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alexandr402 [8]
3 years ago
7

-4( x^3 + x^2 -3 ) =

Mathematics
1 answer:
timofeeve [1]3 years ago
8 0
-4(x^3+x^2-3)

=(-4)(x^3+x^2+-3)
=(-4)(x^3)+(-4)(x^2)+(-4)(-3)
=-4x^3-4x^2+12
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Write each fraction or mixed number as a decimal.<br> 19/25<br> 311/500<br> 5/8<br> 145/8
DanielleElmas [232]

Answer:

19/25 = 0.76

311/500 = 0.622

5/8 = 0.625

145/8 = 18.12500

Step-by-step explanation:

Divide the first number by the second like 145 divided by 18.

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3 years ago
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How are pairs of alternate interior angles related to one another? How are pairs of alternate exterior angles related to one ano
eduard

Answer:Each pair of alternate interior angles is congruent, and each pair of alternate exterior angles is congruent.

Step-by-step explanation:

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2 years ago
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3 years ago
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TEA [102]
Sin θ = opposite leg/hypotenuse 
csc θ = hypotenuse /opposite leg =8/7

cot <span>θ = adjacent leg/opposite leg

hypotenuse =8
opposite leg =7
We need to find adjacent leg.

(Opposite leg)² +(adjacent leg)² = hypotenuse²
7² + </span>(adjacent leg)² =8²
(adjacent leg)² = 64 - 49
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adjacent leg=+/-√15
<span>WE need only positive root,
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cot θ = √15/7 or 0.5533<span>

</span>
6 0
2 years ago
Two fair coins are flipped. Given that at least one coin lands on a head, calculate the probability of one head and one tail. Wr
Greeley [361]

The probability of one head and one tail is 2/3.

<u>Step-by-step explanation</u>:

  • The possibilities for flipping two fair coins are {T,T}, {H,H}, {H,T}, {T,H}
  • Given the case that at least one coin lands on a head, So the total possibilities are {H,H}, {H,T}, {T,H} = 3 possibilities
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To calculate the probability of one head and one tail,

Probability = required events / Total events

Probability = 2/3

8 0
3 years ago
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