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
grigory [225]
3 years ago
7

Mia jogs 3 kilometers in 20 minutes. There are about 0.6 miles in a kilometer. What is Mia’s approximate speed in miles per minu

te?
Mathematics
1 answer:
scoundrel [369]3 years ago
3 0
Speed is the ditance traveled by a certain object given a certain time span. To solve this problem we need to divide the distance by the time given. Before that, the problem asked us to get the speed in terms of miles per minute and we are given a distance of 3 kilometer. We have to convert this to miles. 3km(0.6miles/km) = 1.8 miles. The speed is then 1.8/20 = 0.09mi/min. 
You might be interested in
Im looking for new music can i have some help? <br> I like R&amp;B and hip hop newer music
ki77a [65]

listin  to some rap and country

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Solve this system of linear equations. Separate the x- and y-values with a comma.
vodomira [7]

Answer:

x = \frac{5}{2}, y = \frac{5}{4}

Step-by-step explanation:

1. Isolate for x in one of the equations:

2x = 9x - 14y

2x-9x = 9x-9x -14y

-7x = -14y

-7x/-7 = -14y/-7

x = 2y

2. Substitute 2y in for x in the second equation:

9(2y) = 40 - 14y

3. Simplify:

18y = 40 - 14y

4. Isolate for y:

18y+14y = 40 -14y+14y

32y = 40

32y/32 = 40/32

y = \frac{5}{4}

5. Substitute the new y-value into the simplified expression x = 2y:

x = 2(5/4)

x = \frac{5}{2}

hope this helps!

7 0
2 years ago
Find the zeros of polynomial function.<br> f(x)=x^2-x-90
Fofino [41]

First step is to factor. With a polynomial function in the form ax² + bx + c = f(x), we have to find what factors of term C have a sum of term B.

So with this, we need factors of -90 add up to become -1. Your factors are - 10 and 9.

f(x) = x² + 9x - 10x - 90

Now we group together and pull out GCFs.

f(x) = (x² + 9x) + (10x - 90)

f(x) = x(x² + 9) - 10(x + 9)

f(x) = (x - 10)(x + 9)

Now, set each factor equal to zero.

x - 10 = 0, x + 9 = 0

For the first equation you are going to add 10 to both sides to get x by itself. Subtract 9 from both sides in the second equation for the same reason.

x = 10, x = -9

Your zeros are at x = -9, 10 or at the ordered pairs (-9, 0) and (10, 0).

7 0
3 years ago
Help please! I need this question answered!
Pavel [41]

Answer:

1)  f(g(-2))=-3,      2) g(f(0))=5

Step-by-step explanation:

1)f(g(-2))

First, g(-2) means that x=-2. Hence, you must find the value of g(x) in the table when x=-2. You can see that, when x=-2, g(-2) = -3.

Next, you must find f(-3) in the graph, where x=-3. You can see in the graph that, when x=-3, f(-3) = -2.

Therefore, f(g(-2))=-3

2) g(f(0))

In the case, we must apply the inverse procedure. First, check in the graph that, when x=0, f(0) =1.

Next, we must look at the table and see that, when x=1, g(1)=5. Hence,

g(f(0))=5

5 0
3 years ago
1. Simplify the following expression: (x + 6y) − (8x − 10y). If the final answer is written in the form Ax + By, what is the val
vovikov84 [41]
I believe that the value of A is -7

4 0
3 years ago
Other questions:
  • 5.5-3b=2b-6.25 how do you slove
    6·1 answer
  • If f(×)= (sinx+1) / e^x+2, then f'(x) equals
    12·1 answer
  • A lifeguard earns $10.80 an hour for a 40-hour week and times his base pay for every hour worked over the first 40 hours. If he
    6·1 answer
  • MATH 15 POINTS, HELP
    8·1 answer
  • On Thursday katy ran a mile in 8.34 minutes she ran another mile in 7.89 minutes on Wednesday what was the total time for both m
    10·1 answer
  • The ratio of boys to girls in a group is 7:2. If there are 65 more boys than girls, work out how many boys there are.
    15·2 answers
  • A. 127 feet<br> B. 39 feet<br> C. 180 feet<br> D. 13 feet
    11·2 answers
  • Find the first term of the sequence 4, 12, 36, 108.... which exceeds 20,000.
    9·1 answer
  • the area of a triangle is 6 and 3/8 square yards. The height of the triangle is 2 and 1/2 yards. What is the length of the base
    11·2 answers
  • Indicate whether the statement is true of false.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!