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lord [1]
3 years ago
14

A pizza company uses equation C = 15n to calculate the cost of buying a number of pizzas. What is the constant of proportionalit

y in the equation? What information does the constant of proportionality provide you?
Mathematics
2 answers:
Lorico [155]3 years ago
7 0

Answer:

29

Step-by-step explanation:

zmey [24]3 years ago
5 0
29 djdjdjdjddjdjdndjdrjdjdjdiddhd
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I NEED THE ANSWERS PLZ
g100num [7]

Answer:

1. 32

2. 4.7

3. 3

Step-by-step explanation:

4*8=32

6.5-1.8= 4.7

18/6=3 or 18 divided by 6 = 3

5 0
2 years ago
Read 2 more answers
many ® Black pencils cost N75 each and coloured pencils cost N105 each. If 24 mixed pencils cost #2010, how of them were black?
laila [671]

Answer:

85

Step-by-step explanation:

I hope my answer help you

7 0
2 years ago
Two ladders AB and PQ are resting against opposite
muminat

Answer:

The length of the longer ladder is 35 ft Step-by-step explanation: Please check the attachment for a diagrammatic representation of the problem We want to calculate the length of the longer ladder ; We make reference to the diagram Since the two right triangles formed are similar. the ratios of their sides are equal; Thus; 20/15 = 28/x + 15 20(x + 15) = 15(28) 20x + 300 = 420 20x = 420-300 20x = 120 x = 120/20 x = 6 So we want to calculate the hypotenuse of a right triangle with other sides 28ft and 21 ft To do this, we use the Pythagoras’ theorem which states that square of the hypotenuse equals the sum of the squares of the two other sides Let the hypotenuse be marked x x^2 = 28^2 + 21^2 x^2 = 1,225

x = √1225

x = 35 ft

5 0
2 years ago
WILL GIVE BRAINLIEST
VLD [36.1K]
D, x=2 !!!!!!!!!!!!!
4 0
2 years ago
How much interest will she earn in 3 years?
alekssr [168]
For this, the equation is 
90× 1.13³=y
X was replaced with y. Since she is gaining, you have to remember she is going to have 100 percent of what he had before, she will not lose any.
90× 1.13= 129.86
Now, we need to find the amount of interest she gained, so we have to subtract 90 from the total.
129.86-90=39.86
We can also find the answer by completing a small chart.
The first column will be the year. The second will be the amount. The third will be the interest for the year.
1                                                90                                                11.7
2                                                101.7                                           13.22
3                                                 114.92                                        14.94
The total would round to 39.86, so her interest for the 3 year would be 39.86, with her having 129.86 altogether.




7 0
3 years ago
Read 2 more answers
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