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Vinvika [58]
3 years ago
12

The question is about sequences​

Mathematics
1 answer:
den301095 [7]3 years ago
7 0
The sequence is what is wrong and
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If one-half of a number decreased by 20 is 40, what is the number?
Anvisha [2.4K]

Answer:

120

Step-by-step explanation:

Just add the 20 back to 40 and times by 2

40 + 20 = 60

60 * 2 = 120

8 0
2 years ago
Read 2 more answers
PLS HELP IM CONFUSED
Ostrovityanka [42]
Easiest way to solve this is to try plugging in the values from the table into the equations

Let’s try y = x + 4

The first coordinates from the table says
(-9 , -5 )

-5 = -9 + 4
-5 = -5

They match, so y = x + 4 is the right answer. You can try plugging in the other variables if your still uncertain
4 0
2 years ago
Each of the 8 cats in a pet store was weighed. Here are their weights (in pounds):
kow [346]

Step-by-step explanation: The mean of a data set is equal to the sum of the set of numbers divided by how many numbers are in the set.

To find the mean of the data set shown here, let's begin by adding the numbers.

11 + 10 + 12 + 14 + 5 + 15 + 7 + 6 = 80

80 will now be divided by how many numbers are in the set which is 8.

80 ÷ 8 = 10

This means that the mean of the data set is 10.

___________________________________________________

Now, let's find the median of the data set. The median is the middle number in the data set when the data set is written from least to greatest.

Least to greatest ⇒ 5, 6, 7, 10, 11, 12, 14, 15

Since there are two numbers in the middle of the data set, we need to add the two numbers that are in the middle and divide the sum of the numbers by 2 since there are two numbers.

The two numbers in the middle are 10 and 11.

10 + 11 = 21

21 ÷ 2 = 11.5

Therefore, 11.5 the median of the data set.

5 0
3 years ago
Algebra, a furniture store offers a set of furniture for $990. You can also purchase the set on an installment plan for 24 payme
gtnhenbr [62]
24 (no. Of instalments) x 45 (price) = 1,080$.

Then you need to work out the proportion 1080 is of 990- so 1080/990 which equals 1.0909. Times that decimal by 100 to get a percentage- giving you the answer of 109% of original price.
8 0
3 years ago
a number pattern has 75 as its first number. The rule for the pattern is subtract 6. What is the sixth term?
Effectus [21]
75-6-6-6-6-6= 45
 ^   ^  ^  ^  ^  ^
75,69,63,57,51,45<--- 6th term
3 0
3 years ago
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