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
Andrej [43]
3 years ago
15

Dave travels 300 miles in 1 hour and 40 minutes. What is Dave's rate of travel (speed) in piles per hour?

Mathematics
1 answer:
inysia [295]3 years ago
6 0
300 miles in 1h 40m
300 miles in 100m

300 / 100 = 3
3 miles per minute

3 x 60 = 180
180 miles per hour

I hope this helps
 
You might be interested in
You need a 45% alcohol solution. On hand, you have a 175 mL of a 25% alcohol mixture. You also have 70% alcohol mixture. How muc
Bezzdna [24]

175 mL at 25% concentration of alcohol contains 0.25 (175 mL) = 43.75 mL of alcohol. If <em>v</em> is the amount of the 70% solution that you use, then that amount contains 0.7<em>v</em> mL of alcohol.

Mixing these two yields a total volume of 175 mL + <em>v</em>, and it contains 43.75 mL + 0.7<em>v</em> alcohol. You want to end up with a concentration of 45%, which means the ratio of the amount of alcohol to the total volume needs to be 0.45:

(43.75 mL + 0.7<em>v</em>) / (175 mL + <em>v</em>) = 0.45

Solve for <em>v</em> :

43.75 mL + 0.7<em>v</em> = 0.45 (175 mL + <em>v</em>)

43.75 mL + 0.7<em>v</em> = 78.75 mL + 0.45<em>v</em>

0.25<em>v</em> = 35 mL

<em>v</em> = 140 mL

5 0
3 years ago
So what s the meaning for X and Y
gregori [183]

The first x is the horizontal coodinate (abscisa) and second is the vertical coordinate (ordenate). Both are coordinates. (x,y) has the meaning of a complex number: x is the real part and y is the imaginary part: x+yi. (x,y) has the meaning of a plane's vector from origin of coordinates.

8 0
3 years ago
What is -1 1/3 x - 3/8
pychu [463]

Answer:

88

Step-by-step explanation:

Simplify the expression -88/

3(8x-1)

3 0
3 years ago
Factorise x^2+11x+18
Semenov [28]

Answer:

(x + 9)(x + 2 )

Step-by-step explanation:

Sum =11

Product = 18

Factors = 9 , 2

When you multiply (9*2 = 18) and when you add (9 +2 = 11).

x² + 11x + 18 = x² + 9x + 2x + (9*2)

                   =x(x + 9) + 2(x + 9)

                  = (x + 9)(x + 2 )

4 0
3 years ago
Read 2 more answers
Помогите с решением Матриц
vivado [14]

Answer:

я не знаю потому что я не говорю по русски

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • needs to be in long division and if someone could could they tell i how to do long division i forgot how
    14·1 answer
  • 81/5+(42/5+33/10= to simply from
    10·1 answer
  • What is the y intercept if the slope=-2
    5·2 answers
  • 500 plates cost $18.00 what does each plate cost​
    15·2 answers
  • A large pizza has diameter 36 cm and a medium pizza has diameter 30 cm. What is the difference in area of the pizzas? Round your
    6·1 answer
  • Solve for x in the equation x^2 + 20x + 100 = 36
    8·2 answers
  • Judy wants to buy juice boxes at the lowest unit rate. Which is the best
    7·2 answers
  • You can earn 5 coins
    13·1 answer
  • Which set of numbers includes only whole numbers? Rational Numbers Integers Whole Numbers 7. -4, 5.0​
    7·1 answer
  • I need help pls I need it for school thank uu
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!