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4vir4ik [10]
4 years ago
13

What’s the Multiplicative inverse

Mathematics
1 answer:
mylen [45]4 years ago
6 0
The multiplicative inverse of -1/3 is -3.

The product of a number and it’s multiplicative inverse equals 1.

So... -1/3 x -3/1 = 1

A negative times a negative equals a positive.


I hope this helped!
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Membership at geno’s gym costs 30 a month plus 150 sign up fee. Membership at Rita’s gym cost 25 a month plus 200 sign up fee
Alexxandr [17]

Answer:


Step-by-step explanation:

A - at the 10th month the membership cost is the same

B - I would choose Rita's gym because after 12 months the cost is $10 less.

5 0
3 years ago
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Write the equation of a circle with endpoints of the diameter are (-8, 1) and (4,5)
STatiana [176]

centre of the circle =Midpoint of the diameter

centre of the circle=

( \frac{ - 8 + 4}{2}  , \frac{5 + 1}{2} ) = ( - 2 ,3)

radius of the circle=

\sqrt{(4 - ( - 2) ^{2} + (5 - 3 )^{2} }    =  \sqrt{36 + 4}  =  \sqrt{40 } = 2 \sqrt{10}

equation of the circle: (x+2)²+(y-3)² = 40

ie.. x²+4x+4+ y²- 6y+ 9=40

ie... x²+y²+4x-6y-27=0

this is the answer......

4 0
3 years ago
Find the perimeter of the square. 5(x+2). x+2(x+8)
erma4kov [3.2K]

Answer:

The length of each of the 4 sides of a square is the same.  Then

5x - 8 = 3x

2x = 8

x = 4

5(4) - 8 = 12

3(4) = 12

The length of each side is

L = 4.

The perimeter is 4 times the length.

P = 4L = 4(4) = 16

Step-by-step explanation:

8 0
3 years ago
Write the point-slope form of the equation for a line that passes through (6,-1) with a slope of 2​
Vika [28.1K]

Answer: y + 1 = 2(x-6)

Step-by-step explanation:

Point Slope Form is y-y₁=m(x-x₁), and all you have to so is substitute in the values that you were given. So, the slope is 2, so you substitute that value in for m. Then, you substitute 6 in for x₁ (because 6 is the x value of the coordinate you were given) and you substitute -1 for y₁ (and it becomes positive because two negatives make a positive)

Hope this was helpful! Please feel free to ask me any questions!

3 0
3 years ago
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VERY QUICK HELP!!!! A toy pyramid has the dimensions shown below. The base of the pyramid is an equilateral triangle. What is th
Elanso [62]

Answer: 102cm²

Step-by-step explanation:

Area of base = 6 × 7 ÷ 2 = 21

Area of lateral face = 6 × 9 ÷ 2 = 27

Since all of the sides of the base are equal, we can multiply the area of 1 lateral face by 3 to get the area of all the lateral faces.

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Now we add up the area of the base and the lateral faces.

21 + 81 = 102cm²

I am not a professional, simply using prior knowledge!

Note- It would mean the world to me if you could mark me brainliest!

4 0
3 years ago
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