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Bogdan [553]
3 years ago
6

Someone please help me understand how to do this

Mathematics
1 answer:
andrey2020 [161]3 years ago
8 0

Answer: These are the answers for the first section

A) 1/5(10)-4= -2

B) 1/5(-15)-4= -7

C) 1/5(2)-4= -3.6

Step-by-step explanation: You plug in those numbers for X

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Is (3,13) a solution of y = 2x - y
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Answer:

NO

Step-by-step explanation:

(x, y) so if you plug in your points... 13 = 2(3) - 13

To solve:

Multiply:    13 = 2(3) - 13

Subtract:   13 = 6 - 13

Answer:     13 does not equal -7

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The population of a city has been increasing by 2% annually. The sign shown is from the year 2000.
Fofino [41]

The population will be about 2972 population in 2020

<h3>Exponential functions </h3>

The standard exponential equation is expressed as;

y = ab^x

where

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Given the following parameters

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  • b = 0.02

Substittute the given parameters into the formula

y = 2000(1.02)^x

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The population will be expressed as;

y = 2000(1.02)^20

y = 2972 populations

Hence the population will be about 2972 population in 2020

Learn more on exponential functions here; brainly.com/question/12940982

5 0
3 years ago
Show how to solve 378*6 using place value with regrouping. Explain how you knew when to regroup.
SpyIntel [72]
<span>To regroup 378 x 6, you must first establish the place values of each digit. 3 has a place value of 300, because it is in the hundreds column; 7 has a place value of 70 because it is in the tens column; 8 has a place value of 8 because it is in the units column. This means you can regroup 378 x 6 as (300 x 6) + (70 x 6) + (8 x 6). This makes 2,268. </span>
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Tracy was given a bag of 250 colored marbles .She randomly chose marble , recorded its color in the table ,and returned it to th
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Answer:

Did you ever figured it out?

Step-by-step explanation:

?

5 0
3 years ago
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