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k0ka [10]
3 years ago
5

Plz help If a x b = a/b - 1, then 7 x 28

Mathematics
1 answer:
Gwar [14]3 years ago
3 0

Answer:

196

Step-by-step explanation:

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What is x? -10 - x = -4
Musya8 [376]

Answer:

x = -6

Step-by-step explanation:

-10-x=-4 Add 10 to both sides...

-x=6 Divide both sides by -1...

x=-6

5 0
3 years ago
Solve this problem.
saveliy_v [14]

Answer:


Step-by-step explanation:

We are given that 1 paycheck is equal to $863.50 24 paychecks = 24×$863.50 = $20724 Monthly salary of Jennifer =...

4 0
3 years ago
Bonjour je suis en 3 ème pouvez vous m'aider s'il vous plaît une voiture met 2 h 30 pour faire 200 km 1. Calculer sa vitesse moy
Lemur [1.5K]

Répondre:

Explication étape par étape:

Vitesse = Distance / Temps

Distance donnée = 200 km

Durée = 2 h 30

Convertir le temps en heures

Depuis 60 minutes = 1h

2 heures 30 minutes = 2+ (30/60)

2h30 = 2 + 1/2 hors

2 heures 30 minutes = 2,5 heures

Vitesse en km / h = 200 km / 2,5 h

Vitesse en km / h = 80 km / h

D'où sa vitesse moyenne en km / h est de 80 km / h

a) Distance = Vitesse * Temps

Vitesse donnée = 80 km / h

Durée = 3h15

Temps = 3 15/60 h

Durée = 3,25 h

Distance = 80 * 3,25

Distance parcourue en 3h15 = 260 km

b) Distance = Vitesse * Temps

Vitesse donnée = 80 km / h

Durée = 42 minutes

Durée = 42/60 h

Distance = 80 * 42/60

Distance = 3360/60

Distance = 56 km

Distance parcourue en 42 minutes = 56 km

c) Distance = Vitesse * Temps

Vitesse donnée = 80 km / h

Durée = 3 h 36 minutes

Temps = 3 36/60 h

Durée = 3,6 h

Distance = 80 * 3,6

Distance = 288 km

Distance parcourue en 3 h 36 min = 288 km

d) Distance donnée = 540 km

Vitesse = 80 km / h

Temps = Distance / Vitesse

Heure = 540/80

Temps = 6,75 heures

Par conséquent, le temps nécessaire pour parcourir 540 km est de 6,75 heures

7 0
3 years ago
Simplify the expression 9x+y+6
Gennadij [26K]

Answer:

15+1x+1y

Step-by-step explanation:

you can add 9+6 so you do that and that equals 15

Then X and Y each represent 1 so

the answer would be 15+1x+1y

8 0
4 years ago
Which of the following is not a defination of accounting?
lorasvet [3.4K]

Answer

D. Verifying

Step-by-step explanation:


6 0
3 years ago
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