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ElenaW [278]
3 years ago
5

What is this lol idk im not sure

Mathematics
1 answer:
julsineya [31]3 years ago
7 0

Answer:

D.

Step-by-step explanation:

If 3x-y=12 then simplifying will give you x - y/3 =4

Since x and y have individual values and neither is an integer, you know that It is D

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2 1/3/.6x=2.5/1 2/7 pls need this for work and lcass
Kobotan [32]

Answer:its correct i believe

Step-by-step explanation:

4 0
2 years ago
For f(x)= 2x-5 and g(x)= 3-x , find (f (times) g)(-2)
lara31 [8.8K]
f(x)= 2x-5 \\g(x)= 3-x \\\\f(-2)= 2 \cdot (-2)-5 =-4-5=-9\\\\g(-2)=3-x=3-(-2)=3+2=5\\\\ (f \cdot g)(-2)=f(-2)\cdot g(-2)= (-9)\cdot 5=-45


8 0
3 years ago
A survey of a group of seventh graders and a group of teachers at a local middle school asked how many siblings they each have.
wolverine [178]

Answer:

<u>The closest statement is B. The median for the students is 2 and the median for the teachers is 3.</u>

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Number of students = 20

Siblings   0   1   2   3   4   5   6   7   8   9

Students  2  4  7   5   2   0   0   0   0  0

Number of teachers = 20

Siblings  0   1   2   3   4   5   6   7   8   9

Teachers  1  3  2   4    5   3   1   0   1   0

2. Which statement compares the medians of the data?

Let's recall that the median of a set of data (students or teachers) is the middlemost number in the set. The median is also the number that is halfway into the set. To find the median, the data should be arranged in order from least to greatest. If there is an even number of items in the data set, then the median is found by taking the mean (average) of the two middlemost numbers, the 10th and 11th values from left to right for the students and teachers.

Upon saying that, let's meet the median of the data sets provided:

Median for the students = 10th and 11th values/2

<u>Median for the students = (2 + 2)/2 = 2</u>

Median for the teachers = 10th and 11th values/2

<u>Median for the teachers = (3 +4)/2 = 3.5</u>

<u>The closest statement is B. The median for the students is 2 and the median for the teachers is 3.</u>

4 0
3 years ago
Read 2 more answers
A candy distributor needs to mix 10% a fat content chocolate with 40% fat content chocolate to create 200 kg of a 16% fat conten
Luden [163]
I like to use an X diagram to solve problems like this. The constituent percentages are on the left, the desired mix is in the middle and the numbers on the diagonals are the difference between the mix and the constituent.

The numbers 6 and 24 here represent the ratio of 40% to 10% chocolate. That 6:24 ratio can be reduced to 1:4. The sum of those ratio units is 1+4 = 5, so each must represent (200 kg)/5 = 40 kg of chocolate.

The mix must consist of
   40 kg of 40% fat chocolate
   160 kg of 10% fat chocolate

6 0
3 years ago
Tyler orders a meal that costs $15.
Papessa [141]

Answer:

There would be $ 0.99 sales tax on the meal.

Step-by-step explanation:

Given,

The cost of the meal ordered by him = $15,

sales tax rate percentage = 6.6%,

Thus, the amount of the sales tax = 6.6% of the cost of the meal

= 6.6% of 15

3 0
2 years ago
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