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kifflom [539]
2 years ago
5

What is the first step in solving the system shown below using substitution? 2x=y-1 y=3x

Mathematics
2 answers:
olga55 [171]2 years ago
7 0

Answer:

you have to solve the first equation for y

Step-by-step explanation:

Ronch [10]2 years ago
5 0

Step-by-step explanation:

At first put the value of y that is 3x in equation 2x=y-1.

Then put the value of x in equation y=3x that comes from the first solving part.

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Given: m
marissa [1.9K]

Answer:

m∠LTE = 110

Step-by-step explanation:

1. add up all of the arcs.

2x+3x+4x-8+x-12

2. all of the arcs equal 360

2x+3x+4x-8+x-12=360

3. Find x

10x-20=360, x=38

4. angle LTE is equal to half of the sum of the intercepted arcs.

0.5(arc LE +GF)

5. plug in LE +GF with x

.5(76+144)

7 0
3 years ago
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I need help on a question
NeX [460]

Jb, this is the solution:

If T = (x + 3, y + 1),

T3 = 3(x + 3, y + 1)

T3 = 3x + 9, 3y + 3

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7 0
1 year ago
ABCD is a parallelogram. If mZCDA = 63, then mZABC = _?_ The diagram is not to scale.
nevsk [136]

Answer:

b. 63

Step-by-step explanation:

A Parallelogram is known to be a flat shape quadrilateral which has four opposite sides Each two opposite sides are parallel and are equal in length. The opposite angles are equal.

The above answer is correct because opposite angles of a parallelogram are equal:

m∠CDA = m∠ABC

where m∠CDA = 63

∴ m∠ABC = 63 (answer)

4 0
3 years ago
Which of these are the constant?<br> 4y+1+9x
kupik [55]

Answer:

1 is the constant

Step-by-step explanation:

8 0
2 years ago
Need help with this pls show work
Gemiola [76]

Answer:

Ron got 3 additional toppings

Step-by-step explanation:

Lets call the amount of toppings that Ron got t. With this, we can set up the following equation:

8.95+0.65t=10.90

Subtract 8.95 from both sides:

0.65t=1.95

Divide both sides by 0.65:

t=3

Hope this helps!

6 0
3 years ago
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