B is shown to be in four planes. True Or False

Mathematics

2 answers:

VARVARA [1.3K]4 years ago

7 0

This is True Because for each triangle plane, B is one of its points

Olegator [25]4 years ago

5 0

the answer is true

hope this helps u

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8h 39min<br> + 3h 25min<br> ------------------<br> h min

Mice21 [21]

Answer:

12h4min

Step-by-step explanation:

39 + 25=64

1h=60mins

so 64/60=1 and the remain is 4.

4 is minute and 1 is hour

8 + 3 + 1=12hours

so The Answer is 12hours 4minutes

7 0

3 years ago

Number 21 please and how to do it step by step

Sonbull [250]

-4y+5x=8
3y-3x=-3 -->    divide by (3) y-x=-1
   then multiply by (4) 4y-4x=-4

-4y+5x=8
4y-4x=-4
---------------
x=4

then plug x=4 in
4y-4x=-4
4y-4(4)=-4
4y-16=-4
4y=12
y=3

solution: (4;3)

4 0

3 years ago

Prove that root 7 is irrational by the method of contradiction

Alchen [17]

Let assume that $\sqrt7$ is a rational number. Therefore it can be expressed as a fraction $\dfrac{a}{b}$ where $a,b\in\mathbb{Z}$ and $\text{gcd}(a,b)=1$ .