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lawyer [7]
2 years ago
5

Simplify the following expression by combining like terms.

Mathematics
1 answer:
Nikitich [7]2 years ago
4 0

Answer:

5d² - 3d

Step-by-step explanation:

Given

4d² + d² - 2d - d ← collect like terms

= (4 + 1)d² + (- 2 - 1)d

= 5d² + (- 3)d

= 5d² - 3d

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Step-by-step explanation:

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Can someone please help me with this
Nesterboy [21]

Answer:

m∠Q = 121°

m∠R = 58°

m∠S = 123°

m∠T = 58°

Step-by-step explanation:

The sum of the interior angles of a quadrilateral = 360°

Create an expression for the sum of all the angles and equate it to 360, then solve for x:

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m∠R = x = 58°

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2 years ago
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