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nikklg [1K]
3 years ago
6

Is decagon obtuse acute or right angle

Mathematics
2 answers:
kakasveta [241]3 years ago
8 0
The answer is obtuse
enot [183]3 years ago
5 0
I think its acute angle
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The length of a rectangular garden is three feet less than twice it’s width. If the perimeter of the garden is 42 feet, what is
Masja [62]

Answer:

The length of a rectangular garden is: 13 feet

Step-by-step explanation:

You have 2 lengths that are 2x-3 feet, and 2 widths that are x.

2x-3 + 2x-3 +x +x =42 feet

4x -6 +2x -42 feet

6x -6 = 42 feet

6x = 48 feet

x = 8 feet (so, 2x-3 = 16-3 = 13 feet)

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3 years ago
Sophia purchased a cell phone for $25. This amount includes tax of 6%. What was the cost of the items before tax?
hram777 [196]
The sales price before tax was $23.58. Hope this helps!
4 0
3 years ago
While waiting for a bus, Todd decided to play with consecutive numbers (whole numbers that increase in order without skipping, s
Lesechka [4]

Answer:

A: 8+9+10=27

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   10+11+12=13

B: 19+20+21

C:  There isn't any.

Step-by-step explanation:

It just is lol.

4 0
3 years ago
HELP PLEASEE!!!!
ss7ja [257]

Answer:

See below ~

Step-by-step explanation:

\textsf {Each of the steps has been reasoned below :}

\implies \textsf {3x - 2 = 4 (Given)}

\implies \textsf {3x = 6 (Addition Property of Equality)}

\implies \textsf {x  = 2 (Division Property of Equality)}

\textsf {In the second step, the property has been applied}\\\textsf {by adding 2 to each side of the equation.}

\textsf {In the third step, the property has been applied by dividing 3 on each side.}

3 0
2 years ago
Read 2 more answers
A scientist has saline solutions with concentrations of 4% and 14% . He wants to mix some of each solution to get 65 milliliters
Komok [63]
Let volume of 4% solution = x and of 14% be y

them x + y = 65........(1)    also  using the actual weights of  salt:-

0.04x + 0.14y  =  65*0.06 = 3.9

multiplying the above equation by  -25 we have

-x - 3.5y = -97.5    adding this to equation (1)

--2.5y = -32.5
y= 13 

and x = 65 - 13 = 52

so we need 13 mls of the 14%,  and 52 mls of the 4% solution.
8 0
3 years ago
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