Graph a system of two equations that has a single solution of -2,-3
Answers
x = -2
y = -3 .
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An object is sold for $2 but is on sale for 40% off. What is the final price?
I bet no one on here can hit my ovh
Charlie solved an equation, as shown below:Step 1: 5x = 30 Step 2: x = 30 – 5 Step 3: x = 25 Part A: Is Charlie's solution correct or incorrect? If the solution is incorrect, explain why it is incorrect and show the correct steps to solve the equation. (6 points) Part B: How many solutions will this equation have? (4 points)
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2500 times 4%=2500 times 0.04=100
100 times how many years=200
divide by 100 both sides
how many years=2
2 years
AB = GI
BC = HI
DE = HI
m∠B = m∠D = m∠I
Which triangles must be congruent?
ΔABC and ΔDEF only
ΔGHI and ΔABC only
none of the triangles
ΔABC, ΔDEF, and ΔGHI
Answers
I think all triangles are congruent. 2 sides and 1 angle of each triangle is has the same measure. Making these triangles congruent in SAS theorem.
Answer: ΔABC, ΔDEF, and ΔGHI
Step-by-step explanation:
Given: In ΔABC, ΔDEF, and ΔGHI:
AB = DF AB = GI
BC = HI DE = HI
m∠B = m∠D = m∠I
In ΔABC and ΔGHI
AB = GI [given]
BC = HI [given]
m∠B = m∠I [given]
[ here m∠B and m∠I are the included angle of ΔABC and ΔGHI]
∴ ΔABC ≅ ΔGHI [by SAS congruence postulate]
In ΔABC and ΔDEF
AB = DF [given]
BC = DE [ Since BC = HI and DE = HI so by transitive property BC = DE]
m∠B = m∠D [given]
[ here m∠B and m∠D are the included angle of ΔABC and ΔDEF]
∴ ΔABC ≅ ΔDEF [by SAS congruence postulate]
Now, since ΔABC ≅ ΔGHI and ΔABC ≅ ΔDEF
⇒ ΔGHI ≅ ΔDEF [transitive property]
Hence, all the given triangles ΔABC, ΔDEF, and ΔGHI are con gruent to each other.
Answers
1.7x + 1.3y = 37.9
5.6x + 5.4y = 147.2
solving for x and y, we get
multiplying eqn 1 by 5.6 and equation 2 by 1.7 we get
9.52x + 7.28y = 212.24
9.52x + 9.18y = 250.24
subsrtracting eqns we get
7.28y - 9.18y = 212.24 - 250.24
1.9y = 38
y = 20
x = (37.9 -1.3*20)/1.7
= 7
Answers
Answer:
D. Option 1
Step-by-step explanation:
Let's evaluate each option separately:
Option 1 will cost $120.
Option 2:
Total cost = Down payment + Weekly payment
=
=
Therefore, option 2 will cost $155 which is worse compared to option 1.
Option 3:
Total cost = Down payment + Monthly payment
=
=
Therefore, option 3 will cost $130 which is worse compared to option 1.
Option 4:
Total cost = Down payment + Monthly payment
=
=
Therefore, option 4 will cost $135 which is worse compared to option 1.
So the best option is option 1.
So answer is D. Option 1
option 1) is $120
option 2) is $155
option 3 is $130
option 4) is 135
SO all and all the first payment method is the cheapest option.
Answers
x miles ... 6 minutes
We would like to know how many miles did he drive in 6 minutes (x miles). You can calculate this in the following way:
20 * 6 = 24 * x
120 = 24 * x /24
x = 120 / 24
x = 5 (miles)
The result is 5 miles.
Answers
Answer:
6.8 units
Step-by-step explanation: