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3 years ago

Find square of (6m-5n) by using formula.

Mathematics

1 answer:

pshichka [43]3 years ago

4 0

Answer:

36m² -60mn +25n²

Step-by-step explanation:

Formula=(a-b)²=a²-2ab+b²

(6m-5n)²

=(6m)²- 2×6m×5n + (5n)²

=36m² -60mn +25n²

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The diameter of the larger circle is 10.5 cm. The diameter of the smaller circle is 4.5 cm.

blondinia [14]

4.5 / 2 = 2.25cm radius for the smaller circle

3.14 (pi) × 2.25² = 15.89625cm²

10.5 / 2 = 5.25cm radius for the larger circle

3.14 × 5.25² = 86.54625cm²

86.54625 - 15.89625 = 70.65cm²

The answer is 70.7cm².

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3 years ago

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Malcom is filling bags with rice . He starts with a 5 1/4 pound container of rice and fills each bag with 5/8 pounds of rice . H

timama [110]

Answer:

Malcolm would fill 8 bags of rice.

Step-by-step explanation:

The size of the container of rice = 5 $\frac{1}{4}$ pounds = $\frac{21}{4}$ pounds.

Each bag of rice has a capacity of $\frac{5}{8}$ pounds.

The number of bags of rice that Malcolm fills = $\frac{total quantity of rice}{capacity of each bag}$

= $\frac{21}{4}$ ÷ $\frac{5}{8}$

= $\frac{21}{4}$ x $\frac{8}{5}$

= $\frac{42}{5}$

= 8 $\frac{2}{5}$

Therefore, Malcolm would be able to fill 8 bags of rice.

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3 years ago

What is 2/5 + + 2/5 + 2/5 (2/5 times 3) Ty

yuradex [85]

Answer:

6/5 or 1 1/5

Step-by-step explanation:

2/5 + 2/5 + 2/5 = 6/5 or 1 1/5

This is the same as multiplying 3 x 2/5 = 6/5 or 1 1/5

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2 years ago

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Tpy6a [65]

Answer:

angle abc=125°

.......................

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kolbaska11 [484]

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Hope it helped,

BioTeacher101

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3 years ago

Find square of (6m-5n) by using formula.​

Find square of (6m-5n) by using formula.