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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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7 d^2 +10 when d = 3
user100 [1]

Answer:

d = 3/7 = 0.429

d = 1

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Allison claims that the (triangle)ABQ is similar to (triangle)RPQ, given that AB and PR are parallel. Which of Allison's claims
S_A_V [24]
I draw the two triangles, see the picture attached.

As you can see, angle 1 and 2 are vertically opposite angles because they are formed by the same two crossing lines and they face each other.

Angles <span>ABQ and QPR, as well as angles BAQ and QRP, are alternate interior angles because they are formed by </span><span>two parallel lines crossed by a transversal, and they are inside the two lines on opposite sides of the transversal.</span>

Hence, Allison's correct claims are:
1 = 2 because they are vertically opposite angles. 
BAQ = QRP because they are alternate interior angles. 

Therefore Allison, in order to prove her claim, can use the AA similarity theorem: if two angles of a triangle are congruent to two angles of the other triangle, then the two triangles are similar. 

3 0
3 years ago
mr franks economy car can travel 420 miles on a 12 gallon tank of gas. determine how many miles he can travel on 8 gallons
S_A_V [24]

Answer:

280 miles

Step-by-step explanation:

Divide 420 by 12 to find the unit rate of miles per gallon.

You get 35 miles per gallon

To find how many miles he can travel for 8 gallons, multiply 35 by 8.

You get 280 miles.

3 0
3 years ago
What is the value of x
liubo4ka [24]

Answer:

x = 73°

Step-by-step explanation:

a whole circle = 360°

so x + 50° + 91° + 2x = 360°

x+ 2x = 360°- 91° - 50°

3x = 219°

x = 219° ÷ 3

x = 73°

<h2>HOPE THIS HELP YOU!!! ;))))</h2>

7 0
3 years ago
Read 2 more answers
Which functions graph is a translation of the graph of f(x)= 3x^2 + 4 seven units down?
asambeis [7]

Answer:

Option C

Step-by-step explanation:

Consider the function f ( x ) = 3x^2 + 4;

f ( x ) = 3x^2 + 4,\\\\4 = vertex ( y - intercept ),\\\\\\

Now if this graph were to be translated 7 units down, considering the function was f ( x ) = 3x^2, the new graph would be f ( x ) = 3x^2 - 7. The same concept is applied to the graph f ( x ) = 3x^2 + 4;

4 - 7 = - 3,\\f ( x ) = 3x^2 - 3\\\\Solution - Option C

* Note that a translation doesn't effect the rate with which the graph changes, it only effect's it's position on the coordinate plane

<em>Hope that helps!</em>

4 0
3 years ago
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