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Sliva [168]
3 years ago
12

Please help ? Question 27 and question 28

Mathematics
1 answer:
ozzi3 years ago
4 0

Answer:

Rhe first question answer is and the second question answer is c

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A gas station sells a coffee mug filled with coffee for $3. For each refill, using the same mug, the gas station charges $1.25 f
avanturin [10]
Since the price of the coffee itself is $1.25, the gradient of the function will be 1.25 and will give a straight line. However, since the first cup of coffee costs $3, when extrapolated to x = 0, the price is 3 - 1.25 = $1.75 which indicates the cost of using the cup. Therefore this is the y-intercept. This can be expressed as a linear function of y = mx + c where y is the price, m is the gradient, x is the number of times the cup has been filled with coffee, and c is the price of using the cup, giving:
y = 1.25x + 1.75
3 0
3 years ago
Oak pollen sent 21,000 people to U.S. emergency rooms for asthma in 2010. By 2090 the rate could climb another 5 or 10 percent.
Gnesinka [82]

The probable number of prople sent to US emergency rooms by 2090 can be between 22,050 and 23,100

Step-by-step explanation:

Total sent to US emergency room by 2010= 21000

The estimated increase in the rise of cases = 5 to 10% by 2090

Final numbers in 2090

Hence the final numbers in 2090 would be 5 to 10% more than the total cases in 2010

Lower limit= 5% of 21000= 1050

Hence lower limit of cases in 2090= 21000+1050= 22050

Upper limit of cases in 2090= 10% of 21000= 21000+2100= 23,100

The number would lie anywhere between 22050 and 23,100 in 2090

5 0
3 years ago
A baker is making cupcakes. She starts with 60 eggs. She makes 12 cupcakes. She has 24 eggs left over. Which equation can be use
marta [7]

Answer:

3 egg for each cupcake

Step-by-step explanation:

60-24=36

36/12=3

3 0
2 years ago
The figure below shows two pair of congruent triangles. ΔRBO ≅ ________. ΔPAT ΔATP ΔPTA ΔAPT
o-na [289]

Answer:

is there a picture you could add i can answer the question more efficiently if you do.(bc i am aloud to edit my responce)thanks!

Step-by-step explanation:

3 0
2 years ago
Evaluate the expression 5+3​
PolarNik [594]

Answer:

8

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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