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4 years ago

How many different 3-letter codes can be created from the first 8 letters of the alphabet? No letters can repeat.

Mathematics

2 answers:

poizon [28]4 years ago

8 0

Answer:

There are 336 possible codes Hopefully this helps!

timofeeve [1]4 years ago

6 0

There is 336 different codes.

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A teacher asked the class to solve the equation 3(times+2)= 21 Robert wrote 3 times + 6=21 as his first step. Which property did

suter [353]

He used 3 distributive property :)

3 0

3 years ago

Please help me I don’t know what to do

padilas [110]

X = 180° - (73° + 42°)

= 180° - 115°

X = 65°

Y = 180° - 131°

Y = 49°

→ 180° - (X + Y) =

→ 180° - (65° + 49°) =

→ 180° - 114° = 66°

Z = 180° - 66°

Z = 114°

8 0

3 years ago

1. 10% of what number is 14

enyata [817]

I'm writing the answers in the order you asked them
1.4
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7 0

3 years ago

Simplify:<br> 4(4y-7y^{2})-9(5y+2)

Simora [160]

Answer:

Hello! -28 y ^2 -29y -18 should be your simplified answer :)

Step-by-step explanation:

Hope this helps!

Have a nice day!♥

4 0

3 years ago

when graphed on a coordinate plane, Bumby avenue can be represented by the equation y=-4x-7. Primrose Avenue can be represented

erastova [34]

Answer:

Bumby Avenue is represented by the line:

y = -4*x - 7.

Primrose Avenue can be represented with:

8x + 2y = 17.

We may want to find the point where both avenues intersect.

Let's isolate y in this second equation:

2y = 17 - 8x

y = 17/2 - 8x/2 = -4*x + 17/2

Now we can see that the equation for Primrose Avenue has the same slope than the equation for Bumby Avenue, and when two linear equations have the same slope, means that the lines are parallel.

Then we can conclude that Primrose Avenue and Bumby Avenue are parallel, so they never meet eachother.

7 0

3 years ago