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zubka84 [21]
3 years ago
9

Vẽ bảng biến thiên và tìm các khoảng đơn điệu của các hàm số sau: y =  x3 + 3x2  2

Mathematics
1 answer:
Volgvan3 years ago
4 0

Answer:

manda a foto da atividade

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-2n + 9 + 2n = 9 ? I need help
juin [17]

Answer:0n=0

Step-by-step explanation:

-2n+9+2n=9

-9 -9

———————

-2n+2n=0

-2n -2

———————

0n=0

5 0
3 years ago
Read 2 more answers
Given: LN⊥KM,KL≅ML Prove: ΔKLN≅ΔMLN
miss Akunina [59]

Answer:

The Proof is given below.

Step-by-step explanation:

Given:

LN⊥KM,

KL≅ML

To Prove:

ΔKLN≅ΔMLN

Proof:

In  Δ KLN and Δ MLN

KL ≅ ML     ....……….{Given i.e Hypotenuse }

LN ≅ LN     …………..{Reflexive Property}

∠ LNK ≅ ∠ LNM  ……….{ LN ⊥ KM i.e Measure of each angle is 90° given}

Δ KLN ≅ Δ MLN     ….{By Hypotenuse Leg Theorem} ....Proved

6 0
3 years ago
Major league baseball team plays 162 game schedule so far graces favorite team won 11 games and lost 7 games if graces team wins
Vinil7 [7]

Answer:

Graces expect her Favorite team can win 99 games.

Step-by-step explanation:

Total games needs to be played  = 162

So far graces favorite team won 11 games and lost 7 games

Games Won = 11

Games lost = 7

Total games played till now  = Games Won + Games Lost = 11 +7 =18

Now we will find the winning percentage of the team.

Winning percentage can be calculated by dividing Games won with total games played till now and the multiplied with 100

Winning Percentage = \frac{11}{18}\times100=61.11\%

We need to find Total games team can win at same rate.

Games team can win can be calculated by multiplying Total games needs to be played this season with Winning Percentage.

Games team can win = \frac{61.11}{100}\times 162 = 98.99 \approx 99

Hence Graces can expect her favorite can win approximately 99 games.

8 0
3 years ago
What is the height of an equilateral triangle with side lengths of 15? round to tenths?
Vinil7 [7]
If this is an equilateral triangle, we need half of it to find the height which is a leg of a right triangle with a hypotenuse of 15.  That means that the base of this half triangle is 7.5.  Use Pythagorean's Theorem to fine the height.  x^{2} =(15) ^{2} -(7.5) ^{2}.  x = 12.99 or 13
8 0
3 years ago
Steve drove for 8 1/2 hours at 72 miles per hour. How much distance did he travel?
Pie

Answer:

He traveled 612 miles in total.

Step-by-step explanation:

You simply multiply the mph he was going to how long he traveled for. This gives us 72x8.5 equaling 612.

7 0
3 years ago
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