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Travka [436]
3 years ago
15

Please help me , thanks

Mathematics
1 answer:
MrMuchimi3 years ago
7 0
The answer is C you welcome
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The number 84 can be expressed as the sum of 54 + 30. Which shows how to use the distributive
TEA [102]

Answer:I onesly dont no

Sorry I have no friends

Step-by-step explanation:

6 0
3 years ago
3. A square pyramid has a base with a side length
enot [183]

The lateral area of the pyramid is 15!

5 0
2 years ago
Your sample size is 10 and your confidence is 90%. What is your t-score?
PilotLPTM [1.2K]

Answer:

if you want a t*-value for a 90% confidence interval when you have 9 degrees of freedom, go to the bottom of the table, find the column for 90%, and intersect it with the row for df = 9. This gives you a t*–value of 1.833 (rounded).

Step-by-step explanation:

Hope this helps!

6 0
3 years ago
Create a number pattern that follows the rule
vazorg [7]

Answer:

The pattern form is 8,15,34,71 which follows the rule x^3+7

Step-by-step explanation:

Given : Rule x^3+7

To find : Create a number pattern that follows the rule. Use at least three terms in the pattern ?

Solution :

Rule x^3+7

Put n=1,

x^3+7=(1)^3+7

x^3+7=1+7=8

Put n=2,

x^3+7=(2)^3+7

x^3+7=8+7=15

Put n=3,

x^3+7=(3)^3+7

x^3+7=27+7=34

Put n=4,

x^3+7=(4)^3+7

x^3+7=64+7=71

The pattern form is 8,15,34,71 which follows the rule x^3+7

5 0
3 years ago
Mira has breakfast at a restaurant. She leaves a 20% tip of
Dmitry [639]

Answer:

$9

Step-by-step explanation:

set up a proportion where 20% is represented as 20/100 and set it equal to 1.80/x

cross multiply and you should get 180=20x

divide by 20 to solve for x

you then get 9, which is the amount you were looking for

8 0
3 years ago
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