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zhannawk [14.2K]
3 years ago
13

Plz answer quick!!! Apx Unit 7

Mathematics
1 answer:
Brut [27]3 years ago
6 0
It’s letter D because the square in Step 1 is still not big enough to look like Step 2. hope this helps.
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Question 2 (Essay Worth 10 points)
Soloha48 [4]

Answer:

Account A: Decreasing at 8 % per year

Account B: Decreasing at 10.00 % per year

Account B shows the greater percentage change

Step-by-step explanation:

Part A: Percent change from exponential formula

f(x) = 9628(0.92)ˣ

The general formula for an exponential function is

y = ab^x, where

b = the base of the exponential function.

if b < 1, we have an exponential decay function.

ƒ(x) decreases as x increases.

Account A is decreasing each year.

We can rewrite the formula for an exponential decay function as:

y = a(1 – b)ˣ, where

1 – b = the decay factor

b = the percent change in decimal form

If we compare the two formulas, we find

0.92 = 1 - b

b = 1 - 0.92 = 0.08 = 8 %

The account is decreasing at an annual rate of 8 %.The account is decreasing at an annual rate of 10.00 %.

Account B recorded a greater percentage change in the amount of money over the previous year.

5 0
2 years ago
Emily has 32 grams of a 25% sugar syrup, but this is just too sweet for her! How much pure water should she add to have a 10% sy
GarryVolchara [31]
32 grams = water mass + sugar mass . 100% syrup=75% water+ 25%sugar 
original water content= 32*75/100=24 grams
original sugar content= 32*25/100= 8grams 

total mass at 10% syrup:
8grams/total mass=10%=0.1
total mass=8/0.1=80grams
total mass of water=80grams- 8grams of sugar content= 72 grams
total mass of water added=72grams- 24grams original water content= 48grams.

answer: 48grams

3 0
3 years ago
Read 2 more answers
Table A, B, C, Or D???<br> I’ll give brainlest
Aleks04 [339]

Answer:

i want to say C, im sorry if its wrong but im pretty sure its the right one

Step-by-step explanation:

6 0
2 years ago
of the total number of pages in a book, 62% have pictures and the rest have no pictures. There are 310 pages with pictures in th
Dmitry [639]
The answer is that: there is 62% of 310? The answer is 186 pages.
4 0
3 years ago
Solve the system of equations. It is an order pair.......... Remember to SHOW
lisabon 2012 [21]
-3x + 2y = -3
4x - y = -1

2(4x - y = -1)

-3x +2y = -3
8x -2y = -2

-5x = -5
/-5

X = 1
5 0
2 years ago
Read 2 more answers
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