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loris [4]
3 years ago
13

5x + 3y = 4z Solve for Y.​

Mathematics
2 answers:
harkovskaia [24]3 years ago
6 0

Answer:

y = -5/3x + 4/3z

Step-by-step explanation:

5x + 3y = 4z

3y = -5x + 4z

y = -5/3x + 4/3z

schepotkina [342]3 years ago
5 0
Y=-5/3•+4/3z ssheehehebdbdhddbssb
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The class has collected $75.50 for a pizza party. A large pizza costs $9.50. Which one-step-inequality could be used to find the
Veseljchak [2.6K]

Answer:

7 large pizzas

Step-by-step explanation:

multiply 9.50 by every number on the calculator and get 9.50×7=66.5

or just divide 75.50 by 9.50

or idk

4 0
3 years ago
the angle θ is 7.2 degrees, and the circle arc s is 800 km. knowing that there are 360 degrees in a full circle what is the circ
kumpel [21]

The earth is 40000 kilometers around. There is no need to round off because the circumference already contains significant figures.

How do I calculate a circle's circumference?

A circle's diameter is multiplied by to determine its circumference (pi). You can also determine the circumference by multiplying 2radius by pi (=3.14).

Given: theta angle (central) = 7.2°; arc length S = 800 km

This indicates that an 800 km long arc is extending a circle with a 7.2° center angle ( earth in this case).

By definition, "An arc's length is a portion of a circle's diameter."

Therefore, we must first establish what percentage of the circle the specified arc length represents.

360° is a complete circle.

Thus, the fraction equals 7.2°/360°, or 1/50.

As a result, the stated arc length (800km) with a 7.2° central angle is 1/50th of the entire circle.

Thus, the whole circumference is 800 x 50, or 40000 km.

Alternately, you can calculate circumference using the formula below:

360° center angle x arc length as the circumference (theta)

Values substituted: circumference 800 = 360° 7.2°

circumference = 360°, 800°, and 7.2°, or 40000 kilometers

Therefore, the earth is 40000 kilometers around. There is no need to round off because the circumference already contains significant figures.

Learn more about Circumference

brainly.com/question/27447563

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4 0
1 year ago
Joe drove 538 miles in 9 hours 15 minutes what was his average speed per hour
DanielleElmas [232]
To calculate any speed, the equation is speed=distance/time
Basically, you first need to take your 9 hours and 15 minutes and combine them into a number with a decimal value.
So, 15*4=60
Sound familiar? Good, because 25*4=100, so they are the same here.
So, we can say 9 hours and 15 minutes is equal to 9.25
Take this now: Speed=538/9.25
You get 58.1621, which you can round to 58.2
This is, of course, your final answer, so Joe drove at 58.16 mph
7 0
3 years ago
A coffee table cost $120 more than a chair.Ali bought 1 coffee table and 5 such chairs for $258.How much did each chair cost ?
Alex17521 [72]
Hope this help you!!

4 0
3 years ago
The side length of one of the pentagons measures 2 inches and the apothem measures about 1. 38 inches. What is the area of one o
Reptile [31]

Answer:

Pentagon: 6.9 in^2

Hexagon: 10.4 in^2

- to the nearest tenth.

Step-by-step explanation:

I am assuming that the pentagon and hexagon are regular.

Area of the pentagon :

Perimeter P = 5 * 2 = 10 inches.

Area = 1/2 * a * P      where a = the apothem

Area = 1/2 * 1.38 * 10

= 6.9 in^2.

Area of the hexagon :

Perimeter P = 6 * 2 = 12 inches.

Area = 1/2 * a * P      where a = the apothem

Area = 1/2 * 1.73 * 12

= 10.38 in^2.

6 0
3 years ago
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