3 years ago

Are they simular and why

Mathematics

1 answer:

S_A_V [24]3 years ago

4 0

Answer:

YES

Step-by-step explanation:

because there the same shape but the right one is moved to the side a little bit

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-3+(-6) is ___ units from -3 in the positive or negative direction.

Lisa [10]

Answer:

-3+(-6) = -9

Step-by-step explanation:

a negative 3 plus another negative 6 is a negative 9. Is just like if you borrow $3 from your friend and borrow $9 from another friend. That means you own two of your friends a total of $9. This can be mathematically illustrate as: -3 + (-6)= -9

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3 years ago

HURRY!!!!!!!!! Given P(5,10,8) and Q(7,11,10), find the midpoint of the segment PQ.

rusak2 [61]

Answer:

$P_{m}=(6,10.5,9)$

Step-by-step explanation:

The mid point can be found with the formula

$P_{m}=(\frac{x_{1}+x_{2} }{2},\frac{y_{1} +y_{2} }{2} ,\frac{z_{1}+z_{2} }{2} )$

The given coordinates are $P(5,10,8)$ and $Q(7,11,10)$ .

Replacing coordinates in the formula, we have

$P_{m}=(\frac{5+7}{2},\frac{10+11 }{2} ,\frac{8+10}{2} )=(\frac{12}{2},\frac{21 }{2} ,\frac{18}{2} )\\P_{m}=(6,10.5,9)$

Therefore, the mid point of the segment PQ is $P_{m}=(6,10.5,9)$

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4 years ago

ASAP PLS! What is 2k^2+3k-13=k^2+15?

shepuryov [24]

2k^2+3k-13=k^2+15

subtract k^2 -15 from each side

k^2 +3k -28=0

(k+7)(k-4)=0

k=-7 k=4

Answer: k= -7,4

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3 years ago

Angle 2 is 60. Find angle 8. Options: 140 100 40 60

pav-90 [236]

Angle 8 is 60 too
eee

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3 years ago

Solve each system of equations below by the substitution method. And show your work.

Simora [160]

Instead of typing it all on here, I included my explanations with the work.

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3 years ago

Are they simular and why​

Are they simular and why