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Schach [20]
2 years ago
5

PLS HELP URGENT ILL GIVE U BRAINLIST

Mathematics
1 answer:
Gelneren [198K]2 years ago
4 0

Answer:

B: c-b = <9. -3>

Step-by-step explanation:

c-b  = <8, 4> - <-1, 7>

      = <8-(-1) ; 4-7> (we substract each coordinates together)

      =<9, -3>

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Which of the expressions can you use to find the number of 3-digit passwords you can make using the digits 5, 6, and 7, if you d
allochka39001 [22]
Hello,

Codes are :
5_6_7, 5_7_6

6_5_7,6_7_5

7_5_6,7_6_5

Choising the first (3 possibilities)
next choising the second (2 possibilities)
chosing the last  (1 possibility)

So 3*2*1=6

Answer A

5 0
3 years ago
Um avião levanta voo na cidade de Vitória - ES com destino a São Paulo - SP. Durante os dez primeiros minutos de voo, sua veloci
denis-greek [22]

Responda:

GRÁFICO DE TEMPO DE VELOCIDADE

Explicação passo a passo:

Para a pergunta, encontre o gráfico de velocidade-tempo no anexo.

O gráfico que melhor representa a velocidade desse avião em função do tempo é o gráfico velocidade-tempo. O gráfico de velocidade e tempo é um gráfico que representa o movimento de um objeto esquematicamente usando linhas. Ele é plotado em um plano de coordenadas com o eixo xe o eixo y.

A função de velocidade é posicionada no eixo y, enquanto o tempo gasto ao longo da viagem está no eixo x.

Pelo anexo, pode-se ver que o avião acelera em OA, possui velocidade constante em AB e CD e tem aceleração (desaceleração) negativa em BC e DE.

4 0
3 years ago
Solve the right triangle ABC with right angle C if B = 30° and c = 10.
mart [117]

Step-by-step explanation:

Answer:


Last choice is correct.


Step-by-step explanation:


Given that ∠C=90°, ∠B=30°, c=10


We know that sum of all angles in a triangle is 180 degree.


∠A+∠B+∠C=180°


∠A+∠30°+∠90°=180°


∠A+∠120°=180°


∠A=60°


Now we can use sin or cos whichever applicable to find missing sides


2b=10


b=5


Similarly


a=8.6602


Hence last choice is correct.

6 0
3 years ago
you have a piece of yarn that is 12 1/2 ft long. You need to cut it into strips that are 1 1/4 ft long. how many strips will you
zysi [14]

Answer:

A.

Step-by-step explanation:

12.5/10=1.25.

12.5/8=1.56

12.5/12=1.04

12.5/6=2.08

it's important to know what 1/2 is, 1/3 is, 1/4 is and 1/5 it's also important to know things like 2/2, 2/3, 3/3, 2/4, 3/4, 4/4, 2/5, 3/5, 4/5, and 5/5. You don't need this until 8th grade though. But get on it if you can. Ask your parents or teacher.

5 0
2 years ago
Find the work done by a force that is given by the vector (2,6) in moving an object in a straight line from point
bekas [8.4K]

Answer:

B. 54 Joules

Step-by-step explanation:

6 0
3 years ago
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