What is (5x + 3z) +9z simplified

Answers

Answer 1

Answer: 5x+12z Because you take, 3z+9z and that is equivalent to 12z. and then you put the 5x back into the equation so it is 5x+12z

Answer 2

Answer:

the answer is 8x+12z

your welcome

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Mrs. Chen owns two pieces of property. The areas of the properties are 77,120 square feet and 33,500 square feet. 43,560= 1 acre
Find the total number of acres Mrs. Chen owns, to the nearest hundredth of an acre and please explain how to do it.

Answers

First add the two areas of the properties together.
77120 + 33500 = 412120 square feet
Divide this number by 43560 to get the number of acres.
412120/43560 = 9.46

Answer: 9.46 acres

Okay so there are two pieces of property Mrs. Chen owns, so in order to find the total number of feet, add 77,120 and 33,500.
77,120 + 33,500= 110,620
1 acre= 43,560
To find the total number of acres now, you divide 110,620 ÷ 43,560
and that equals about 2.54. (Since you asked for the nearest hundredth of an acre)
If I'm wrong, please forgive me.
I notice that you are in high school and I am in middle school, so if I am wrong, I am so sorry. But if I'm correct, I hope this helped!
- Alina (:

Can you help me with this problem?

Answers

s + g = 350; /*(-3) => -3s - 3g = -1050;

3s + 5g = 1450;

=> 2g = 400 => g = 200 ( general admission tickets);
=> s = 350 - 200 => s = 150 ( student tickets);

Enter an equation for the linear function f(x) using the given information.slope −
8
7
, y−intercept 9

Answers

f(x)=87x+9

F(x) is basically saying that function X is equal to... then you use the form of y=mx+b to get the equation.

y=mx+b
m=slope=-8/7
b=y-intercept=9

y=-7/8x+9

To figure this out, fill in the blanks and do the math:x _____ seconds in a minute
x _____ minutes in an hour
x _____ hours in a day
x _____ days in a year
x __________ miles per second (speed of light) =
______________ miles in one light-year.

Answers

1 is 60. 2 is 60. 3 is 24. 4 is 365.25. 5 Is 186282. 6 is 5879000000000 or 5.879 X 10^12.

Find the Surface Area of a cylinder with a base radius of 2 cm and a height of 3 cm. Use pi = 3.14

Answers

$A_S=2\pi r^2+2\pi rH\n\nr=2cm;\ H=3cm\n\nA_S=2\pi\cdot2^2+2\pi\cdot2\cdot3=2\pi\cdot4+2\pi\cdot6=8\pi+12\pi=20\pi\ (cm^2)\n\n20\pi\approx20\cdot3.14=62.8\ (cm^2)$

$S=2\pi r(r+h)\n S=2\cdot3.14\cdot2\cdot(2+3)\n S=12.56\cdot5\n S=62.8\ cm^2$

The area of a circle is 9pi square meters. What is the circumference?

Answers

circumference of a circle=2πr

area=πr²

1) we calculate the radius of this circle.
Data:
area=9π m²
area=πr²

9π m²=πr²
r²=9π m² / π
r²=9 m²
r=√(9 m²)=3 m

2) we calculate the circumference:
circumference=2πr=2π(3 m)=6π m

Answer: the circumference is 6π m

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In a 100 kg afebrile person with intact skin, insensible fluid loss from lungs and skin is approximately: A) 500 mL/day. B) 800 mL/day. C) 1000 mL/day. D) 1200 mL/day.