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motikmotik
3 years ago
7

How do you do 20x-10y=50 10x-15y=-5 in system of equations

Mathematics
1 answer:
swat323 years ago
8 0

Answer:The point form would be (4,3) and the equation form would be x=4,y=3

Step-by-step explanation:

can I get marked brainliest

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Suppose that AB and EF are corresponding sides of similar triangles. If AB=2 and the scale factor is 5, what is EF?
Zina [86]

Answer:

EF=10

Step-by-step explanation:

If they are corresponding,

AB = 2 x Scale factor of 5 = 10

8 0
3 years ago
Marlow is comparing the prices of two truck rental companies. Company A charges $3 per hour and an additional $75 as service cha
vichka [17]
[Part A]

company A                company B
A=3h+75                    B=2h+85

definition of variables
A=company A
B=company B
h=number of hours used

[Part B]
company A would charge less for 5 hours

justification
company A                 company B
A=3(5)+75                   B=2(5)+85
A=15+75                     B=10+85
A=90                           B=90

[Part C]
By using the services of company A instead of company B to rent a truck for three hours you save 7 dollars.
company A:  A=3(3)+75 = 9+75= 84
company B:  B=2(3)+85 = 6+85 = 91
difference: 91-84= 7
6 0
3 years ago
Read 2 more answers
The button on Jeanette's coat has a radius of 4 millimeters. What is the button's area?
yan [13]
<h3>Answer:   50.24</h3>

Work Shown:

A = \pi*r^2\\\\A \approx 3.14*4^2\\\\A \approx 50.24\\\\

The area of the circular button is roughly 50.24 square mm.

3 0
2 years ago
Pleasee helpp answer correctly !!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!
zubka84 [21]

Answer:

x = 146º

Step-by-step explanation:

the sum of two angles on the same side is 180º

x + 34º = 180º                subtract 34º from both sides

x = 146º

8 0
3 years ago
Graph the system of inequalities. y is greater than 3x-4 4y-x is less than or equal to 8
Ugo [173]

Answer:

no;no because it is going to be negative 12.

Step-by-step explanation:

first you do 3x-4=-12 and so if you get -12 it is not even close to 8.

4 0
3 years ago
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