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Greeley [361]
3 years ago
6

Find the variable: n/14=3

Mathematics
1 answer:
Lyrx [107]3 years ago
8 0

Answer:

n=42

Step-by-step explanation:

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Bonjour, pouvez vous m'aidez svp ^^ Ci-contre, [MH] est une hauteur du triangle MAT. Éva affirme que le périmètre du triangle MA
Anna35 [415]

Cette question est incomplète.

Question complète

Exercer:

En face, [MH] est une hauteur du triangle MAT.

a.Calculer MH, puis HT.

b. Eva dit: "".

A-t-elle raison? Expliquer.

MA = 7,8cm

MT = 7,5cm

AH = 3cm

Answer:

La réponse d'Eva est incorrecte

Step-by-step explanation:

Nous résolvons les questions abive en utilisant le théorème de Pythagore

c² = a² + b²

a) Application de la formule ci-dessus:

Étape 1

Trouver MH

MA² = MH² + HA²

7,8² = MH² + 3²

MH² = 60,84-9

MH² = 51,84

MH = √51,84

MH = 7,2 cm

Étape 2

Résoudre pour HT

MT² = MH² + HT²

7,5² = 7,2² + HT²

HT² = 56,25 à 51,84

HT = √4,41

HT = 2,1 cm

b) La formule pour le périmètre du triangle MAT =

MA + MT + AH + HT

= 7,8 + 7,5 + 2,1 + 3 = 20,4 cm

Le périmètre du triangle MAT est de 20,4 cm

Donc, la réponse d'Eva est incorrecte

8 0
3 years ago
In order to qualify for the tournament, basketball teams have to win at least 70% of their games. This season, the Bears lost 6
stealth61 [152]
The bears won 9 games.
15-6=9
Hope this helped
3 0
3 years ago
1- 4/5 divided by 2/3
Softa [21]
I hope this helps you

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3 years ago
How do you solve this 8*[[(7+4)*2]-[(11-7)*4]]? I am trying to help my son with his homework and sad to say I am 46 and I can't
elena55 [62]

Answer: 160

Step-by-step explanation:

Don't know how to

7 0
3 years ago
Solve this proportion: 8/x = 2/5. x =
Taya2010 [7]
8/x= 2/5

8•5= 2•x

40=2x

40/2= x

20= x
3 0
3 years ago
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