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Leokris [45]
3 years ago
14

Please help with question 7 and 8 also 9

Mathematics
1 answer:
noname [10]3 years ago
5 0
I think it would be B but I’m not sure for number 7
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Lmk asap please cuz I need it by tonight
OLEGan [10]

Answer: 20

Step-by-step explanation:

2x^2 + 4y=

2(2)^2 + 4(3)=

2(4)+12=

8+12=20

7 0
1 year ago
Rate of change of d=60h + 20
77julia77 [94]
H=1/3+1/60d,d=R Hope this is correct.
6 0
3 years ago
The price for the items ordered for lunch was $23.45. How much would the price be after tax and tip if the tax rate is 8% and yo
miv72 [106K]
23.45 × .08 = 1.88
23.45 × .2 = 4.69
23.45 + 1.88 + 4.69 = 30.02
The total price would be $30.02.
8 0
3 years ago
The length of the base of an isosceles triangle is x. The length of a leg is 4x-6. The perimeter of the triangle is 60. Find x.
lbvjy [14]

Answer:

Perimeter of a triangle = add all sides

Both the legs of the isosceles triangle are always EQUAL.

x+4x-6+4x-6 = 60

9x-12 = 60

9x = 60+12

9x = 72

x = 8

3 0
2 years ago
The function f(x) = 16,800(0.9)x represents the population of a town x years after it was established. What was the original pop
Setler79 [48]

I am guessing that the correct form of equation is:

f(x) = 16,800(0.9)^x
where x is the exponent of (0.9)  

Since we are looking for the original population and x stand sfor the number of years, therefore x=0
substituting:
f(x) = 16,800(0.9)^0

Since (0.9)^0  would just be equal to 1. Therefore the original population is 16,800. 

 

Answer: B. 16,800

3 0
3 years ago
Read 2 more answers
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