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MrRissso [65]
3 years ago
7

4^3/2-2^3*6+8(-1)^10

Mathematics
1 answer:
Pie3 years ago
3 0

Answer:

-24

Step-by-step explanation:

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Fill in the blanks ANGLES (I WILL GIVE BRAINLIEST! PLS HELP!)
schepotkina [342]

Answer:

  • See below

Step-by-step explanation:

If two triangles are congruent, then the corresponding sides and angles are congruent with each other.

<u>Given:</u>

  • ΔRED ≅ ΔSUN

<u>The following are congruent parts:</u>

  • ∠E ≅ ∠U
  • RE ≅ SU
  • ∠DRE ≅ ∠NSU
  • ∠R ≅ ∠S

<u>Note</u> <em>Pay attention to order of vertices when comparing the congruent parts</em>

8 0
3 years ago
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Why are points connected in a line graph but not in a bar graph?
BabaBlast [244]
The answer is a line graph  
8 0
3 years ago
Question 20
Andrej [43]

The distance between the bottom of the lighthouse and the boat is 77.6m.

<h3>What is the distance between the bottom of the lighthouse and the boat?</h3>

The lighthouse and the boat would form a right triangle. The height would be the height of the lighthouse. The  distance between the top of the lighthouse and boat would be the hypotenuse. The  distance between the bottom of the lighthouse and the boat would be the base.

In order to determine the required distance, Pythagoras theorem would be used.

The Pythagoras theorem: a² + b² = c²

  • where:
    a = length
  • b = base
  • c = hypotenuse

125²  = 98²  + b²

b² = 125²  - 98²

b = √(25²  - 98² )

b = 77.6m

To learn more about Pythagoras theorem, please check: brainly.com/question/14580675

#SPJ1

3 0
2 years ago
Could someone please answer question b) ii) ?<br> The question is on the attached image.
mel-nik [20]

Answer:

b) i) Curve A

ii) - 1.75

iii) x = 1 - √5  or x = 1 + √5

Step-by-step explanation:

b) i) We are given a function y = x² - 2x - 3 and the graph of this function is also shown in the side diagram.

The equation can be rearranged to y = (x - 1)² - 4

⇒ (x - 1)² = y + 4

Therefore, this is an equation of a parabola having the vertex at (1,-4) point and its axis is parallel to the positive y-axis.

So, the curve A represents the equation given. (Answer)

ii) Now, at x = 2.5, f(x) = 2.5² - 2 × 2.5 - 3 = - 1.75 (Answer)

iii) When y = 1, then x² -2x - 3 = 1

⇒ x² - 2x - 4 = 0

⇒ (x - 1)² - 5 = 0

⇒ (x - 1)² - (√5)² = 0

⇒ (x - 1 + √5)(x - 1 - √5) = 0

⇒ x = 1 - √5  or x = 1 + √5 (Answer)

3 0
3 years ago
What to numbers multiply to -36 and add to 9
kari74 [83]
12 and -3.
-3 * 12 = -36, and
12 - 3 = 9

There's your answer!
5 0
3 years ago
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