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sammy [17]
3 years ago
8

What is the solution to the system of equations represented by the two equations?

Mathematics
2 answers:
SpyIntel [72]3 years ago
6 0
There are 2 placeholder
it's easier if we had one
get rid of one with subsitutuion
y=-2x+7
y=1/3x
therefor
-2x+7=y=1/3x
-2x+7=1/3x
solve for x
multipl yboth sides by 3
-6x+21=x
add 6x to both sides
21=7x
divide both sides by 7
3=x
subsitute
y=1/3x
y=1/3(3)
y=3/3
y=1

the solution is x=3
y=1 or the point
(x,y)
(3,1)
Iteru [2.4K]3 years ago
5 0
If you would like to solve the following system of equations, you can do this like this:

y = - 2 * x + 7
y = 1/3 * x
____________
1/3 * x = - 2 * x + 7
1/3 * x + 2 * x = 7
1/3 * x + 6/3 * x = 7
7/3 * x = 7      /*3/7
x = 7 * 3 / 7
x = 3

y = 1/3 * x = 1/3 * 3 = 1

The correct result would be: x = 3 and y = 1.
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Step-by-step explanation:

5 0
3 years ago
Juanita is 13 years older than her cousin. The sum of their ages is no less than 103 years. Enter an inequality that can be used
Bond [772]
Please see below solution:

y = x + 13<span>
y + x ≥ 103
x + 13 + x ≥ 103
Inequality is:
2 x + 13 ≥ 103
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6 0
3 years ago
Integral of sqrt(36+x^2)dx
AnnZ [28]
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4 0
3 years ago
Read 2 more answers
Ellie drew ΔLMN, in which m∠LMN = 90°. She then drew ΔPQR, which was a dilation of ΔLMN by a scale factor of one half from the c
vaieri [72.5K]

Answer:

m∠P ≅ m∠L; this can be confirmed by translating point P to point L.

Step-by-step explanation:

Angle angle (AA) similarity postulate state that two triangles are similar if two of their corresponding angle is similar. The corresponding angle for each point of the triangles will be:

∠L=∠P

∠Q=∠M

∠N=∠R

Since the 2nd triangle made from dilation, it should maintain its orientation.

Option 1 is true, ∠P corresponds to ∠L. If you move/translate point P to point L, you can confirm it because their orientation is the same.

Option 2 is false, the triangle will be similar if ∠P=∠N but you can't confirm it with translation alone.

Option 3 and 4 definitely wrong because it speaking about length, not the angle.

6 0
3 years ago
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zavuch27 [327]

Answer:

Jonas would pay $30.76 dollars

Step-by-step explanation:

$25.00 + 7% + 15% = 30.7625

So we would have to round it so it would be $30.76.

7 0
3 years ago
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