Answer:
40
Step-by-step explanation:
look at the picure for step by step explanation
Answer:
20 watches were made.
Step-by-step explanation:
385=15n+85
300=15n
20=n
Answer:
-1/5
Step-by-step explanation:
Answer:
$5 + 2.50k ≤ $20
6 kilometers
Step-by-step explanation:
Puedes viajar con $15 porque gastaste 5 en la tarifa base. 15 dividido por 2,5 es 6, por lo que puedes viajar 6 kilómetros con $20.
Answer:
1) (n+5)(n-1)
2) (n-4)(n+3)
3) (v-4)(v-1)
4) (p-4)(p+2)
5)(7x-10)(x+1)
6)(7n-1)(n-9)
Step-by-step explanation:
1) Factors of -5 that add up to 4
2) Factors of --12 that add up to -1
3) Factors of 4 that add up to -5
4) Factors of -5 that add up to 4
5) 7
-3x-10
7
+7x-10x-10
7x(x+1)-10(x+1)
(7x-10)(x+1)
6)7
-64n+9
7
-63n-n+9
7n(n-9)-(n-9)
(7n-1)(n-9)