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xenn [34]
3 years ago
5

What is -34 1/2 - 5 1/2

Mathematics
2 answers:
11111nata11111 [884]3 years ago
8 0

Answer is -40 two negatives stay negative because they are not multiplying and then just add the 1/2s together to get to -40

Verizon [17]3 years ago
3 0

The answer is -40 because if you get rid of the negative sign and add instead of subtract... you get 40 so its like adding in the opposite direction.

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3 years ago
1. Write the equation for a circle with center (1/2,3/7) and radius √13.
zhuklara [117]

Answer:

  (x -1/2)^2 + (y -3/7)^2 = 13

Step-by-step explanation:

The equation for a circle with center (h, k) and radius r is ...

  (x -h)^2 +(y -k)^2 = r^2

Filling in the given values results in the equation shown in the Answer space above.

8 0
4 years ago
Find the volume and surface area.
yawa3891 [41]

Answer: Formula used for pyramid is (V= 1/3 Bh   SA: 1/2 P*l+B) Final answer is SA=110.4   V=64

Step-by-step explanation:

P= Perimeter

l= length

B= Base

To find the perimeter you add all the sides of the base. (4+4+4+4)=16

To find the length you can use Pythagorean Theorem which is a(squared) + b(squared) = c(squared) where c is the hypotenuse. 2^{2} + 12^{2}= x^{2}

4+144=x^{2}

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To find the base it will be l*w (4*4)=16

Then you plug it in the formula for SA which will be

SA=1/2 16*12.8+16

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For Volume, it will be

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V= 1/3 16(12)

V= 64

4 0
3 years ago
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