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aliya0001 [1]
2 years ago
12

What is the vertex x^2+2x-3=0

Mathematics
1 answer:
kicyunya [14]2 years ago
3 0

Step-by-step explanation:

2 squared plus 2 =5

5+2x =7x

7x-3 = 4x

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Please help!!!!!!!!!!!!!!!!!!!!!!!
egoroff_w [7]

Answer:

about -0.09

Step-by-step explanation:

Plug in -0.09 in a calculator into the inverse tan function to get about -0.09 or what is said to be -0.089 radians or -5.14 degrees

Hope i helped, vote me brainly :)

3 0
3 years ago
The measure of the inscribed angle is equal to ___ the measure of its intercepted arc.
slamgirl [31]

Answer:

the measure of the inscribed angle is equal to the measure of its intercepted arc.

5 0
3 years ago
Read 2 more answers
Job natural peanut butter normally cost four dollars today it’s on sale for $3.60 what is the percentage of the discount
Rzqust [24]
We can make an equation that would help this. X will be the discount rate.
4x=3.60
Now, we need to solve the equation to find what X is.
Let's divide each side by 4.
x=.9
So, we know that the item was sold for 90% of what it was before, meaning that it has a 10% discount.
5 0
3 years ago
A car takes 4 hours to cover a certain distance, travelling at a speed of 120 km/h. How long will the car take if it travels at
muminat

Answer:

3/8 hours

Step-by-step explanation:

distance=speed/time=120/4=30km

time=distance/speed=30/80=3/8

4 0
3 years ago
Read 2 more answers
Triangle L M Q is cut by perpendicular bisector L N. Angle N L Q is 32 degrees and angle L M N is 58 degrees.
Serga [27]

Answer:

Yes

Step-by-step explanation:

ΔMNL ≅ ΔQNL  by ASA or AAS

by ASA

Proof:

∠ LNM = ∠LNQ    =90

LN = LN   {Common}

∠MLN = ∠QLN     {LN bisects ∠ L}

By AAS

∠Q + ∠QLN + ∠LNQ = 180  {Angle sum property of triangle}

∠Q + 32 + 90 = 180

∠Q  + 122 = 180

∠Q = 180 -122 =

∠Q = 58

∠Q = ∠M

∠MNL =∠QNL = 90

LN = LN {common side}

8 0
3 years ago
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