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2 years ago

10

Mr. Smith has a maximum of $50 to spend at a museum. A ticket to the museum costs $7. He can spend p dollars to buy other things

at the museum. Which inequality can be used to find the possible values for p?

1 answer:

Oksanka [162]2 years ago

6 0

Answer:

50-7=43

Step-by-step explanation:

the guy has $50. He spent $7. Which is $43. So he has $43

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Evaluate expression if x=2 y=3 z=4 6xz + 5xy

mamaluj [8]

Answer: 78

Step-by-step explanation:

[6 (2) (4)] + [5 (2) (3) ]
The first bracket, 6*2* = 12, 12 * 4 = 48
The second bracket, 5*2 = 10, 10 * 3 = 30
Add the answers of both brackets. 48 + 30 = 78

8 0

2 years ago

Mikhael and hema want to hire a professional dj to play music during the event. Dj kay-cee charges $100 plus $50 per hour . Dj f

11Alexandr11 [23.1K]

Dj kay-cee: 50x+100

Dj fav fred: 30x+150

So, setting up the equation, you get that 50x+100=30x+150

So, 20x=50, and x= $\frac{5}{2}$

So after 2.5 hours, dj kay-kee and dj fab fred would charge the same amount.

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2 years ago

G(x)= -\dfrac{x^2}{4} + 7g(x)=− 4 x 2 +7g, left parenthesis, x, right parenthesis, equals, minus, start fraction, x, squared,

RUDIKE [14]

Answer:

<h2>-1/2</h2>

Step-by-step explanation:

Given the function $G(x)= -\dfrac{x^2}{4} + 7$ , the average rate of change of g(x) over the interval [-2,4], is expressed as shown below;

Rate of change of the function is expressed as g(b)-g(a)/b-a

where a - -2 and b = 4

$G(4)= -\dfrac{4^2}{4} + 7\\G(4)= -\dfrac{16}{4} + 7\\G(4)= -4 + 7\\G(4) = 3\\$

$G(-2) = -\dfrac{(-2)^2}{4} + 7\\G(-2)= -\dfrac{4}{4} + 7\\G(-2)= -1 + 7\\G(-2)= 6$

average rate of change of g(x) over the interval [-2,4] will be;

$g'(x) = \frac{g(4)-g(-2)}{4-(-2)}\\ g'(x) = \frac{3-6}{6}\\\\g'(x) = -3/6\\g'(x) = -1/2$

6 0

2 years ago

The CEO of a local tech company wants to estimate the proportion of employees that are pleased with the cleanliness of the break

Zigmanuir [339]

Answer:

Methods of obtaining a sample of 600 employees from the 4,700 workforce:

Part A: The type of sampling method proposed by the CEO is Convenience Sampling.

Part B: When there are equal number of participants in both campuses, stratification by campus would give a more precise approximation of the proportion of employees who are satisfied with the cleanliness of the breakrooms than stratification by gender. Another method to ensure that stratification by campus gives a more precise approximation of the proportion of employees who are satisfied with the cleanliness of the breakrooms than stratification by gender is to ensure that the sample is proportional to the proportion of each campus to the whole population or workforce.

Step-by-step explanation:

A Convenience Sampling technique is a non-probability (non-random) sampling method and the participants are selected based on availability (early attendees). The early attendees might be different from the late attendees in characteristics such as age, sex, etc. Therefore, sampling biases are present. All non-probability sampling methods are prone to volunteer bias.

Stratified sampling is more accurate and representative of the population. It reduces sampling bias. The difficulty arises in choosing the characteristic to stratify by.

3 0

2 years ago

Your dinner bill is $25 before tax. The tax rate is 8%. You decide to give the waiter 10% tip based on your pre-tax bill. What i

Inessa [10]

Answer:

$29.50

Step-by-step explanation:

First we need to find the tip

tip = pre tax bill * 10 %

tip = 25 * .10

tip =2.5

Next we need to find the tax

tax = pre tax bill * 8%

tax = 25 * .08

tax =2

Final bill = pre tax bill + tax + tip

Final bill = 25 + 2 + 2.5

=29.50

5 0

2 years ago

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