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vekshin1
3 years ago
7

What is the slope of the line y =-3x + 7?

Mathematics
1 answer:
VashaNatasha [74]3 years ago
3 0

Answer:

7

Step-by-step explanation:

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What is the solution to the equation 6 x + 2 = 9 x minus 1?
lina2011 [118]

Answer:

x=1

Step-by-step explanation:

By substituting 1 into the equation for x, both sides will equal 8.

4 0
3 years ago
The scale factor of figure JKLMN to figure PQRST is 3:2. If KL = 27 cm and MN = 45 cm, what is the length of side ST?
MArishka [77]
MN: ST  is 3:2 so 45/ST=3/2
ST=30
5 0
3 years ago
Anyone know how to do this?! Help!
Paraphin [41]

Given:

Vertical angles.

One angle is 85°.

To find:

The measure of ∠1, ∠2 and ∠3.

Solution:

∠2 and 85° are vertically opposite angles and ∠1 and ∠3 are vertically opposite angles.

Vertical angle theorem:

If two lines are intersecting, then the vertically opposite angles are congruent.

⇒ m∠2 = 85°

Sum of the adjacent angles in a straight line = 180°

m∠2 + m∠3 = 180°

85° + m∠3 = 180°

Subtract 85° from both sides.

85° + m∠3 - 85° = 180° - 85°

m∠3 = 95°

By vertical angle theorem:

⇒ m∠1 = m∠3

⇒ m∠1 = 95°

Therefore m∠1 = 95°, m∠2 = 85° and m∠3 = 95°.

3 0
3 years ago
The graph of y=f(x) is given above. For what value of x is y=f(x-4) undefined?
cricket20 [7]
Answer: Choice D) 5

-----------------------------------------------------------
-----------------------------------------------------------

Notice the hole at (1,2). This means x = 1 and y = 2
y = f(x)
y = f(1) after we replace x with 1
y = 2

If we go from f(x) to f(x-4), then we shift the xy axis four units to the left. The curve will stay still though it will move relative to the xy axis. The xy axis moves four units to the left, so it appears that the curve moved 4 units to the right.

Add 4 to the x coordinate: 
x = 1 ---> x+4 = 1+4 = 5
The y coordinate stays the same. No vertical shifting is done.

So we go from (1,2) to (5,2)
(1,2) is a hole on y = f(x)
(5,2) is a hole on y = f(x-4)

This is why the answer is x = 5

8 0
3 years ago
Is the answer D or A
raketka [301]
Well an axis is like the whole line, so I would think its A, hope this helps.
7 0
3 years ago
Read 2 more answers
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