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Kryger [21]
3 years ago
12

I need help filling in the blank

Mathematics
1 answer:
Rudik [331]3 years ago
6 0
The basic format for an exponential equation is y=ab^x

You know the Initial value is 16 and the decay constant is 0.5:

y=16x0.5^x

Percent increased by: 0.5/16 x 100%
=3.125% 

I have attached the graph below. 

Sample problem: 
Scientists started with an unknown sample. They weighed 16 grams of it. They noticed soon after that the sample was decaying at the speed of 0.5 grams every year. Model an equation. 

Hope I helped :) 

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Please help me, I need help so bad. make sure to write the full calculation please. If you want bonus points please answer the s
cluponka [151]

Answer:

1. About 9 left. 2. £21 left

Step-by-step explanation:

First, you do 65 ÷ 3 = 21.7 if rounding to the tenths, 21.67 if to the hundredths, and so on. Then you do 21.67 - 12 = 9.67. But since it is cards, I would say about 9 left.

First you add the £20 to the £70 to get £90. then you multiply 7×3 to get £21 spent on books. After that, multiply 12×4 to get £48 spent on games. then do 48 + 21 = 69. 90-69= 21.

Here is the equation....

(70+20)-[(7×3)+(12×4)] = £21

6 0
3 years ago
Witch number is the product of 12.22 x 15.38
gayaneshka [121]

Answer:

187.9436

Step-by-step explanation:

Multiply

5 0
3 years ago
Read 2 more answers
The cheerleader section is on the basketball court. Each row requires a section of floor that is 1 ¾ yards by 3 ⅓ yards. How man
Lady_Fox [76]

Answer:

The area of the floor space is equal to 5.83 sq yards.

Step-by-step explanation:

Given that,

Each row requires a section of floor that is 1 ¾ yards by 3 ⅓ yards.

We need to find how many square yards of floor space are taken up by one row of cheerleaders.

We know that, the area of a rectangle is given by :

A = lb

So,

A=\dfrac{7}{4}\times \dfrac{10}{3}\\\\A=5.83\ yards^2

So, the area of the floor space is equal to 5.83 sq yards.

5 0
3 years ago
Mary has walked 8 km, which is 55% of the total distance she will walk. How much farther
Viefleur [7K]

To find the total distance, Divide distance already walked by percentage:

8 / 0.55 = 14.55 km

She already walked 8 so now subtract:

14.55 - 8 = 6.55 km left to walk

3 0
3 years ago
Please Help ASAP!!!!!!
Vesna [10]
The answer is c (4, 1) because when you add 1 to the x value it moves right one and then when you subtract 3 from the y value it goes down 3 making it (4, 1)
8 0
3 years ago
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