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cricket20 [7]
3 years ago
12

Solve the following system of equations. 2x+y = 3 x=2y – 1 x= y=

Mathematics
1 answer:
qaws [65]3 years ago
4 0

Answer:

y=1    x=1

Step-by-step explanation:

2x + y = 3

x = 2y - 1  

.

It looks like I could substitute the x=2y-1. Into 2x+y=3

2(2y-1)+y=3

4y-2+y=3

5y=5

y=1

x=2(1)-1

x=1

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For questions 3 and 4 identify any congruent figures in the coordinate plane explain​
BaLLatris [955]

Answer:

4. ▭<em>LKJH</em><em> </em>≅ ▭<em>DCBA</em>

∆<em>VUT</em> ≅ ∆<em>PNM</em>

<em> </em><em> </em><em> </em><em> </em>⊿<em>GFE</em> ≅ ⊿<em>SRQ</em>

3. ▭<em>GFED</em> ≅ ▭<em>PNML</em>

∆<em>CBA</em> ≅ ∆<em>VUT</em>

∆<em>SRQ</em> ≅ ∆<em>KJH</em>

Step-by-step explanation:

Congruent means that they are the EXACT same shape and same size. You also have to know which angles are congruent to each other in correspondence.

I am joyous to assist you anytime.

6 0
3 years ago
Which would you use to compare 10 / 12 and 2 / 5 a common numerator or common denominator?
BartSMP [9]

We can compare 2 fractions by means of the cross multiplication method. In our case, we have

since 50 is greater than 24 then 10/12 is greater than 2/5:

\frac{10}{12}>\frac{2}{5}

3 0
1 year ago
Solve the following expression and state the operation used in each step. Show all of your work 5+9-3^2+2​
Pepsi [2]
Answer: 7


5+9-3^2+2
= 14-3^2+2
= 14-9+2
= 5+2
= 7
8 0
3 years ago
Determine if the two triangles are congruent.If they are state how you know
Finger [1]

Answer:

1. yes, both triangles sides are congruent

2. yes, they have congruent sides and they have a congruent angle

3. yes, congruent sides and angle

4. yes, 2 congruent angles

5. no, only one congruent angle not enough proof

6. yes, 2 congruent angles

7. no, only one congruent angle not enough proof

8. no, only one congruent side

6 0
2 years ago
Read 2 more answers
If arc XV = 68° and ∠YUV = 36°, what is the measure of arc VY? A) 120° B) 130° C) 140° D) 150°
dybincka [34]
The picture in the attached figure

we have
arc XV = 68°∠YUV = 36°
 we know that
The measure of the external angle is the semidifference of the arcs that it covers.
therefore
∠YUV =[arc VY-arc XV]/2

arc VY=[2*∠YUV]+arc XV----------> [2*36]+68---------> 140°

the answer is
the measure of arc VY is 140°

6 0
3 years ago
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