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Crank
1 year ago
11

Find the unit rate.kilometer in17hourEnter the correct answer in the box.

Mathematics
1 answer:
Nuetrik [128]1 year ago
8 0

The question asks for the unit rate when 1/4 of a kilometer is covered in 1/3 of an hour.

Recall that rate is the quotient of two quantities. In our case the numerator is the distance (1/4) of a kilometer, and the denominator is the time: 1/3 of an hour.

So, we perform the following division of fractions:

1/4 diided by 1/3 which is the same as: 1/4 times 3/1 = 3/4

and since we are asked for the UNIT rate, we do the actual division:

The unit rate is 0.75 km per hour.

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H-1-7-g=1 and h=12 please help me I’m so confused
miskamm [114]

Answer:

g = 3

Step-by-step explanation:

12−1−7−g=1

Step 1: Simplify both sides of the equation.

12−1−7−g=1

12+−1+−7+−g=1

(−g)+(12+−1+−7)=1(Combine Like Terms)

−g+4=1

−g+4=1

Step 2: Subtract 4 from both sides.

−g+4−4=1−4

−g=−3

Step 3: Divide both sides by -1.

−g /−1 = −3 /−1

g=3

4 0
2 years ago
Read 2 more answers
The height that a properly inflated basketball bounces decreases exponentially by 27.8% with each subsequent bounce after the in
n200080 [17]

Answer:

H (b) = 0.722^b(6)

Step-by-step explanation:

The first time the basketball bounces it reaches a height of (1-0.278)(6) = (0.722) (6).

The second time the basketball bounces it reaches a height of (0.722) (0.722) (6) = [(0.722) ^ 2] (6). Therefore, after b rebounds the height that the basketball will reach is given by:

H (b) = 0.722^b(6)

3 0
3 years ago
La edad de juan es un año menos que la tercera parte de la edad de la madre. si dentro de 5 años, la edad de la madre sera 10 añ
koban [17]

Usando un sistema de ecuaciones, se encuentra que Juan tiene 12 años e su madre tiene 39 años.

<h3>¿Qué es un sistema de ecuaciones?</h3>

Un sistema de ecuaciones es cuando dos o más variables están relacionadas y las ecuaciones se construyen para encontrar los valores de cada variable.

En este problema, las variables son:

  • Variable x: Edad de Juan.
  • Variable y: Edad de su madre.

La edad de juan es un año menos que la tercera parte de la edad de la madre, por eso:

x = \frac{y}{3} - 1

Dentro de 5 años, la edad de la madre sera 10 años mas que el doble de juan, por eso:

y + 5 = 2(x + 5) + 10

y + 5 = 2x + 20

Como x = \frac{y}{3} - 1:

y + 5 = \frac{2y}{3} + 18

3y + 15 = 2y + 54

y = 39

x = \frac{y}{3} - 1 = \frac{39}{3} - 1 = 13 - 1 = 12

Juan tiene 12 años e su madre tiene 39 años.

Puede-se aprender más a cerca de sistema de ecuaciones en brainly.com/question/20178040

#SPJ1

6 0
2 years ago
Question 5 of 10
Mashcka [7]

Answer:

B. -8

Step-by-step explanation:

F(x) = 2x

F(-4) = 2(-4) = -8

4 0
3 years ago
Find the least common multiple of 4, 2, and 7
amm1812

Answer:

28

Step-by-step explanation:

So we know that 2 is already a multiple of 4 so we can just find the least common multiple of 4 and 7. So we can do:

4, 8, 12, 16, 20, 24, 28

7, 14, 21, 28

So the least common multiple between 4, 2, and 7 is 28

5 0
3 years ago
Read 2 more answers
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