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igomit [66]
3 years ago
11

What are these last two its confusing.

Mathematics
2 answers:
faust18 [17]3 years ago
8 0
Hi I don't understand what you're asking?
GenaCL600 [577]3 years ago
6 0

1. 125/5

25/1

250/10

2. 1/4

2/8

4/16

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Women's swinsuit are 75% off at the end of the summer seson how much will a customer save by buying an $80 swimsuit while it is
alexandr402 [8]

Answer:

$60

Step-by-step explanation:

75% divided by 100 x 80 = 60

              OR

$80 divided by 100 x 75 = 60

6 0
3 years ago
A wise man once said, "500 reduced by 4 times my age is 188." What is his age?
hoa [83]

Answer:

125

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
An element with a mass of 550 grams decays by 18.8% per minute. To the nearest minute, how long will it be until there are 60 gr
dmitriy555 [2]

Answer:  11

Step-by-step explanation:

Exponential Functions:

y=ab^x

y=ab  

x

 

a=\text{starting value = }550

a=starting value = 550

r=\text{rate = }18.8\% = 0.188

r=rate = 18.8%=0.188

\text{Exponential Decay:}

Exponential Decay:

b=1-r=1-0.188=0.812

b=1−r=1−0.188=0.812

\text{Write Exponential Function:}

Write Exponential Function:

y=550(0.812)^x

y=550(0.812)  

x

 

Put it all together

\text{Plug in y-value:}

Plug in y-value:

60=550(0.812)^x

60=550(0.812)  

x

 

\frac{60}{550}=\frac{550(0.812)^x}{550}

550

60

​  

=  

550

550(0.812)  

x

 

​  

 

Divide both sides by 550

0.109091=0.812^x

0.109091=0.812  

x

 

\log 0.109091=\log 0.812^x

log0.109091=log0.812  

x

 

Take the log of both sides

\log 0.109091=x\log 0.812

log0.109091=xlog0.812

use power rule to bring x to the front

\frac{\log 0.109091}{\log 0.812}=\frac{x\log 0.812}{\log 0.812}

log0.812

log0.109091

​  

=  

log0.812

xlog0.812

​  

 

Divide both sides by log(0.812)

10.638757=x

10.638757=x

x\approx 11

x≈11

5 0
4 years ago
Explain the expression -8 times 7
xz_007 [3.2K]

Answer:

well technically it is -8x7 because it has the word times and most of the  time times means multiplication

Step-by-step explanation:

8 0
3 years ago
I need the answers for <br>41.<br>42.<br>43.<br>someone please help this is due tmr.​
statuscvo [17]

Answer:

1

c. as u can just estimate

2

550/(60*1.61)~5.7, so a.

3

34/8*12=51 so c.

6 0
3 years ago
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