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Elodia [21]
2 years ago
13

What is -2.3 - (4.5 - 3 1/2)?

Mathematics
2 answers:
Gemiola [76]2 years ago
4 0
-2.3 - (4.5 - 3\frac{1}{2}) = -3.3
wolverine [178]2 years ago
4 0

Answer:

3.3

Step-by-step explanation:

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The hypotenuse of a 45°-45°-90° triangle measures 4 cm. What is the length of one leg of the triangle? 2 cm 2 StartRoot 2 EndRoo
Oxana [17]

Answer:

2\sqrt{2} cm

Step-by-step explanation:

In order to solve this you just have to remember the formula for the sides and hypotenuse of the triangle rectangle:

c^{2} =a^{2} +b^{2}

Since A and B are equal we will use X to represent them both:

c^{2} =a^{2} +b^{2}\\4^{2} =x^{2} +x^{2}\\16 =2x^{2}\\8=x^{2} \\x=\sqrt{8}=\sqrt{4*2}=2\sqrt{2}

ANd by solving the equation we get that the length of the legs of the triangle rectangle with a hypotenuse of 4cm is 2\sqrt{2} cm

7 0
3 years ago
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Ishaan is 3 times as old as Christopher and is also 14 years older than Christopher.how old is christopher?
Sedbober [7]

i = 3c

i = c + 14

set both equations equal to each-other, we can

solve for c, we must.

3c = c + 14

subtract c from both sides, we must.

2c = 14

divide both sides by 2, we must.

c = 7

7 years old, Christopher is.

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3 years ago
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Please help asap 25 pts
Leviafan [203]

using the vertical line test

Graph b is a function

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2 years ago
What is the volume of the rectangular prism?
BaLLatris [955]

if you multiply 10.4x5x8 it equals 416 millimeters

6 0
3 years ago
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Please help with this question?!?
erik [133]

Answer:

416 mi

Step-by-step explanation:

In order to find the surface area, you must find the area of each square. There are a total of 6 that make up the prism.

<em>Remember to find the area it is length x width</em>

  1. 9 x 8 = 72 which is the area for 4 of the squares. 2 on the side and 2 on the bottom
  2. Lastly for the last 2 squares to find the area you multiply 8 x 8 = 64
  3. In total, you will add 72+72+72+72+64+64 which equals 416

3 0
2 years ago
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