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LuckyWell [14K]
3 years ago
8

4 The expression (2x² + 6x + 5)-(6x² + 3x + 5) is

Mathematics
1 answer:
Sergio [31]3 years ago
4 0

Answer:

1) 4x² + 3x

Step-by-step explanation:

Add/Combine like terms:

2x² - 6x² = -4x²

6x - (+3x) = 3x

5 - (+5) = 0

Simplify: -4x² + 3x

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There is a 60% chance of rain on Saturday and a 20% chance of rain on Sunday. Assume that the event that it rains on Saturday is
Vsevolod [243]

Answer:

0.56

Step-by-step explanation:

GIVEN: There is a 60\% chance of rain on Saturday and a 20\% chance of rain on Sunday. Assume that the event that it rains on Saturday is independent of the event that it rains on Sunday.

TO FIND: What is the probability that it rains on exactly one day over the weekend.

SOLUTION:

Probability of rain on Saturday P(A)=0.6

Probability of not raining on Saturday P(A^{'}) =1-0.6=0.4

Probability of rain on Sunday P(B)=0.2

Probability of not raining on Saturday P(B^{'})=1-0.2=0.8

Probability of raining exactly one day over the weekend

 =\text{Probability it rains only on Saturday}+\text{Probability it rains only on Sunday}

=P(A)\times P(B^{'})+P(B)\times P(A^{'})

=0.6\times0.8+0.2\times0.4

=0.56

Hence probability of raining exactly only one day over the weekend is 0.56

5 0
4 years ago
44+39+7=
jenyasd209 [6]
4:6 4’7 4:7 because 4 is into the 15
3 0
3 years ago
Read 2 more answers
pedro has 6 packs of gum with p pieces in each pack he had a total of 72 pieces of gum decide whether each equation represents t
Serga [27]

Answer:

6p = 72 --- The equation

The solution is 12 packs i.e. p = 12

Step-by-step explanation:

No options given. So, I will solve generally.

Given

Packs = 6

Quantity = p per pack

Total = 72

Required

Determine the equation

This is calculated using:

Packs * Quantity = Total

6 * p = 72

6p = 72

Divide both sides by 6

p = 12

4 0
3 years ago
What is 1345/99 rounded to the nearest integer
ludmilkaskok [199]
1345/99 = 15.5858
15.5858 round up because 5+ is round up while 4- is round down.
Your answer is 16.
7 0
4 years ago
Read 2 more answers
50 POINTS. PLZ ANSWER RIGHT
LenKa [72]

Answer:

5 : 6 or \frac{5}{6}

Step-by-step explanation:

Given that, I make 5 quarts of tomato sauce from 6 baskets of tomatoes.

Therefore, the ratio of the number of quarts of tomato sauce to the number of the basket of tomatoes will be given by 5 : 6 in the simplest form.

If we want to express the ratio of the number of quarts of tomato sauce to the number of the basket of tomatoes in fraction form then it will be \frac{5}{6} in the simplest form. (Answer)

4 0
3 years ago
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