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2 years ago

Solve the equations shown above. Show your work by using the inverse operation.

Mathematics

2 answers:

lawyer [7]2 years ago

8 0

Answer:

x = 12

x = 7

Step-by-step explanation:

x - 2 = 10

The inverse of subtraction is addition so add 2 to 10

2 + 10 = 12

x = 12

x + 6 = 13

The inverse of addition is subtraction so subtract 6 to 13

6 - 13 = 7

x = 7

sergeinik [125]2 years ago

3 0

X=12 and x=7 hope this helps !

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3 years ago

A 12-sided die is rolled. The set of equally likely outcomes is {1,2,3,4,5,6,7,8,9,10,11,12}. Find the probability of rolling

vfiekz [6]

Answer:

Probability of rolling a number greater than 2 = 5/6

Step-by-step explanation:

Given:

Number;

1,2,3,4,5,6,7,8,9,10,11,12

Find:

Probability of rolling a number greater than 2

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3 years ago

1 Evaluate the expression. r3 - 2s if r = 5 and s = 4

user100 [1]

Answer:

117

Step-by-step explanation:

Given the expression

r³ - 2s ← substitute given values into the expression

= 5³ - 2(4)

= 125 - 8

= 117

6 0

3 years ago

Read 2 more answers

Find the degree measure of each angle in the triangle.

Alex777 [14]

Answer:

∠R = 56°
∠Q = 90°
∠S = 34°

Step-by-step explanation:

The given triangle is a right angled triangle.

So, the angles in the triangle are :

90°
(2x + 38)°
(5x - 11)°

Solving according to <u>angle sum property</u>,

Sum of all angles in a triangle is 180°

$\longrightarrow$ 90° + (2x + 38)° + (5x - 11)° = 180°

$\longrightarrow$ 117° + 7x = 180°

$\longrightarrow$ 7x = 180° - 117°

$\longrightarrow$ 7x = 63°

$\longrightarrow$ x = 9

Angles =

$\longrightarrow$ 2(9) + 38

$\longrightarrow$ 56°

$\longrightarrow$ 5(9) - 11

$\longrightarrow$ 34°

∠R = 56°
∠Q = 90°
∠S = 34°

The angles are 56°, 90° and 34°.

4 0

3 years ago

Solve the equations shown above. Show your work by using the inverse operation.​

Solve the equations shown above. Show your work by using the inverse operation.