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Krishnamurthy
Ratios and Proportion?
420 coins consist of dimes, nickels and quarters.
Their values are in the ratio 4 : 2 : 1.
How are we to find the number of each type of coin?
Thanks a lot!
8 AnswersMathematics8 years agoHow are we to solve by factoring?
solve to obtain the 2 values:
5x^2 = 7x - 5
small value =
large value =
4 AnswersMathematics8 years agoHow will you find an angle?
Four times the complement of an angle is 9° more than the supplement of the angle.
Find the angle.
a.) 33°
b.) 57°
c.) 53°
d.) 37°
2 AnswersMathematics8 years agoHow will you find an angle?
The supplement of an angle is 30° larger than twice its complement.
Find the angle.
a.) 20°
b.) 30°
c.) 25°
d.) 35°
3 AnswersMathematics8 years agoHow will you find the measures of two complementary angles?
Find the measures of two complementary angles,
if 7 times the measure of one is
20° less than three times the measure of the other.
a.) 25°, 65°
b.) 25°, 75°
c.) 38°, 52°
d.) 38°, 142°
3 AnswersMathematics8 years agoHow will you find the dimensions of the following rectangle?
The length of a rectangle is 4 cm less than five times the width. The perimeter of the rectangle is 76 cm. Find the dimensions of the rectangle.
a.) 14, 66 cm
b.) 7, 27 cm
c.) 7, 31 cm
d.) 7, 39 cm
4 AnswersMathematics8 years agoHow will you find the measures of two supplementary angles?
How will you find the measures of two supplementary angles, if 3 times the measure of one is equal to twice the measure of one is equal to twice the measure of the other.
a.) 72°, 108°
b.) 54°, 126°
c.) 90°, 180°
d.) 45°, 135°
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You may know that a mnemonic PEMDAS which stands for "Please Excuse My Daring Aunt Sophie" is used in Mathematics.
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