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Charra [1.4K]
3 years ago
12

they are serving hot dogs at the end of year party hot dogs are sold in packs of 8 if they want to have one hot dog for each of

the 63 guests how many packs of hot dogs do they need to buy
Mathematics
1 answer:
Mazyrski [523]3 years ago
6 0
You must buy 8 packs of hot dogs
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Will mark the BRANLIEST.
True [87]

Answer:

see below

Step-by-step explanation:

Let r = number of rides

total amount of money spent has to be less than  or equal to 50

costs are admission and food and rides

rides cost 1.50 each

50≥ admission + food + rides

50 ≥ 15 +10 + 1.50r

Combine like terms

50 ≥25 + 1.50 r

Subtract 25 from each side

50-25 ≥25-25 + 1.50 r

25  ≥ 1.50 r

Divide by 1.5 on each side

25/1.5 ≥ 1.5r/1.5

50/3  ≥ r

Changing this to a mixed number

16 2/3  ≥r

We can only take a whole number of rides

r = 16

Beverly has not spent all of her 50 dollars since there was a fraction for the rides

cost =  15 +10 + 1.50r

        15+10 + 1.5*16

            25+24

           49

She has 1 dollar left

5 0
3 years ago
Evaluate the expression when =y−7.<br> y^2+4y-5
Sophie [7]
(-7)^2 + 4(-7) -5
= 49 - 28 -5
= 16
5 0
3 years ago
Part A: Marguerite rented a truck at $125 for 2 days. If she rents the same truck for 5 days, she has to pay a total rent of $27
Evgen [1.6K]
PART A:
To obtain an equation in the standard form to represent the total rent (y) that Marguerite has to pay for renting the truck for x days, we use the fomula for the equation of a straight line.

Recall that the equation of a straight line passing through points (x_1,\ y_1) and points (x_2,\ y_2) is given by
\frac{y-y_1}{x-x_1} = \frac{y_2-y_1}{x_2-x_1}

Given that <span>Marguerite rented a truck at $125 for 2 days. If she rents the same truck for 5 days, she has to pay a total rent of $275.
This means that the lne modelling this situation crosses points (2, 125) and (5, 275).
</span>
The equation modelling <span>the total rent (y) that Marguerite has to pay for renting the truck for x days is given by,
\frac{y-125}{x-2} = \frac{275-125}{5-2} = \frac{150}{3} =50 \\  \\ y-125=50(x-2)=50x-100 \\  \\ y=50x+25

Writing the equation in standard form, we have
50x - y = -25


PART B:
Writing the function using function notation means making 'y' the subject of the formula and then replacing the 'y' with 'f(x)'.

Recall that from part A, we have that the equation for </span><span>the total rent (y) that Marguerite has to pay for renting the truck for x days is given by y = 50x + 25.

Writing the equation using the function notation, we have
f(x) = 50x + 25


PART C:
To graph the function, we label the x-axis 'number of days' and label the y-axis 'total rent'. the x-axis is numbered using the intervals of 1 while the y-axis is labelled using the intervals of 50.
The points </span><span>(2, 125) and (5, 275) are marked on the coordinate axis and a straight line is drawn to pass through the two points.</span>
5 0
4 years ago
Find the length of the missing side of the right triangle 15 and 9 Round your answer to the nearest tenth, if necessary.
mamaluj [8]

Answer:

17.5

Step-by-step explanation:

a^2+b^2=c^2

15^2+9^2=306^2

square root of 306= 17.49

5 0
3 years ago
Identify all rays and lines in the picture below.<br> (Full question above)
Arte-miy333 [17]

Answer:

\bold{Rays:}\ \overrightarrow{EA},\ \overrightarrow{EB},\ \overrightarrow{EC},\ \overrightarrow{ED},\ \overrightarrow{DE},\ \overrightarrow{BE}\\\\\bold{Lines:}\ \overleftrightarrow{ED},\ \overleftrightarrow{BE}

Step-by-step explanation:

Look at the picture.

4 0
3 years ago
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