Mathematics, 04.09.2019 03:30, madi1820
What is 221,000,000,000,000,000,000 expressed in scientific notation? a.2.21 × 1021 b.2.21e20 c.2.21e21 d.2.21e-20 e.2.21 × 10-21 f.2.21 × 10-20 g.2.21 × 1020 h.2.21e-21
Answers: 1
Mathematics, 21.06.2019 16:00, brandondees25
Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply
Answers: 2
Mathematics, 21.06.2019 19:00, DestyHilBan1183
What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2
Answers: 2
Mathematics, 22.06.2019 01:10, calmicaela12s
A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.
Answers: 3
What is 221,000,000,000,000,000,000 expressed in scientific notation? a.2.21 × 1021 b.2.21e20 c.2.2...
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