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2 years ago

A) Inverse Property of Multiplication

Mathematics

2 answers:

kumpel [21]2 years ago

8 0

Hey there!

The answer is B, the commutative property of multiplication.

The commutative property of multiplication states that you get the same value in an expression, not depending on the order. See here, you have -3/9 and 2, and even though they're in different orders, when you multiply them, they're equal.

Notice how it doesn't work in other operations such as subtraction and division (it works in addition):

10/5 ≠ 5/10
4-10 ≠ 10-4

However,

5 + 10 = 10 + 5

Hope this helps!

Salsk061 [2.6K]2 years ago

7 0

B) Commutative property of Multiplication

Hope this helps!

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3 plus the quotient of a number and 2 is 7. What is the number?

Sidana [21]

3 + x/2 = 7
x = (7-3)*2 = 8 = the number

8 0

2 years ago

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Please help me fast x over 7 minus 12 equals negative 2

andrey2020 [161]

Answer:

x= 70

Step-by-step explanation:

The equation is: x/7-12= -2

First, do inverse operations. Do = +12 on each side to get rid of 12

Now: x/7=10

Multiply 7 on each side

Now: x=70

Hope this helped!!! :D

5 0

3 years ago

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In the figure below, BD and AC are diameters of circle P.

elena-14-01-66 [18.8K]

Answer:

$arc\ DC=30^o$

Step-by-step explanation:

The picture of the question in the attached figure

The point P is the center of the circle (the drawing is not a scale )

step 1

Find the measure of angle ∠CPD

we know that

$m\angle CPD+150^o=180^o$ ---> by supplementary angles (form a linear pair)

$m\angle CPD=180^o-150^o=30^o$

step 2

Find the measure of arc DC

we know that

Central angle is the angle that has its vertex in the center of the circumference and the sides are radii of it

$arc\ DC=m\angle CPD$ ----> by central angle

therefore

$arc\ DC=30^o$

5 0

2 years ago

I dont need answers just an explaination how to solve these will give brailiest

ohaa [14]

Step-by-step explanation:

first you have to take all similar variable on the same side of the equation and the constants on the other side then solve the question .

example : -12x + 9 = -15x

-12x +15x = -9

3 x = -3

X = -3/3= -1

x = -1

like this you can solve all the other equation ..

Hope this will be helpful to you ..

plz mark my answer as brainlist if you find it useful..

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3 years ago

Read 2 more answers

The first term of geometric sequence is 7 and the common ratio is -2. Find the 9th term.

kobusy [5.1K]

$a_{1}$ = 7.

Ratio means multiply/divide.
To get the next number, multiply number by common ratio.
To get a previous number, divide by common ratio.

Since we want the next number...
2nd term: 7 x -2 = -14
3rd term: -14 x -2 = 28
4th term: 28 x -2 = -56
5th term: -56 x -2 = 112

Keep going until 9th term!

5 0

3 years ago