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Fed [463]
3 years ago
14

A 7th grade homeroom was asked if they would

Mathematics
1 answer:
fiasKO [112]3 years ago
3 0

The probability of choosing a hot dog is 16.7%

<h3>Relative frequency and probability</h3>

Probability is the likelihood or chance that an event will occur

Probability = Expected outcome/Total outcome

From the figure;

Total outcome = 4 + 6 + 2
Total outcome = 12

Since there are 2 hotdogs, hence the probability of choosing a hot dog is given as:

Pr(hot dog) = 2/12

Pr(hot dog) = 0.1667
Hence the probability of choosing a hot dog is 16.7%

Learn more on probability here: brainly.com/question/24756209

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Area of 135 square meters and the length is 15 meters
Eddi Din [679]
To answer take 135/15 and you get 9, because to get are you need length times width. Hope that made sense.

5 0
3 years ago
10 points
soldi70 [24.7K]

Answer:

Here we have two inequalities.

P is price of the gallon,we have that:

$2.40 ≤ P ≤ $2.65

C is the amount of gallons that Ricardo buys each week.

8,5 ≤ C ≤ 11

Now, with this you can find the maximum and minimum amount that he can spend on a week.

The minimum is when he buys only 8.5 gallons and the price per gallon is $2.40

Cost = 8.5*$2.40 = $20.4

The maximum cost is when he buys 11 gallons, and the price of the gallon is $2.65

Cost = 11*$2.65 = $29.15

So the amount that he spends per week in gas, S, is:

$20.4 ≤ S ≤  $29.15

3 0
3 years ago
X is 13 less than 17. WRITE AN EQUATION​ TO REPRESENT THE statement.
vovikov84 [41]

Answer:

X=4

Step-by-step explanation:

13 less than 17 would be 4 becayse if you do 17-13=4

6 0
3 years ago
If x = –3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the e
natita [175]

Equations don't really have x intercepts, functions or curves do. They're also known as the zeros of the function.  When we set a function equal to zero we get an equation to solve, and the zeros of the function become the solutions or roots of the equation.

If a quadratic equation only has one root, that's a repeated root corresponding to a discriminant of zero.

In this example our equation is something like 2(x+3)^2=0, or expanded

2x^2+12x + 18 = 0

The discriminant d=b^2-4ac here is

d = 12^2 - 4(2)(18) = 0 \quad\checkmark


7 0
3 years ago
I don't know what I'm doing wrong here, can anyone help?
Novosadov [1.4K]

if you look at the part where the first part connects with the second part:

y = 5 if x < - 2

y = -2x + 1 if  -2 ≤ x < 1

we don't have a discontinuity there, so there shouldn't be a dot.

<h3></h3><h3>What is wrong with the graph?</h3>

When we graph over intervals like (a, b) or [a, b] or something like that, we use dots to define the end of the intervals, and to denote that the function ends abruptly or we have a jump.

In this case, you can see that between the end and the second part and the beginning of the third part there is a jump, so the use of dots is correct there, but if you look at the part where the first part connects with the second part:

y = 5 if x < - 2

y = -2x + 1 if  -2 ≤ x < 1

we don't have a discontinuity there, so there shouldn't be a dot.

That is the only error with the graph.

If you want to learn more about piecewise functions:

brainly.com/question/3628123

#SPJ1

8 0
1 year ago
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