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2 years ago

Please answer I’ll mark as brainliest

Mathematics

1 answer:

Zanzabum2 years ago

3 0

11. Angle: ∠HEJ Measure: 25°

(or Angle: ∠JEK Measure: 50°)

12. Angle: ∠DEK Measure: 140°

(or Angle: ∠FEH Measure: 115°)

13. ∠JED or ∠JEF

14. ∠DEF

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What value of b will make the expressions −12.8x+b and −3.2(4x−2.1)+2.4 equivalent?

telo118 [61]

$- 12.8x + b = - 3.2(4x - 2.1) + 2.4$

Distribute -3.2 through the parentheses

$- 12.8x + b = - 12.8x + 6.72 + 2.4$

Cancel equal terms on both sides of the equation

$b = 6.72 + 2.4$

Add the decimals

$b = 9.12$

<em>Thus, The expression are equivalent at b = 9.12...~</em>

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2 years ago

Kevin is twice as old as Sean. Together their ages add up to 75.

marissa [1.9K]

Answer:

Kevin would be 50 and Sean would be 25

Step-by-step explanation:

Assuming that there is no other information given,

and Kevin is twice as old as sean, and they gotta add up to 75 total

50 + 25 = 75

25x2 = 50

Hope this helped!

8 0

3 years ago

Read 2 more answers

Round each number to the nearest...

crimeas [40]

To round a number to the nearest position, we must consider the number after that position. If it is greater than 5, we must round up and vice versa

1. 29.526 --> 29.5

2. 71.284 --> 71.28

3. 648.722 --> 648

Hope that helps!

5 0

3 years ago

Read 2 more answers

Which equation is equivalent to 11x-(2-x)=51?

alexira [117]

Answer:

Step-by-step explanation:

11x-2+x=51

12x-2=51 add the x's together

12x=53 add 2 to each side

5 0

3 years ago

If the measure of wyz =27 what is the measure of zyx

STALIN [3.7K]

Answer:

Step-by-step explanation:

compitative property

7 0

3 years ago