Algebra

1.What is the sum of 5/6 + 2/3? (1 point)
MY ANSWER C.
a.1 1/3
b.1 1/2
c.1 2/3
d.1 3/4

2.Sue needs 2 1/3 cups of flour for a batch of cookies.How many complete batches can she make with 10 cups of flour? (1 point)
MY ANSWER D.

a.5 batches
b.3 batches
c.2 batches
d.4 batches

3.Which of these numbers is irrational? (1 point)
MY ANSWER C.

a.square root of 3
b.0.25
c.1/5
d.square roof of 9

4.Solve 1/6 / 2/6 (1 point)
MY ANSWER B.
a.2/12
b.1/6
c.1/2
d.6

5.Which expression is equivalent to 4x4x4x4x4x4x4x4? (1 point)
MY ANSWER D.
a.4x8
b.8 to the 4th power
c.8x8
d.4 to the 8th power

6.What is 2/3 x 1/2? Remember to simplify to lowest terms. (1 point)
MY ANSWER C.
a.1/6
b.1/4
c.1/3
d.1/2

7.Simplify the expression. (1 point)
(-3)4th power
MY ANSWER A.
a.81
b.-81
c.-12
d.12

8.What is (-7)5th power in expanded form? (1 point) (A is -7 times -7...so on)
MY ANSWER A.
a.-7x-7x-7x-7x-7x-7x-7
b.-7x5
c.(-7)x7x(-7)x7x-7
d.5x5x5x5x5x5x5

9.WorkPad: (3 points)

Note:Remember to show all the steps that you use to solve the problem.You can use the comments field to explain your work.Your teacher will review each step of your response to ensure you receive proper credit for your answer.

Solve: 2s³-4r² if r=1 and s=5.(I need help doing this)

Essay:
Note:Your teacher will grade your response to ensure you receive proper credit for your answer.

10.How would you convince a fellow student that the number 0.57 is a rational number? (3 points) (Help me please)

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  1. #1 Nope. 5/6 + 2/3 = 5/6 + 4/6 = 9/6
    #2 ok
    #3 Nope. 9 is a perfect square.
    #4 Nope. Suppose x = 1/6. You have 1x/2x
    #5 ok
    #6 ok
    #7 ok
    #8 Nope. A has too many -7's
    #9 What's the difficulty? Just use the values given:

    2s³-4r² if r=1 and s=5
    2*5³-4*1²
    2*125-4*1
    250-4
    246

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  2. #10 .57 = 57/100

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  3. What would #8 be? D?? 5*5*5*5*5?

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  4. Oddly enough, it is C

    It should technically be

    (-7)x(-7)x(-7)x(-7)x(-7)

    But if you change the sign on two of them, the answer is the same, because

    (-7)x(-7) = 7x7

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  5. Here are the answers for number 9 and 10:

    1. x = .1515....
    2. 100x=15.15.....
    3. 100-0.1515... equals 99(do not include the non-terminating numbers, just simplify it to 99)
    4. 99x=15(rounded to nearest number)
    5. x=15/99=5/33
    6. Check it with calculator by dividing 5 by 33

    Please put this in your own words :)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    10. I would explain to the student that 0.57 can be turned into a fraction that is not improper so it is considered rational.

    Please put this in your own words also :)

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  6. Steve is wrong everybody! The real answers are:

    1.B
    2.C
    3.A
    4.C
    5.D
    6.C
    7.C
    8.A

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  7. Helper is right but number 2 is D

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  8. And number 7 is A

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  9. Is helper really right?

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  10. Guys helped us 100%
    But 7is a and 2 is D

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  11. IS*

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  12. 1.B 1 1/3
    2.D 4 batches
    3.A 3
    4.C 1/2
    5.D 4 to the 8th power
    6.C 1/3
    7.A 81
    8.A -7x-7x-7x-7x-7
    you can trust me I took the test

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  13. i hate to admit it but anonnymous was right, 2 was d and 7 was a. I got 6/8 so far. But it makes me look less sus so ¯\_(ツ)_/¯

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