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xxTIMURxx [149]
3 years ago
8

Rita is spending more time at home to study and practice math. Her efforts are finally paying off. On her first assessment she s

cored 58 points, then she scores 63 and 68 on her next two assessments. If her scores continued to increase at the same rate, on which assessments will she be scoring above 85? Select all that apply. ​
Mathematics
1 answer:
Kipish [7]3 years ago
4 0

Answer:

7th

Step-by-step explanation:

63 - 58 = 5

68-63 = 5

She is adding 5 points each time

a1 = 58

d = 5

a2 = 63

a3 = 68

a4 = 58+5 = 73

a5 = 73+5 = 78

a6 = 78+5 = 83

a7 = 83+5 = 88

This is the first assessment greater then 85, so the 7th assessment

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Marysya12 [62]

The answer would be 24pi inches.

You can find this by using the formula for a circumference and plugging in the value of the radius.

C = 2pi*r

C = 2pi * 12

C = 24pi

4 0
3 years ago
Five less than twelve times a number is represented by:
Paraphin [41]

Option ( 1 )

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5 0
3 years ago
Solve x^2+2x+7=0 using the quadratic formula.
Aneli [31]

Answer:

x=-1\pm \sqrt{6}i

Step-by-step explanation:

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

x=\frac{-(2)\pm\sqrt{2^2-4(1)(7)}}{2(1)}

x=\frac{-2\pm\sqrt{4-28}}{2}

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x=\frac{-2\pm\sqrt{-1*24}}{2}

x=\frac{-2\pm\sqrt{-1}\sqrt{24}}{2}

x=\frac{-2\pm i\sqrt{4*6}}{2}

x=\frac{-2\pm i\sqrt{4}\sqrt{6}}{2}

x=\frac{-2\pm2i\sqrt{6}}{2}

x=-1\pm \sqrt{6}i

5 0
3 years ago
Vector question, please help​
77julia77 [94]

Answer:

yes.

Step-by-step explanation:

3 0
3 years ago
P={x:x is a natural number,x<9​
Elanso [62]

Answer:

x:x = 1 so it is a natural number

Step-by-step explanation:

it can be any negative number because: -x<9

and any number from 1 to 8

(x cannot be 0, because you cannot do 0/0 = 1)

5 0
3 years ago
Read 2 more answers
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