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weqwewe [10]
3 years ago
5

What is the length of AC? Please help me ASAP!!!

Mathematics
1 answer:
Inessa05 [86]3 years ago
7 0

Answer:

a

Step-by-step explanation:

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If x-3 is a factor of x3+4x2+kx-30.Find the value of k.​
Bogdan [553]

Answer:

k=-11

Step-by-step explanation:

x^{3}+4x^{2}+kx-30

if x-3 is a factor,

(3)^{3}+4(3)^{2}+k(3)-30=0\\27+4*9+3k-30=0\\27+36+3k-30=0\\33+3k=0\\3k=-33\\k=-11

3 0
3 years ago
we need to make a number code with 4 digits. how many codes have at least two equal digits? and how many codes have exactly 3 eq
Blizzard [7]

Answer:

First do the case in which none of the digits is 0.

There are 9 ways to choose the digit that repeats 3 times and 8 ways to pick the other, after this there are 4 ways to order the digits. So 9×8×4.

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Lastly we look at the cases in which 0 appears once. There are 9 ways to pick the other digit and 3 ways to order.

So the final answer is 9×8×4+9+9×3.

6 0
3 years ago
A company borrows $50,000 at 6% for 6 months. Find the amount of simple interest that
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Answer:

$1,479.45

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I=3000*0.4931

I=1,479.45

Step-by-step explanation:

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2 years ago
If the temperature outside is 30°C, what is the temperature in F°​
emmasim [6.3K]

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<u>86°F</u>

Step-by-step explanation:

4 0
3 years ago
45÷___=-5 what is the answer?
tatyana61 [14]

negative 8 because 45/-9 = -5

4 0
3 years ago
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