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Ksenya-84
2 months ago
7

Jamal is comparing his transportation options for an upcoming trip. He’s considering a rental car and a taxi service. Based on h

is planned routes during his trip, he expects a taxi service would cost about $128. Jamal could also get a rental car for a daily rate and unlimited miles. If Jamal’s trip will last 4 days and he expects to pay about $24 for gas, which graph shows the range of car rental rates that would be cheaper than the taxi service?
Mathematics
1 answer:
zzz [12.3K]2 months ago
3 0
The set of rental car rates making it more economical for Jamal than employing taxi services is outlined as A = {x | 0 ≤ x < 26} [where x represents dollars]. The step-by-step breakdown is as follows: Let the rental cost be $x per day. With Jamal's trip extending over 4 days, factoring in $24 for gas, and estimating taxi costs at around $128, an inequality emerges: 128 > 24 + 4x. Thus simplifying leads to 4x < 104 and consequently x < 26.
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A lab technician has to fill the tank given below. <br> Find it’s volume .
lawyer [12517]

Answer:

El volumen del cilindro mostrado en la figura es de 628 metros cúbicos

Explicación paso a paso:

La figura proporcionada se refiere a un cilindro

La altura del cilindro = h = 8 metros

El radio de la base del cilindro = r = 5 metros

Ahora, definamos el volumen del cilindro = V m³

Por lo tanto, el volumen del cilindro está dado por V = \pi×r²×h

donde r es el radio de la base

y h es la altura del cilindro

El valor de \pi = 3.14

Así que, V = \pi × r² × h

O, V = 3.14 × (5)² × 8

O, V = 3.14 × 25 × 8

o, V = 628 m³

Así que, el volumen del cilindro es V = 628 m³

Por lo tanto, el volumen del cilindro mostrado en la figura es de 628 metros cúbicos

6 0
2 months ago
Here is the five-number summary for a group of 100 runners in a 5-kilometer race. the variable is the time to complete the race.
Inessa [12570]
To find the IQR (Interquartile Range) from the given information: Minimum = 15 min, Q1 = 27 min (25th percentile), Q2 = 31 min (median), Q3 = 32 min (75th percentile), Maximum = 50 min. The IQR calculation is IQR = Q3 - Q1 = 32 - 27 = 5. For identifying outliers, apply the k = 1.5 rule. The expected range is [Q1 - 1.5*IQR, Q3 + 1.5*IQR] = [27 - 1.5*5, 32 + 1.5*5] = [19.5, 39.5]. The actual range is [15, 50]. The minimum value is below 19.5, and the maximum value exceeds 39.5. Hence, outliers are present. Conclusion: Outliers exist.
3 0
2 months ago
Dan gets pic 'n mix when at the cinema and makes his bag up with 3 types of sweet. He picks 3 times as many cola bottles as smar
Leona [12618]

Response:

1/6

Detailed explanation:

Let

c -----> the count of cola bottles chosen by Dan

s -----> the count of smarties selected by Dan

m -----> the count of marshmallows selected by Dan

we have

c=3s -----> A equation

m=2s -----> B equation

we understand that

To determine the fraction of the sweet bag that consists of smarties, we must divide the number of smarties by the total amount of sweets

The overall number of sweets is calculated as

(c+s+m)

substituting equations A and B into the total sweets

(3s+s+2s) =6s

Calculate the fraction

s/6s

Reduce it

1/6

3 0
1 month ago
The resting heart rates for 80 women aged 46–55 in a simple random sample are normally distributed, with a mean of 71 beats per
lawyer [12517]

Details provided:
Confidence level = 90%
Mean = 71 beats per minute
Standard deviation = 6 beats per minute

The formula for margin of error is z * δ / √n.

Where δ represents the population standard deviation and n is the sample size; z denotes the corresponding z-value.

For a 90% confidence level, the z-value is 1.645.

Thus, the margin of error is calculated as 1.645 * (6/√80) = 1.645 * (6/8.94) = 1.645 * 0.671 = 1.104.

8 0
2 months ago
Read 2 more answers
Translate into an algebraic expression and simplify if possible. C It would take Maya x minutes to rake the leaves and Carla y m
lawyer [12517]

Answer:

together they rake \frac{y+x}{xy} leaves in one minute.

Step-by-step explanation:

If Maya takes x minutes to rake, then in one minute, she rakes \frac{1}{x} leaves.

For Carla, if her raking takes y minutes, in one minute she rakes \frac{1}{y} leaves.

Thus, to find the amount they work together in one minute, we add both of their contributions for that minute, resulting in: \frac{1}{x}+ \frac{1}{y}

Finally, simplifying this expression gives:

\frac{1}{x}+ \frac{1}{y} =\frac{y+x}{xy}

As a result, they collectively rake \frac{y+x}{xy} leaves in a minute.

8 0
2 months ago
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