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Olegator [25]
3 years ago
14

What is the solution of the system? y=x^2-4x+5 Y=-2+8

Mathematics
1 answer:
Nataly_w [17]3 years ago
5 0
Yea something is not right.if y=6 then you cant solve the system because you end up with x^2-4x-1
You might be interested in
I need help please and thank you
Ira Lisetskai [31]

This is a false statement.

When you are solving using square roots, you need to be aware that answers can be both positive and negative. When we solve this, you see there are two possible answers.

x^2 - 9 = 0

x^2 = 9

x = +/- 3

While 3 is an answer, so is -3. If we square either of those numbers, we get 9, which will satisfy the equation.

5 0
3 years ago
In circle P with mNRQ = 60°, find the angle measure of minor arc NQ
Galina-37 [17]

Given:

m∠NRQ = 60°

To find:

The angle measure of minor arc NQ

Solution:

The inscribed angle is half of the intercepted arc.

$\Rightarrow m\angle NRQ =\frac{1}{2} m(ar NQ)

Multiply by 2 on both sides.

$\Rightarrow 2 \times m\angle NRQ =2 \times \frac{1}{2} m(ar NQ)

$\Rightarrow 2 \ m\angle NRQ =m(ar NQ)

Substitute m∠NRQ = 60°.

$\Rightarrow 2\times 60^\circ=m(ar NQ)

$\Rightarrow 120^\circ=m(ar NQ)

The measure of minor arc NQ is 120°.

8 0
3 years ago
In one week there are 10,080 minutes. What is this number in scientific notation?​
zalisa [80]

Answer:

1.0080 x 10^4

Step-by-step explanation:

in scientific notation the number has to be less then 10

10080 / 10000 = 1.0080

1.0080 x 10^4

5 0
3 years ago
A shopkeeper had 410 tangerines. He put some of them into 15 cartons containing
vladimir1956 [14]

Answer:

15*14 + 14*x = 410

x = 200/14 = 14 4/14 <===== 14*14 + 4 = 200

Step-by-step explanation:

8 0
3 years ago
Two airplanes leave an airport at the same time. One airplane travels at 400 km/h
Neko [114]

Answer:

912.414

Step-by-step explanation:

The angle

θ

between the directions of motion of planes

θ

=

320

−

200

=

120

∘

The distance

a

traveled by first plane flying at a speed of

150

km/hr

in

3

hrs

a

=

150

⋅

3

=

450

k

m

Similarly, the distance

b

traveled by second plane flying at a speed of

200

km/hr

in

3

hrs

b=

200x3=

600 km

Now, the distance between the planes after 3

hrs will be equal to the side of a triangle opposite to the angle θ=120∘

included by the sides

a

=

450

& b=

600

.

Now, using Cosine rule in the concerned triangle, the distance between the plane after

3

hours is given as

4 0
2 years ago
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