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Temka [501]
3 years ago
10

Use the distributive property to simplify the expression. (100+4x)20+7x

Mathematics
1 answer:
ioda3 years ago
7 0

Answer:

2000 + 80x + 7x = 2000 + 87x

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23--2c=41 sorry last question
svlad2 [7]
C=9 np if u need anymore I gotchu
8 0
3 years ago
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If AD=20 and AC=3x+4, find the value of x. Then find AC and DC.<br><br> I don't understand.
Fofino [41]
<span>Using the information we have 3x+4=40 Do the same to each side of the equation to eliminate for x. 3x+4=40 Minus 4 from each side 3x=40-4 3x=36 Divide 3 from each side x=36/3 x=12 AC=3x+4 insert the value of x 3(12)+4=40 AC=40 AD=20</span>
5 0
3 years ago
Three sevenths of a children's choir are boys. If there are 12 boys in the choir, how many children, c, total are in the choir?
ruslelena [56]

Answer:

Here c represents the total number of children  in choir.

As per the statement:

Total number of boys in choir = 12

It is also given that: Three sevenths of a children's choir are boys.

⇒ Total number of boys = \frac{3}{7} c

or

12 = \frac{3}{7}c

By cross multiply we have;

84 = 3c

Divide both sides by 3 we have;

c = 28

Therefore, the total number of children in choir is 28 children


6 0
3 years ago
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Parallel or perpendicular 3x+5y=10 and 5x-3y=-6
devlian [24]
3x+5y=10 and 5x-3y=-6 is perpendicular.
6 0
2 years ago
Define and compare radian measure to degree measure
Lelechka [254]
Radian: is the standard unit of angular measure, used in many areas of mathmatics.
degree: is a measuement of plane angle, defined by representing a full rotation as 360 degrees.

Both are two units for measuring angles. There are at least four such units, but degrees and radians are most likely to encounter high school and college.
7 0
3 years ago
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