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Scrat [10]
2 years ago
14

The mean of 4 numbers is 19. What would the new mean be if the number 30 is added to the data set?

Mathematics
1 answer:
german2 years ago
8 0

Answer:

B 21.2

Step-by-step explanation:

Im not sure at all tho. But I hope this helps :/

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-10 - 6x = -46<br> How do i solve this for x
Mars2501 [29]

Answer:

-10-6x=-46

-6x=-36

x=6

4 0
3 years ago
Read 2 more answers
4.
miss Akunina [59]

Answer:  A. inverse variation; xy = 20

ANSWER

Step-by-step explanation:  Brainly

B) xy=20

Inverse because it is of the form y=k/x, intuitively you can see that as x increases y decreases, hence "inverse variation".

...............................................................................................................................................

Answer:

Option B is correct

Inverse variation , xy = 20

Step-by-step explanation:

Inverse variation states:

If  

then the equation is in the form of:

or

xy = k            ....[1]

As per the statement:

Given the data:

x : 2 4 8 12

y : 10 5 5/2 5/3

Let any value of x and y to find k:

x = 4 and y = 5

Substitute in [1] we have;

⇒20 = k

or

k = 20

then we get;

xy = 20

Check:

Substitute x = 12  and y = 5/3

⇒ true.

Therefore, the the data in the table represent a inverse variation and an equation to model the data in the table is, xy = 20

7 0
3 years ago
Please help me find Find the value of x
Nimfa-mama [501]

Answer:

13

Step-by-step explanation:

a^2+b^2=c^2

since x is directly across from your 90 degree angle let it represent c^2

Replace a and b with your given values

7^2+11^2=c^2

49+121=170^2

√170=13.038

6 0
2 years ago
Plz help!! (I just copied and pasted it)
lora16 [44]

Step-by-step explanation:

3d + 4.5g <= 18.

3 possible combinations are:

0 DVD and 4 Video games,

1 DVD and 3 Video games,

2 DVDs and 2 Video games.

5 0
3 years ago
Read 2 more answers
William earns straight commission as a real estate agent. Last month his total sales were $971,168.00. If William earns a 3% rat
daser333 [38]

Answer: William will have made $29,135.04 for his income of the $971,168.00

Step-by-step explanation:

Entering the gross amount then deduct the percentage and if you’re unsure you can always use the decimal method.

3 0
3 years ago
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