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katen-ka-za [31]
3 years ago
14

What is 15 girls to 6 boys as a fraction in simplest form

Mathematics
1 answer:
Rasek [7]3 years ago
4 0
2 1/2 this is the answer
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Shaylee has 77 pennies. She will trade in the pennies to get nickels.
Ghella [55]
0.77 / 0.05 = 15.4 ...so we know it is 15 nickels
15 * 0.05 = 0.75.....0.77 - 0.75 = 0.02....with 2 pennies left over
 
ur answer is : 15 nickels and 2 pennies left over
6 0
3 years ago
Read 2 more answers
What is the result of subtracting the second equation from the first?
Elina [12.6K]

Answer:

-9

Step-by-step explanation:

The awnswer to the first equation is -4 and -4-5 is equal to -9

7 0
3 years ago
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Classify the triangle by its sides and angles
viva [34]
A right triangle has one 90°angle, and the sum of the 2 other angles equals 90.

an equilateral triangle has all sides and angles of the triangle congruent. each angle will equal 60°

an isosceles triangle has 2 congruent sides and 2 congruent angles.

a scalene triangle has no equal sides or equal angles.

an obtuse triangle has one angle that is greater than 90°

an acute triangle has all angles that are less than 90°

Hope this helps you classify your triangles!



4 0
3 years ago
Select the expression that is equal to (9x + 3) – (5z - 7)
Shkiper50 [21]

Answer:

9x+10-5z

Step-by-step explanation:

(9x + 3) – (5z - 7)

9x+3-5z + 7)

<u>9x+10-5z</u>

6 0
3 years ago
Simplify : (√x + √y ) (√x − √y) (x + y)(x2 + y2)
Ivan

Solution, \mathrm{Expand}\::\left(\sqrt{x}+\sqrt{y}\right)\left(\sqrt{x}-\sqrt{y}\right)\left(x+y\right)\left(x^2+y^2\right):\quad :x^4-:y^4

Steps:

\mathrm{Expand}\:\left(\sqrt{x}+\sqrt{y}\right)\left(\sqrt{x}-\sqrt{y}\right):\quad x-y, =\left(x-y\right)\left(x+y\right)\left(x^2+y^2\right)

\mathrm{Expand}\:\left(x-y\right)\left(x+y\right):\quad x^2-y^2, =:\left(x^2-y^2\right)\left(x^2+y^2\right)

\mathrm{Expand}\:\left(x^2-y^2\right)\left(x^2+y^2\right):\quad x^4-y^4, =:\left(x^4-y^4\right)

\mathrm{Expand}\::\left(x^4-y^4\right):\quad :x^4-:y^4, =:x^4-:y^4

The correct answer is <u><em>x^4-y^4</em></u>

Hope this helps!!!

4 0
3 years ago
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