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katrin [286]
3 years ago
9

Find the sum. 2.680 34.200 +20.386

Mathematics
2 answers:
Talja [164]3 years ago
8 0
Answer: 57.266

Align all the decimal point and do the operation required.


Drupady [299]3 years ago
4 0
2.680+34.200+20.386=57.266
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In kite ABCD, mZBAE = 28º and mZBCE = 58°. Find mZABE.<br> B<br> E<br> А<br> С<br> D<br> mLABE =
Digiron [165]

Answer:

m∠ABE = 62°

Step-by-step explanation:

Since, the given quadrilateral is a kite, diagonals will intersect at 90°.

Therefore, m∠AEB = m∠CEB = 90°

m∠BAE = 28° [Given]

m∠BCE = 58° [Given]

From ΔABE,

m∠BAE + m∠BEA + m∠ABE = 180°

28° + 90° + m∠ABE = 180°

m∠ABE = 180° - 118°

             = 62°

Therefore, measure of angle ABE = 62°.

3 0
3 years ago
HELP WHAT EQUATION MATCHES THE GRAPH? PLEASE HELP ME​
Alexandra [31]

Step-by-step explanation:

I think no. c is correct

if it helps you then plzz mark me brainliest

8 0
3 years ago
Solve (10b+7b^2-6b^3)-(12b^2-3b^3)
MrRa [10]

Answer:

-3b³ - 5b² + 10b

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define Expression</u>

(10b + 7b² - 6b³) - (12b² - 3b³)

<u>Step 2: Simplify</u>

  1. Distribute negative:                   10b + 7b² - 6b³ - 12b² + 3b³
  2. Combine like terms (b³):            -3b³ + 10b + 7b² - 12b²
  3. Combine like terms (b²):            -3b³ - 5b² + 10b
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3 years ago
50 POINTS. For what value of the variable is the value of the expression is -3(2x+1) is 20 greater than the expression 8x+5? Ple
Ostrovityanka [42]
-6x-3= 8x+25 just solve for x, then you get x=-2.
6 0
2 years ago
Read 2 more answers
Describe the cross section.
MatroZZZ [7]

Answer: D. Square

The cross section is shown as the shaded region. There are four sides to the shaded figure, so the cross section is a quadrilateral. This rules out choice C. We can also cross choice B off the list because cross sections of 3D figures are 2 dimensional.

Choice A is ruled out as well because we have both pairs of opposite sides that are parallel. The only thing left is choice D. This is true assuming we have a square prism. Any cube is a square prism that has its height equal to the width and length.

8 0
3 years ago
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