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Olegator [25]
4 years ago
14

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

Mathematics
1 answer:
Nataly_w [17]4 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
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Hey, I don´t understand the graphing part of inequalities.
stiks02 [169]

Answer:

See explaination

Step-by-step explanation:

While graphing inequalities, think of the inequality sign as an equal sign.

So, y=mx+b.

Say the inequality was y>3x+7, I would think fo the > as an equal sign.

So, in your head, "write" it like this: y=3x+7. Hope this helps.

7 0
4 years ago
The radius of the base of a metallic rod is 2 centimeters, and its height is 15 centimeters. What is the volume of this cylinder
snow_tiger [21]

Answer:

A) 60π cm³

Step-by-step explanation:

Given:

The<u> radius </u>of the base of a metallic rod is<u> 2 centimetres</u>, and its<u> height is 15 centimetres.</u>

Question asked:

What is the<u> volume </u>of this cylinder?

<u>Solution</u>:

As we know''

Volume\ of\ cylinder=\pi r^{2} h

                                =\pi \times2\times2\times15\\ \\ =60\pi

Therefore, the volume of this cylinder will be 60\pi\ cm^{3}

3 0
3 years ago
Read 2 more answers
In the figure CD is the perpendicular bisector of AB . If the length of AC is 2x and the length of BC is 3x - 5 . The value of x
Dennis_Churaev [7]

Answer

Find out the value of x .

To proof

SAS congurence property

In this property two sides and one angle of the two triangles are equal.

in the Δ ADC and ΔBDC

(1) CD = CD (common side of both the triangle)

(2) ∠CDA = ∠ CDB = 90 °

( ∠CDA +∠ CDB = 180 ° (Linear pair)

as given in the diagram

∠CDA  = 90°

∠ CDB = 180 ° - 90°

∠ CDB = 90°)

(3) AD = DB (as shown in the diagram)

Δ ADC ≅ ΔBDC

by using the SAS congurence property .

AC = BC

(Corresponding sides of the congurent triangle)

As given

the length of AC is 2x and the length of BC is 3x - 5 .

2x = 3x - 5

3x -2x =5

x = 5

The value of x is 5 .

Hence proved


7 0
3 years ago
Read 2 more answers
Aleta deposited $450 into a savings account earning 3.75% simplest interest . How much interest will she ear in six years ? how
11Alexandr11 [23.1K]
Hope u can understand.

8 0
3 years ago
Read 2 more answers
Help me write an explanation
Zigmanuir [339]

Answer:

9.375 grams

Step-by-step explanation:

30 days = 3(10 days)

m = 75·0.5³ = 9.375 grams

4 0
3 years ago
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