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Elodia [21]
3 years ago
9

Describe how to use special product patterns to find 21^2

Mathematics
1 answer:
Alex777 [14]3 years ago
6 0

Answer:

21 x 21 = 441

Step-by-step explanation:

Whenever there is an exponent that is the many times you multiply the base by itself to.

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3/8 * 4 ____*____=_____=______
kirill [66]

Answer:

your answer is 1.5 150% or 3/2 there all the same anyway

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5 0
3 years ago
18. Last time Francis checked, her credit score was 659. Since then, she applied
zepelin [54]

Answer:

634

Step-by-step explanation:

659-25=634

Poor little Francis. :(

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3 years ago
What is the answer to try and find the Surface area of a triangular prism for this question ​
Drupady [299]

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Step-by-step explanation:

3 0
3 years ago
Is this right or wrong ?
Otrada [13]

Answer:

(3x - 2)(4x + 6) = 12 {x}^{2} + 18x - 8x + - 12 \\  = 12 {x}^{2} + 10x - 12

6 0
3 years ago
Us<br> Find the area shaded in yellow.<br> [ ? ] square units
ira [324]

Answer:

45 square units

Step-by-step explanation:

You can cut the yellow figure into a triangle (4 by 5) and a rectangle (7 by 5).

Using the formula \frac{1}{2} *b*h and l*w area formulas, we get:

\frac{1}{2} *4*5+7*5=\\2*5+7*5=\\10+35=\\45

The area shaded in yellow is 45 square units

6 0
3 years ago
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