2 years ago

Help me plsssssssssssssssss

Mathematics

1 answer:

velikii [3]2 years ago

8 0

Answer:

h=12

Step-by-step explanation:

by cross multiplying we get 1h=12 or h=12 so h=12

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Which equation represents “fifteen more than r is sixty-one?”

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r + 15 = 61

Step-by-step explanation:

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If the discount rate is 20%, how much would the discount be on a pair of boots that cost $75?

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Solve the equation or formula for the variable specified 8qr+4t=7u for q ?

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Answer:

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Step-by-step explanation:

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A sequence is constructed according to the following rule: its first term is 7, and each next term is one more than the sum of t

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Answer:

Step-by-step explanation:

According to the described rule, we have

$a_1=7\\ \\a_1^2=7^2=49\Rightarrow a_2=4+9+1=14\\ \\a_2^2=14^2=196\Rightarrow a_3=1+9+6+1=17\\ \\a_3^2=17^2=289\Rightarrow a_4=2+8+9+1=20\\ \\a_4^2=20^2=400\Rightarrow a_5=4+0+0+1=5\\ \\a_5^2=5^2=25\Rightarrow a_6=2+5+1=8\\ \\a_6^2=8^2=64\Rightarrow a_7=6+4+1=11\\ \\a_7^2=11^2=121\Rightarrow a_8=1+2+1+1=5\\ \\\text{and so on...}$

We can see the pattern

$a_5=a_8=a_{11}=a_{14}=...=5\\ \\a_6=a_9=a_{12}=a_{15}=...=8\\ \\a_7=a_{10}=a_{13}=a_{16}=...=11$

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Now,

$a_{2018}=a_{3\cdot 673-1}=5$

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