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Rasek [7]
2 years ago
13

Which of the following statements is true?

Mathematics
1 answer:
boyakko [2]2 years ago
5 0

Answer:

B) Aluminum and steel are good conductors of electricity.

Step-by-step explanation:

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What is the perimeter of ABC with vertices at A (-11,4) B(-7,8) and C (-4,4)
Alborosie

Answer:

Step-by-step explanation:

Using the distance formula,

AB=\sqrt{(-11-(-7))^{2}+(4-8)^{2}}=\sqrt{16+16}=4\sqrt{2}\\AC=\sqrt{(-11-(-4))^{2}+(4-4)^{2}}=7\\BC=\sqrt{(-7-(-5))^{2}+(8-4)^{2}}=\sqrt{4+16}=2\sqrt{5}\\\\

So the perimeter is 4\sqrt{2}+7+2\sqrt{5}

3 0
2 years ago
Please help! im bad at this!
mart [117]
What type of math is this, is this algebra?
6 0
3 years ago
Heather is going to graph y= -3x^2 +3. How is the parent graph transformed
Akimi4 [234]
Well compared to the parent function x^2, the graph of y=-3x^2+3 is flipped upside down (negative sign), steeper, and is up 3 units from the origin.
6 0
3 years ago
Please answer this it’s not answered on brainly yet
Tema [17]

Answer:

125.92 sq cm

Step-by-step explanation:

You need to find the area of all the sides, so:

2(2.2 * 9.1) + 2(2.2 * 3.8) + 2( 9.1 * 3.8)

= 125.92 sq cm

4 0
3 years ago
Read 2 more answers
As.
Natalka [10]

9514 1404 393

Answer:

  • 4/13 h ≈ 0.308 h
  • 22 9/13 km ≈ 22.7 km

Step-by-step explanation:

Mary and Amaruk are starting 35 -15 = 20 km apart. Their closing speed is 40 +25 = 65 km/h. The time it will take to close the gap between them is ...

  t = (20 km)/(65 km/h) = 20/65 h = 4/13 h ≈ 0.308 h

They will pass each other after 4/13 hours, about 18 minutes 28 seconds.

__

In that time, Mary will have increased her distance from Hall Beach by ...

  d = (4/13 h)(25 km/h) = 100/13 km = 7 9/13 km

Her distance from Hall Beach when she passes Amaruk will be ...

  15 km + 7 9/13 km = 22 9/13 km ≈ 22.7 km . . . . . distance from Hall Beach

6 0
3 years ago
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