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Slav-nsk [51]
3 years ago
6

Need steps to solve this problem 5e+8f+(-2)e-12f

Mathematics
1 answer:
Stels [109]3 years ago
4 0
5e + 8f + (-2)e - 12f = ( a positive times a negative is a negative)
5e + 8f - 2e - 12f = (combine like terms)
3e - 4f <==
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Taylor surveys students in one grade level who own at least one pet. She finds that 50% of the students surveyed own 2 pets, 3 s
Llana [10]
First, we need to work out the total number of students who were being surveyed.

We know that half of the students has two pets. The rest of the students make up the other half. So, we have 3 students + 2 students + 8 students = 13 students that make half of the sample population

That means total number of students being surveyed is 13+13=26 students

Then we work out the probability
P(One pet) = 8/26 = 4/13
P(Two pets) = 1/2
P(Three pets) = 3/26
P( Four pets) = 2/26 = 1/13

The probability distribution is shown in the table below. Let x be the number of pets and P(X=x) is the probability of owning the number of pets


3 0
4 years ago
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Helga [31]

Step-by-step explanation:

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5 0
3 years ago
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The ratio of dogs to cats being treated at a veterinarian's office this week is 5 : 2. Suppose there are 168 dogs and cats sched
Alexeev081 [22]

Answer:

48 cats

Step-by-step explanation:

Am interesting factoid about ratios:

The ratio a:b can be separated into fractional parts of \frac{a}{a + b} and \frac{b}{a + b}. We need to know the cat part. \frac{2}{5 + 2} = \frac{2}{7}, so that is the fraction part. Then, we multiply this fraction by 168 to get the total number of cats. This number is 48.

4 0
3 years ago
What is the value of w?<br><br><br> A.) 7<br> B.) 3.5<br> C.) 7 square root of 3<br> D.) 14
sammy [17]
D. 14 

LL = 1/2 * Hsqrt3
7sqrt3 = 1/2 * ysqrt3
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3 years ago
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Mode is used to ascertain what the most repeated data is in the data set. <br> True or False
Firdavs [7]

Answer:

true

Step-by-step explanation:

7 0
3 years ago
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