Which expression represents the sum of 8 and twice a number?
a.) 8+n8+nb.) 8+2n8+2nc.) 8×2n8×...
Mathematics, 04.11.2019 14:31 ilopez24661
Which expression represents the sum of 8 and twice a number?
a.) 8+n8+nb.) 8+2n8+2nc.) 8×2n8×2nd.) 2×(8+n)
Answers: 3
Mathematics, 21.06.2019 23:00
The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?
Answers: 1
Mathematics, 21.06.2019 23:30
Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)
Answers: 1
Mathematics, 22.06.2019 02:20
Find the probability that -0.3203 < = z < = -0.0287 find the probability that -0.5156 < = z < = 1.4215 find the probability that 0.1269 < = z < = 0.6772
Answers: 2
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