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rosijanka [135]
3 years ago
10

Hey smart people please help me with my math

Mathematics
1 answer:
Debora [2.8K]3 years ago
6 0

Answer:

a) (x+2)(x-1)

b) (x+1)(x+3)

c) (x-2)(x-4)

f) not factorable

g) (a-8)(a-2)

h) (m-9)(m+5)

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Which values of k are solutions to the inequality |-k-2|&lt;18? Check all that apply<br> -40
LenaWriter [7]

Answer:

any number except -20

Step-by-step explanation:

|-k-2|

-k-2                              -k-2>18

-k                               -k>18+2

-k                                      -k>20

Multiply by -1 to make the k positive. This will alter all the terms which means 20 will become negative. NOTE: When multiplying or dividing by negative numbers, the inequaliy sign flips.

k>-20                                           k

k must be either greater than -20 but not including it or fewer than -20 but not including it; therefore, any number between negative infinity and -21 and -19 and postive infinity

6 0
3 years ago
Read 2 more answers
Answer this thanks!!!!
kirill115 [55]

Answer:

B

Step-by-step explanation:

$65×6%=$3.90

$3.90+$65=$68.90

m I right

4 0
2 years ago
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Answer this please. Thank you! Worth 10 points as well.
nlexa [21]
The probability that the next 4 winners will all be 7th grade students is 3/4
3 0
3 years ago
A new LED light bulb uses 10 watts of power. Since energy = power × time , then the energy used for this light bulb can be found
sergiy2304 [10]

9514 1404 393

Answer:

  150 Wh

Step-by-step explanation:

We know the energy per bulb is 10 Wh per hour, so the total energy used by 3 bulbs in 5 hours is ...

  (10 Wh/(bulb·hour))×(3 bulbs)×(5 hours) = 10·3·5 Wh = 150 Wh

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3 years ago
Colton and his children went into a movie theater and he bought $48.50 worth of bags of popcorn and candies. Each bag of popcorn
Inessa [10]

Answer:

5 bags of popcorn and 6 candies.

Step-by-step explanation:

(5 * $5.50) + ($3.5*6) = $48.5

4 0
3 years ago
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