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kaheart [24]
3 years ago
5

Yo, can u help me with this, please?​

Mathematics
1 answer:
GarryVolchara [31]3 years ago
8 0

Answer:

it is 12

Step-by-step explanation:

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Change 23/4 to percent
kicyunya [14]
12.5% because you divide the two and get 0.125 then to convert it to a percent multiply by 100 for get 12.5%
6 0
4 years ago
The circumference covered by a radar signal can be represented by the expression 400π miles. What is the approximate length of t
goldfiish [28.3K]

Answer:

127 if it says to use 3.14, 200 if it does not ask to use 3.14

Step-by-step explanation:

C=2\pi r

Substitute  C for 400

400=2*r

400=2r

divided both sides by 2

Answer is 200

8 0
3 years ago
Read 2 more answers
The question is listed in the image below.
LenaWriter [7]

Answer:

y = 7

Step-by-step explanation:

The similarity statement ABCD \sim WXYZ tells you which vertex from the first polygon corresponds to which vertex from the second polygon.

A is paired with W, B is paired with X, C is paired with Y, D is paired with Z.

The expression <em>y</em> + 2 is placed along side WZ which corresponds to side AD in the first polygon.

Now locate two sides, one from each polygon, that are labeled with just <u>numbers</u>.  That way, you'll be able to tell what the proportion is between the two shapes.

AB and WX correspond and are labeled 5 and 3, respectively.

Now you can write a proportion:

\frac{WX}{AB}=\frac{WZ}{AD}\\\\\frac{3}{5}=\frac{y+2}{15}

Use the Means-Extremes Property ("cross multiply").

5(y+2)=3(15)\\\\5y+10=45\\\\5y=35\\\\y=7

6 0
3 years ago
Which is the completely factored form of 12x4 + 39x3 + 9x2?
Advocard [28]
Hello,

12x^4+39x^3+9x²=x²(12x²+39x+9)=x²(12x²+36x+3x+9)=x²(4x(3x+9)+(3x+9))
=x²(3x+9)(4x+1)
=3x²(x+3)(4x+1)

3 0
3 years ago
Read 3 more answers
Help now!!! Due at midnight
jasenka [17]

Answer:

20

Step-by-step explanation:

the answer is 20 hope this helps

6 0
3 years ago
Read 2 more answers
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