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
Black_prince [1.1K]
3 years ago
10

I NEED HELP PLZ HELP ME ?

Mathematics
2 answers:
Blizzard [7]3 years ago
4 0
The answer is 50 I hope this helps!

bazaltina [42]3 years ago
3 0
I think it is D, unit rate is how many c per 50 h, and unit rate is how many per one unit.
You might be interested in
Explain why angle is considered a defined term in geometry.
77julia77 [94]

Answer:

An angle is considered a defined term in geometry because defined terms are terms that have a formal definition and can be defined using other geometrical terms.

Angle: Two rays that share the same endpoint, however, the rays take off in different directions. The area in the middle of the two rays is the angle measure.

5 0
3 years ago
If Dr. Suzuki rides his bike to his​ office, he averages 9 miles per hour. If he drives his​ car, he averages 27 miles per hour.
Helen [10]
Speed
Riding speed = 9 mph
Driving speed = 27 mph

Time
If x hours is the time taken when riding, (x - 1/3) hours  is the time taken when driving.

Distance in both instances is the same, D= Speed * time

Therefore,
9*x = 27(x-1/3)
9x = 27x - 27/2
9x = 27x - 9
(9-27)x = -9
-18x = -9
x = 9/18 = 1/2 hours

Distance, D = 1/2 *9 = 4.5 miles
7 0
3 years ago
A rectangle has a width of
hichkok12 [17]

i think it would be 52cm

7 0
3 years ago
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating
natulia [17]

Answer:

V=25088π vu

Step-by-step explanation:

Because the curves are a function of "y" it is decided to take the axis of rotation as y

, according to the graph 1 the cutoff points of f(y)₁ and f(y)₂ are ±2

f(y)₁ = 7y²-28;  f(y)₂=28-7y²

y=0;   x=28-0 ⇒ x=28

x=0;   0 = 7y²-28 ⇒ 7y²=28 ⇒ y²= 28/7 =4 ⇒ y=√4 =±2

Knowing that the volume of a solid of revolution  V=πR²h, where R²=(r₁-r₂) and h=dy then:

dV=π(7y²-28-(28-7y²))²dy ⇒dV=π(7y²-28-28+7y²)²dy = 4π(7y²-28)²dy

dV=4π(49y⁴-392y²+784)dy integrating on both sides

∫dV=4π∫(49y⁴-392y²+784)dy ⇒ solving  ∫(49y⁴-392y²+784)dy

49∫y⁴dy-392∫y²dy+784∫dy =

V=4π( 49\frac{y^{5} }{5}-392\frac{y^{3}}{3}+784y ) evaluated -2≤y≤2, or 2(0≤y≤2), also

V=8\pi(49\frac{2^{5} }{5}-392\frac{2^{3} }{3}+784.2)  ⇒ V=25088π vu

8 0
3 years ago
What is absolute vaule of -13​
olga2289 [7]

Answer:

i believe those line by it mean the opposite of so the answer would be 13

7 0
3 years ago
Read 2 more answers
Other questions:
  • Helpp!! what is the domain and range for the graph
    7·1 answer
  • What is the greatest common factor for 66 and 121
    12·1 answer
  • Please HELP I WILL REWARD BRAINLIEST ANSWER IM VERY CONFUSED
    8·1 answer
  • I really need the answer please help me
    13·1 answer
  • Given triangle ABC with coordinates A(−6, 4), B(−6, 1), and C(−8, 0), and its image A′B′C′ with A′(−2, 0), B′(−5, 0), and C′(−6,
    5·1 answer
  • Is -1.2 a rational number
    7·1 answer
  • PLEASE HELP!!!<br> It says to find the area of the shaded sector rounded to the nearest hundredth
    12·1 answer
  • 1.3b^2 t 4b+1 when b=-2
    12·1 answer
  • Which sets of side lengths could form a triangle? Choose all that apply.
    11·1 answer
  • Omg please help! NO LINKS NO FILES PLEASE!
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!