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kkurt [141]
3 years ago
14

Find all values of x that make the equation -4(x-2)(4x+3)(x-6)​

Mathematics
1 answer:
Dominik [7]3 years ago
5 0

Answer:

the answer is -16 x ^3 + 116 x ^2 -96 x -144

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Which expression can be used to check the answer to 56 divided by (negative 14) = n?
Natalka [10]

For this case we have the following expression:

\frac {56} {- 14} = n

To verify the answer we have:

Multiplying both sides of the equation by -14:

- (14) * \frac {56} {- 14} = n * (- 14)\\56 = n * (- 14)

Thus, the answer can be verified with:

56 = n * (- 14)

Answer:

56 = n * (- 14)

6 0
3 years ago
Read 2 more answers
The French club is sponsoring a bake sale to raise at least $365. How many pastries must they sell at $2.80
gregori [183]

Answer:

  • D. At least 131

Step-by-step explanation:

Let the number of pastries  is x.

<u>We have an inequality:</u>

  • 2.80x ≥ 365
  • x ≥ 365/2.80
  • x ≥ 130.357

The least whole number for x is 131.

Correct choice is D

7 0
2 years ago
archy bought 15 gallons of gas for $23.85. Joe bought 16 gallons of gas for $24.48. who paid less per gallon?
tekilochka [14]
Archy:  15 gallons ... $23.85
               1 gallon ...$ x = ?

x * 15 = 1 * 23.85    /15
x = 23.85 / 15
x = $1.59 per gallon

Joe:  16 gallons ... $24.48
           1 gallon ... $ y = ?

y * 16 = 1 * 24.48    /16
y = 24.48 / 16
y = $1.53 per gallon

Result: Joe paid less per gallon.
3 0
3 years ago
A ski gondola carries skiers to the top of a mountain. assume that weights of skiers are normally distributed with a mean of 199
Allushta [10]
A) maximum mean weight of passengers = <span>load limit ÷ number of passengers
</span><span>
maximum mean weight of passengers = 3750 </span>÷ 25 = <span>150lb

</span>B)  First, find the z-score:
z = (value - mean) / stdev
   = (150 - 199) / 41
   = -1.20

We need to find P(z > -1.20) = 1 - P(z < -1.20)

Now, look at a standard normal table to find <span>P(z < -1.20) = 0.11507, therefore:
</span>P(z > -1.20) = 1 - <span>0.11507 = 0.8849

Hence, <span>the probability that the mean weight of 25 randomly selected skiers exceeds 150lb is about 88.5%</span> </span>

C) With only 20 passengers, the new maximum mean weight of passengers = 3750 ÷ 20 = <span>187.5lb

Let's repeat the steps of point B)

z = (187.5 - 199) / 41
   = -0.29

P(z > -0.29) = 1 - P(z < -0.29) = 1 - 0.3859 = 0.6141

</span>Hence, <span>the probability that the mean weight of 20 randomly selected skiers exceeds 187.5lb is about 61.4%

D) The mean weight of skiers is 199lb, therefore:
number</span> of passengers = <span>load limit ÷ <span>mean weight of passengers
                                     = 3750 </span></span><span>÷ 199
                                     = 18.8
The new capacity of 20 skiers is safer than 25 skiers, but we cannot consider it safe enough, since the maximum capacity should be of 18 skiers.</span>
4 0
3 years ago
PLEASE ANSWER THIS IM BEGGING YALL
Doss [256]

Answer:

33.16ft

Step-by-step explanation:

Sin 56° = x / 40ft

0.829 = x / 40ft

x = 40ft * 0.829

x = 33.16ft

4 0
3 years ago
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