h2><h2><em></em></h2><h2><em></em></h2><h2><em></em></h2><h2><em>In all seriousness, 15% of 100 is itself. 15. If it was 27%, it'd be 27. So on and so forth.</em></h2>

Natali [406]3 years ago

6 0

Answer:

$15

Step-by-step explanation:

15% = 0.15

100(.15) = 15

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X + 7y = 21<br> x + 4y = 15<br> Solve the simultaneous equations

Mariulka [41]

<u>Answer</u>:

x = 7, y = 2

<u>Explanation</u>:

equations given:

x + 7y = 21

x + 4y = 15

make "x" the subject:

x + 7y = 21

x = 21 - 7y .........equation 1

x + 4y = 15

x = 15 - 4y .......equation 2

Solving both the equations simultaneously:

15 - 4y = 21 - 7y

-4y + 7y = 21 - 15

3y = 6

y = 6 ÷ 3

y = 2

If y is 2

Then x = 21 -7y;

x = 21 - 7(2)

x = 21 - 14

x = 7

8 0

3 years ago

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What's bigger 5/6 or 1/2

elena-14-01-66 [18.8K]

5/6 = 0.833
1/2 = 0.5

so u see, 5/6 is bigger

7 0

4 years ago

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Rina8888 [55]

Answer:

67.5°

Step-by-step explanation:

This is an isosceles triangle with M at the top.

180-45=135

135/2=67.5

3 0

3 years ago

What is (f + g)(x)?<br> f(x) = -3x²<br> g(x) = 4x + 3

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Answer:

(f+g)(x)=-3x^2+4x+3

Step-by-step explanation:

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6 0

2 years ago

In a certain English class, \small \frac{1}{4} of the number of girls is equal to \small \frac{1}{6} of the total number of stud

strojnjashka [21]

Answer:

The ratio of the number of boys to the number of girls in the class 1 to 2 or 1/2.

Step-by-step explanation:

Consider the provided information.

Let g is number of girls, and b is number of boys.

The total number of students is b + g.

It is given that, In a certain English class, 1/4 of the number of girls is equal to 1/6 of the total number of students.

$\frac{g}{4} = \frac{b + g}{6}$

Solve the above equation.

$6g=4b+4g$

$2g=4b$

$\frac{b}{g}=\frac{2}{4}$

$\frac{b}{g}=\frac{1}{2}$

Hence, the ratio of the number of boys to the number of girls in the class 1 to 2 or 1/2.

8 0

3 years ago