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Helen [10]
3 years ago
7

Three times the difference of a number and 7 is equal to 18

Mathematics
1 answer:
snow_lady [41]3 years ago
5 0
3•n-7 = 18 OR n-7•3 = 18
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In 2013, the population of the state of New York was approximately 19.65 million, and the population of New York City was 8,406,
maks197457 [2]
Population of the state of New York is 19.65 million. 
Million is equal to 1*10^6
So 19.65*10^6

Population of New York city is 8,406,000.
It is equal to 8.406*10^6

Therefore people in New York state did not in New York city is,
19.65*10^6 - 8.406*10^6
11.244*10^6
1.1244*10^7
7 0
3 years ago
If you have 186 pencils, how many how many will each person get in a class that has 23 students?
Brut [27]

Answer:

8

Step-by-step explanation:

total number of pencils = 186

number of students = 23

number of pencils each student gets = number of pencils ÷ number of pencils

=186/23

=8.08

so each student gets 8 pencils

6 0
3 years ago
Which values from the given replacement set make up the solution set of the inequality?
ziro4ka [17]
8,9,10
how i found this out was if u replace m with 8 it will be 8+7 which is 15 and less then 18
for 9 its 9+7 which is 16 which is less then 18
and for 10 its 10+7 which is 17 which is less then 18
and for 11 its 11+7 is 18 which is equal to 18 so it would not apply to this equation
hope this helps
5 0
3 years ago
Read 2 more answers
earned $4200 and earned $174 in interest if one earns 3.5% and the other 4.5 % how much was invested at each rate
Leno4ka [110]
X + y = 4200 so x = 4200 - y
0.035x + 0.045y = 174

substitute x = 4200 - y into 0.035x + 0.045y = 174

0.035x + 0.045y = 174
0.035(4200 - y) + 0.045y = 174
147 - 0.035y + 0.045y = 174
0.01y = 27
y = 2700


x + y = 4200
x = 4200 - 2700
x = 1500

answer

$1500 in <span>3.5% 
$2700 in 4.5%</span>
8 0
3 years ago
Write an equation in point slope form using (-2,3) (0,-3) and has a slope of 0/-2
Fittoniya [83]

Answer:

y-3=-0/2(x+2)

Step-by-step explanation:

big brain

8 0
3 years ago
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