Answer:
-17.5
Step-by-step explanation:
-2.5 times 7
-17.5
Answer:
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Answer:
f(-2)=(-11)
Step-by-step explanation:
f(-2)=5(-5)+14
=(-25)+14
=(-11)
The mass of the rock in kg is 90,000 kg
Pythagora: 20^2=(4x)^2+(3x^2)
400=16x^2+9x^2
x^2=400/25
x^2=16
x=4
