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scZoUnD [109]
3 years ago
14

Sorry about the glare?​

Mathematics
2 answers:
Pepsi [2]3 years ago
7 0

Answer:

Step-by-step explanation:

1) rational number

2) 5/4 = 1.25  rational number

3) √11  irrational number

4) - 12  rational number

5) (6*8) *5 = 6*(8*5)  Associative property of multiplication

6)  7*(9-5) = 7*9 - 7*5   Distributive property upon subtraction

7)  84 + 16 = 16 +84  Commutative property of  addition

8) (12 +5) *6 = 12*6 + 5*6 Distributive property upon addition

     Given number      additive inverse      multiplicative inverse

9)       - 7                            +7                            \frac{-1}{7}

10)     \frac{4}{9}                               -\frac{4}{9}                           \frac{9}{4}

11)  3.8                               -3.8                        \frac{1}{3.8}

12) √5                               -√5                         \frac{1}{\sqrt{5} }

Hint:

To find additive inverse, just reverse it's sign

a  additive inverse is -a

-a  additive inverse  is  a

Multiplicative inverse of a number 'x' is 1/x

Multiplicative inverse of a fraction a/b is b/a

nydimaria [60]3 years ago
5 0

Answer:

1) natural number or whole number

2) rational number

3) irrational number

4) integer

5) associative property under with respect to multiplication over addition

6) left distributive property with respect to multiplication over subtraction

7) communitative property under addition

8) right distributive property with respect to multiplication over addition

9) +7

10) -4/9

11) -3.8

12) root -5

Step-by-step explanation:

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Marysya12 [62]

Answer:

x+30=90

OR

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Step-by-step explanation:

Plug in 60 as x and it will fit each equation.

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Solve the equation. Check your solution.
VladimirAG [237]
-5x/6  + 1=7/18
lowest common multiple=18
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-15x=7-18
-15x=-11
x=-11/-15=11/15

The solution set is [11/15]

we check it out.
-5(11/15) /6    +  1 =7/18
(-55/15) / 6 +1=7/18
-55/90  +  1=7/18
(-55+90) /90=7/18
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3 years ago
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harkovskaia [24]
C(h,k) radius(r)
C(2,-3) r=4

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therefore, the answer is D
8 0
3 years ago
Read 2 more answers
What times what equals 30 but adds up to five
MissTica
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Step-by-step explanation:

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