06/22/23

Find the area under the curve
Use five rectangles to approximate the area under the curve f(x)=0.4x^3-2.1x^2+20 from x=1 to x=7.The answer is 102.89. I don't understand how my textbook gets this answer, I either get 120.6 or... more
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06/19/23

a solution of 100g of salt in 800ml of water has the same concentration as a solution of 150g of salt in 1500ml of water
is it true or false
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03/28/23

The two top waves are played at the same time, the bottom image shows the resulting wave pattern.
What does this bottom wave represent? (choose all that apply) Destructive Interference Constructive Interference Doppler Effect Beats Timbre
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01/13/23

Which statement best explains why Ben uses the same width to draw arcs from A and B that intersect at S?
BQ = BS when ∠AQS ≅ ∠BQS. AQ = AS when ∠AQS ≅ ∠BQS. ∠AQS ≅ ∠BQS when AS = BS and AQ = BQ. ∠AQS ≅ ∠BQS when AS = BQ and BS = AQ.
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10/02/21

Calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above the Earth's surface if its mass is 1250 kg .
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