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tester [92]
3 years ago
10

Please help me just number 8

Mathematics
2 answers:
erica [24]3 years ago
8 0
A = 13,9/10-3,1/2=3,1/2 times5/5=13,9/10-3,5/10=10,4/10
B=13,9/10-9,9/10=4,0/0
Rufina [12.5K]3 years ago
4 0

Answer:

a. 3.9714285714 b.1.404040404

Step-by-step explanation:

13.9/3.5

13.9/9.9

I do not know if this is correct, but give it a try.

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If angle 7 has a measure of 135° in the given diagram, what is the measure of angle 6
ivann1987 [24]
135. They both have the same “size”, and are called vertical angles
6 0
3 years ago
Suma a trei numere este 130. Stiind ca ele sunt invers proportionale cu numerele 2,3,4 aflati numerele
garik1379 [7]
A+b+c=130 a,b,c  ip  cu 2,3,4 2a=3b=4c=k a=k/2 b=k/3 c=k/4 k/2 + k/3+ k/4= 130  aducem la acelasi numitor (12) 6k+4k+3k=1560 13k=1560 k=120 a=120/2=60 b=120/3=40 c=120/4=30
6 0
3 years ago
Read 2 more answers
I need help finding
Varvara68 [4.7K]

Answer:

the correct answer will be b/c

4 0
2 years ago
Read 2 more answers
From 1990 to 2000, the population of Florida increased by 2.13% per year. The population (in millions) in the year 1990 was 16 E
belka [17]

Answer:

19 million

Step-by-step explanation:

So generally whenever we express a exponential function, it's in the form: y=a(b)^x

where a=initial value aka when x=0

in this case, b can be expressed as: 1+r, where r is the growth rate, which in this case is 2.13%, and expressing that as a decimal (divide by 100), r=0.0213, thus b=1.0213

This gives us the following equation: y=16(1.0213)^x

To kind of give you a intuitive reason as to why this makes sense, think of that 1.0213 wrapping around the previous value.

So when x=0, it's actually just 16, since any number (besides 0) to the power of 0, equals 1.

When x=1, we get: 1.0213(16), which can be expressed as a 2.13% increase from year 0

When x=2, we get: 1.0213(1.0213(16)), which can be expressed as a 2.13% increase from year 1

when x=3, we get: 1.0213(1.0213(1.0213(16))), which can be expressed as a 2.13% increase from year 2.

In other words, each year we're getting another 1.0213 to multiply by (very definition of an exponent).

So to calculate the population in 1997, we put in x=7, since it's 7 years after 1990

We get the following equation: y=16(1.0213)^7

Using a calculator this simplifies to approximately: 18.5436

Rounding this to the nearest integer would yield 19, and since the values are expressed in millions, the answer would be 19 million

4 0
2 years ago
Measuring angles with a protractor​
tankabanditka [31]

Answer:

it is about 48 degrees

Step-by-step explanation:

MARK ME BRAINLIEST THANKS MY ANSWER PLEASE

3 0
2 years ago
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