1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Phantasy [73]
3 years ago
7

The average person blinks about 9 times per minutes. At this rate, about how many blinks does the average person take in 30 minu

tes?
Mathematics
1 answer:
IrinaK [193]3 years ago
5 0

Answer:

270 blinks in 30 minutes

Step-by-step explanation:

9 x 30 = 270

hope this helps :)

You might be interested in
the cost to rent skis at a local sporting goods store is $15 plus $20 per day. which equation models the relationship between th
Juli2301 [7.4K]

Answer:

c = 20d + 15

Step-by-step explanation:

answer choices may help if the answer is not one of the choices; but here is the answer that it should be:

20 dollars per day is 20 times the length of rental.

15 is a cost that is added and does not change.

c = the total cost therefore:

c = 20d + 15

8 0
3 years ago
A system of two equations is shown below: Equation C: a = 2b + 7 Equation D: a = 5b − 3 What value of a can be substituted into
zhuklara [117]

Answer:

C i believe so

Step-by-step explanation:

7 0
3 years ago
Lemonade. You want to buy a new car, and you know the model you want. The model has three options, each one of which you can eit
IRISSAK [1]

Answer:

3125

Step-by-step explanation:

The model has three options, each one of which you can either take or not take.

Let us represent taking an option with 1 and not taking an option with 0

1. 0 0 0 ( taking none of the options)

2. 0 0 1

3. 0 1 0

4. 0 1 1

5. 1 0 0

6. 1 0 1

7. 1 1 0

8. 1 1 1 ( taking all three options)

Also you have a choice of four different colors, therefore, total number of possible combinations are

8*4= 32

Hence the largest number of cars having same options and colors is

100,000/32

3125 cars

7 0
3 years ago
Simplify 5(2 - 7n) =
ANTONII [103]

Answer:

10-35n=?

Step-by-step explanation:

This would be in simplest form

4 0
3 years ago
Read 2 more answers
Find the vertex, focus, directrix, and focal width of the parabola: -1/40x^2=y
dimulka [17.4K]
For
(x-h)^2=4p(y-k)
vertex is (h,k)
distance from vertex to directix=p=distance from vertex to focus
|4p|=focal width

remember, focus is on the side of the parabola where it opens and directix is at the back
when p is negative, it opens down
when p is positive, it opens up

look at equation
-1/40(x-0)^2=(y-0)
times -40 to both sides
(x-0)^2=-40(y-0)
(x-0)^2=4(-10)(y-0)
vertex=(0,0)
p=-10,it's negative so it opens down

focus is 10 units below vertex (y direction)
focus=(0,-10)

diretix is 10 above
directix is y=10

focal width=|4p|=|4(-10)|=|-40|=40




vertex=(0,0)
focus=(0,-10)
directix is y=10
focal width=40 units
3 0
4 years ago
Other questions:
  • A running track in the shape of an oval is shown. The ends of the track form semicircles.What is the perimeter of the inside of
    6·2 answers
  • Can someone help me with this ?
    11·1 answer
  • The repayment schedule is for a $1,300 loan at 7.5% for 6 months. What is the amount for interest at payment 5?
    14·2 answers
  • The volume of the sphere is 500 1 cubic units.
    11·1 answer
  • What is the answer to this I need help . multiply 3 ones by 2
    10·2 answers
  • Can someone help please
    15·1 answer
  • Find the length of side x in the simplest radical form with a rational denominator​
    7·2 answers
  • Explain how to find the missing side of a right triangle when given an acute angle and one side
    8·2 answers
  • The graph displays the cost of a pizza based on the number of toppings. Which is the independent variable in this situation?
    9·1 answer
  • What are the possible values of x and y for two distinct points, (5, –2) and (x, y), to represent a function?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!