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algol [13]
3 years ago
15

Justify each step

Mathematics
1 answer:
gladu [14]3 years ago
6 0
The answer is 3.141529

<span>I'm right.</span>
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Trina buys a pizza in the shape of a circle with a diameter of 14 in what is the area of the pizza​
ioda

Answer:

153.94

Step-by-step explanation:

A = pi * r^2

A = pi * 7^2 (radius is half of the diameter)

A = 49 * pi

A = 153.94

i hope this helps !!

3 0
3 years ago
Two linear equations are shown. A coordinate grid with 2 lines. The first line is labeled y equals StartFraction one-third EndFr
Lorico [155]

Answer:

(7,\frac{13}{3})

Step-by-step explanation:

we have

<em>The equation of the first line</em>

y=\frac{1}{3}x+2 ------> equation A

<em>The equation of the second line</em>

y=\frac{4}{3}x-5 ------> equation B

Solve the system of equations by elimination

Multiply equation A by -4 both sides

(-4)y=(-4)(\frac{1}{3}x+2)

-4y=-\frac{4}{3}x-8 --------> equation C

Adds equation B and equation C

y=\frac{4}{3}x-5\\-4y=-\frac{4}{3}x-8\\--------\\y-4y=-5-8\\-3y=-13\\y=\frac{13}{3}

<em>Find the value of x</em>

substitute the value of y

\frac{13}{3}=\frac{1}{3}x+2

\frac{1}{3}x=\frac{13}{3}-2

Multiply by 3 both sides

x=13-6

x=7

therefore

The solution to the system of equations is the point (7,\frac{13}{3})

5 0
3 years ago
Read 2 more answers
1) State the area of the given trapezoid.
Ber [7]

Answer:

The answer would be 26

Step-by-step explanation:

First I divided the shape to make a rectangle and a right  angle triangle, then i calculated the shape of the rectangle which came out to be 20. After that I calculated the area of the right angle triangle which is 6. So The answer would be 6 + 20 = 26

5 0
2 years ago
Simplify (3-4i)(5+2i)
Andre45 [30]
Foil
15+6i-20i-8i^2
-8i^2=8
15+8+6i-20i
23-14i
6 0
3 years ago
PLS HELPPPPPPPPPPPPPPPP
dezoksy [38]
All -1.8

In addition and subtraction the order of the numbers does not matter, so the result will always remain the same
8 0
3 years ago
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