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3 years ago

How to multiply and divide

Mathematics

1 answer:

Vikentia [17]3 years ago

8 0

Answer:

Multiplication...

Multiplication is just like adding a number to itself multiple times

For example: 3x3 is the same as 3+3+3

Division...

Division is basically splitting up a number between amother lower number, (it might be pretty difficult if you don’t know how to multiply though...)

Start by Rephrasing/re-ordering the equation (9/3 looks like 3*[?] =9)

1) Figure out what Factors equal 9 (by looking at a multiplication table or by adding up like described earlier)

2) You have your answer

(this took way too long to write and you’re probably an idiot if you’re actually in middle school...smh) I can write a different answer if you meant long division, or something else

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Find the perimeter of the object Help step by step please!

aliina [53]

Answer:

29.42 units

Step-by-step explanation:

1) Find the perimeter around the semi-circle

To do this, we find the circumference of the circle using the given diameter:

$C=\pi d$ where d is the diameter

Plug in 6 as the diameter

$C=\pi (6)\\C=6\pi$

Divide the circumference by 2

$\frac{6\pi }{2} \\= 3\pi$

Therefore, the perimeter around the semi-circle is 3π units.

2) Find the perimeter around the rest of the shape

Although it's impossible to determine the lengths of the varied sides on the right side of the shape, we know that all of those vertical sides facing the right add up to 6. We also know that all of those horizontal sides facing up add up to 7. Please refer to the attached images.

Therefore, we add the following:

7+6+7

= 20

Therefore, the perimeter around that area of the shape is 20 units.

3) Add the perimeter around the semi-circle and the perimeter around the rest of the shape

$20+3\pi \\= 20+9.42\\= 29.42$

Therefore, the perimeter of the shape is approximately 29.42 units.

I hope this helps!

3 0

3 years ago

30 Points!!!!

natta225 [31]

Answer:

1st one is >

2nd one is <

8 0

3 years ago

Pls help will give brainly (again)

Elan Coil [88]

Answer:

Step-by-step explanation:

First, simplify the exponents:

2*(3^6*3*-5)

2*((3*3*3*3*3*3)*(1/3*3*3*3*3))

2*(729*0.00411522633)

Then solve from there:

2*2.99999999457

5.99999998914

Since there is only whole numbers and a fraction present, im assuming you have to round:

5.99999998914

6 is your answer

Hope this helps!

7 0

2 years ago

(+6) + (+9) (+5) + (+4)

sammy [17]

Answer:

1st:15

2nd:9

Step-by-step explanation:

6+9=15

5+4=9

7 0

3 years ago

At t=0, an object of mass m is at rest at x=0 on a horizontal, frictionless surface. A horizontal force Fx=F0 (1−t/T), which dec

djverab [1.8K]

Answer: v = Fo(1-T)/m

Step-by-step explanation: shown in the attachment

8 0

3 years ago