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Licemer1 [7]
3 years ago
8

1.8 + 3.5y + 0.9 + 9 = 16.2

Mathematics
2 answers:
sweet [91]3 years ago
7 0
First of all you group like terms
3.5y=16.2-1.8-0.9-9
3.5y=16.2-11.7
3.5y=4.5
Divide through by 3.5 to get y
3.5y/3.5=4.5/3.5
y=1.2857
Ksju [112]3 years ago
6 0

Answer:

Its about 1.3

Step-by-step explanation:

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A class is selling magazines as a fund raiser. Of the 500 magazines sold, Allie sold 1/7of them. Gary sold 0.085 of the magazine
jarptica [38.1K]
Allie sold about 71 magazines.
Gary sold about 43.
Rob sold about 45.
Felisha sold about 93.
Felisha sold the most magazines.

Elaboration:
Since Allie sold 1/7 of the 500 magazines, you must find 1/7 of 500. To do this, multiply 500 by the numerator, which is 1. Now you have \frac{500}{7}, which is the same thing as dividing 500 by 7, which is around 71.

Since Gary sold 0.085 of the magazines, you multiply this decimal by that same 500, getting about 43.

Since Rob sold 9/100 of the magazines, you once again multiply 500 by the numerator, coming out with 4,500. Then you replace the 9 with that number, so you have \frac{4,500}{100}, which is also the same thing as Allie's in the fact that you're dividing 4,500 by 100, which is 45. Therefore, Rob sold 43 magazines.

Since Felisha sold 0.185 of the magazines, you follow the same procedure as with Gary - multiply the decimal by 500, getting 93.

Hope this helps! Live long and prosper, my friend. :)
4 0
3 years ago
25^2-3x = 1/5^4<br> solve for x show all steps<br> HELP ME PLEASEEE;(
fgiga [73]
If its (1/5)^4
625-3x=625
-3x=0
x=0

If its 1/5^4 then the answer is 390624/1975
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Order of operations matters
5 0
4 years ago
The area of a rectangular art studio is given by the trinomial 12x^2 + 5x - 2 What are the
nikklg [1K]

ANSWER

(3x + 2) \: by \: (4x - 1)

EXPLANATION

The area of a rectangular art studio is given by the quadratic trinomial:

12{x}^{2}  + 5x - 2

By comparing this to:

ax²+bx+c

We have a=12, b=5, and c=-2

ac=12*-2=-24

The factors of -24 that gives a sum of 5 are 8,-5

We split the middle term with these factors to get:

12{x}^{2}  + 8x  - 3x- 2

Factor by grouping,

4x(3x + 2) - 1(3x + 2) = (3x + 2)(4x - 1)

The possible dimensions are:

(3x + 2) \: by \: (4x - 1)

4 0
3 years ago
What is the length of GH¯¯¯¯¯¯, to the nearest tenth of a meter? 7.3 m 13.7 m 14.1 m 19.4 m A scalene triangle G H J. The base s
nlexa [21]
By applying the law of sines.

\frac{GH}{sin \ J} =  \frac{GJ}{sin \ H}

Given:
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∴ </span><span>\frac{GH}{sin \ 45} =  \frac{10}{sin \ 31}

∴ GH = 10 * sin 45° / sin 31° ≈ 13.7 m
</span>
8 0
3 years ago
Read 2 more answers
Which General won the Battle of Gettysburg?
lesya692 [45]

Answer: The Cautious Meade

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The Union had won the Battle of Gettysburg. Though the cautious Meade would be criticized for not pursuing the enemy after Gettysburg, the battle was a crushing defeat for the Confederacy.

Hope this helped<3.

5 0
3 years ago
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