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
Anestetic [448]
3 years ago
6

PLEASE ANSWER FAST

Mathematics
1 answer:
s2008m [1.1K]3 years ago
5 0

Answer:

22 November

Step-by-step explanation:

First we have to find the total length she swims in 1 day

= 2(length of the swimming pool) x no. of lengths she swims in 1 day

=2x30x20

=120m she covers in 1 day

10km = 10,000m

no of days= total distance/ distance she covers in 1 day

=10000/120

=83.3 days

You might be interested in
All of them plzzzzzzzzzzzzz
vladimir1956 [14]
The diamond is parallels
8 0
3 years ago
Explain how an enlargement or a reduction in the dimensions of a building would cause a change in the scale factor.
swat32

Answer:

It would create an enlarged figure.

Explanation:

A scale factor of  

1

results in a figure of equal dimensions or an isometric figure.

A scale factor of less than  

1

results in a figure of reduced dimensions .

A scale factor of greater than  

1

would result in a figure of enlarged dimensions.

As  

4

3

>

1

, it would create an enlarged figure.

Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
A football team loses 15 yards on one play and gains 9 yards on another play. How many total yards did the team lose?
Licemer1 [7]

Answer:

-6

Step-by-step explanation:

imagine you're on a line graph you start at zero and then go backward 15 spaces and move forward 9 spaces where does that leave you

4 0
3 years ago
Please help asap find f -1
ExtremeBDS [4]
I.
Given a function f with domain D and range R, and the inverse function 
f ^{-1},

then the domain of f ^{-1} is the range of f, and the range of f ^{-1} is the domain of f.

II. We are given the function f(x)= \sqrt{x-5},

the domain of f, is the set of all x for which \sqrt{x-5} makes sense, so x is any x for which x-5\geq0, that is x≥5.

the range is the set of all values that f can take. Since f is a radical function, it never produces negative values, in fact in can produce any value ≥0

Thus the Domain of f is [5, ∞) and the Range is [0, ∞)
then , the Domain of f ^{-1} is [0, ∞) and the Range of f ^{-1} is [5, ∞) 

III.
Consider f(x)= \sqrt{x-5}

to find the inverse function f^{-1}, 

1. write f(x) as y:

y= \sqrt{x-5}

2. write x in terms of y:

y= \sqrt{x-5}

take the square of both sides

y^{2} =x-5

add 5 to both sides

y^{2} +5=x

x=y^{2} +5

3. substitute y with x, and x with f^{-1}(x):

f^{-1}(x)=x^{2} +5


These steps can be applied any time we want to find the inverse function.

IV. Answer: 

f^{-1}(x)=x^{2} +5, x≥0

y≥0, where y are all the values that f^{-1} can take

Remark: the closest choice is B

8 0
3 years ago
What is the value of 4x + 9, when x = 4?
Sonbull [250]

Answer:

The answer would be 25.

4x4=16

16+9=25

Step-by-step explanation:

I believe this is correct, if not feel free to let me know and I will fix it. I'm sorry in advance if it is incorrect.

4 0
3 years ago
Read 2 more answers
Other questions:
  • What is 72/63 in simplest form?
    10·2 answers
  • The perimeter of a triangle is 51 centimeters. The lengths of its sides are consecutive odd integers. Find the lengths of all th
    6·1 answer
  • Please answer the question in two minutes
    7·1 answer
  • What is the answer for -5(a-6) + 2a
    8·2 answers
  • Three perfect cube blocks of different volumes were stacked on top of each other. The top block was 64 cubic centimeters, the mi
    5·1 answer
  • Factorise xy(x-y)+yz(y-z)+zx(z-x)
    15·1 answer
  • Help please asap thanks
    6·2 answers
  • Select all that apply
    13·2 answers
  • Sophia is paid $12 per hour to babysit. Which equation represents how much money Sophia earns, d, when she babysits for h hours?
    5·1 answer
  • Please help me get this done. due at 11:59 tonight
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!