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allochka39001 [22]
3 years ago
10

Combine like terms. Please help me.

Mathematics
1 answer:
My name is Ann [436]3 years ago
3 0

Answer:

15y^2-45

Step-by-step explanation:

5y^2+10y^2-45 = 15y^2-45

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Convert number from scientific notation to standard notation 1.4×10^-8
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Answer:

Step-by-step explanation:

The answer is 0.000000014

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PLEASEEEEE HELPPPPP<br><br><br> Quick 15 points
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Answer:

Neither

Step-by-step explanation:

Since we only know the measure of the angles, we can only say the triangles are similar, not congruent.  We need at least one side measurement on each triangle to determine if the triangles are congruent.  And it would have to be the same side measurement.  Then we could use ASA (Angle side Angle) or AAS ( Angle Angle side) to determine congruence.

The triangles are similar

62+39 +79 = 180

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<A = 62 = <X = 62

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5 0
3 years ago
T F IfA and B are similar matrices, then AT=BT
muminat

Answer:

Step-by-step explanation:

We know that for two similar matrices A and B exists an invertible matrix P for which

[tex]B = P^{-1} AP[/tex]

∴ B^{T} = (P^{-1})^{T} A^{T} P^{T} \\

Also P^{-1}P = I\\

and (P^{-1})^{T} = (P^{T})^{-1}

∴(P^{-1})^{T}P^{T} = I

so, B^{T} = (P^{-1})^{T} A^{T} P^{T} = (P^{T})^{-1}A^{T} P^{T}\\B^{T} = A^{T} I\\B^{T} = A^{T}

7 0
3 years ago
What is an equation of the line that passes through the points (5, 2) and (-5, -6)?​
lawyer [7]

Answer:

y=4/5x + 2

Step-by-step explanation:

y=mx+b

find slope which is 8/10=4/5

choose a y and plug into problem

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