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Korolek [52]
3 years ago
10

Area and perimeter of composite figures​

Mathematics
1 answer:
nydimaria [60]3 years ago
6 0
Area is 92.13 and the perimeter is 47.42 i think it’s correct
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Solve the system of equations using subtraction.<br> 4x - 2y = 10<br> 4x + y = 19
Alex777 [14]

Answer:

y=3 x=4

Step-by-step explanation:

4x - 2y = 10

<u>4x + y = 19</u>

    -3y=-9

the 4x canceled out.

y=3

plug in y into one of the equations

4x + 3 = 19

4x=16

x=4

Hope this helps!

If not, I am sorry.

3 0
2 years ago
Read 2 more answers
Help? Need ASAP 736383727
STALIN [3.7K]

Answer:

9

Step-by-step explanation:

multiply the numbers on the top and left, like 6x3=18 units. however, since its half of 18 units, it will be 9

3 0
4 years ago
Read 2 more answers
Determine the value of base x if (211)x = (6A)16
igor_vitrenko [27]
211_x=2x^2+x+1
6A_{16}=106_{10}

\implies 2x^2+x+1=106\iff 2x^2+x-105=(x-7)(2x+15)=0

This has two solutions, x=7 and x=-\dfrac{15}2.
4 0
4 years ago
Find a degree 3 polynomial with real coefficients having zeros 3 and 3−3i and a lead coefficient of 1. Write P in expanded form.
LekaFEV [45]

Answer:

P =  x³ − 9x² + 36x − 54

Step-by-step explanation:

Complex roots come in conjugate pairs.  So if 3−3i is a zero, then 3+3i is also a zero.

P = (x − 3) (x − (3−3i)) (x − (3+3i))

P = (x − 3) (x − 3 + 3i) (x − 3 − 3i)

P = (x − 3) ((x − 3)² − (3i)²)

P = (x − 3) ((x − 3)² + 9)

P =  (x − 3)³ + 9 (x − 3)

P =  x³ − 9x² + 27x − 27 + 9x − 27

P =  x³ − 9x² + 36x − 54

6 0
3 years ago
What is a deviation?
Xelga [282]
When an amount differs from a fixed amount such as the mean
5 0
3 years ago
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