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3 years ago

I need help with Multiply fractions

Mathematics

1 answer:

erastova [34]3 years ago

6 0

Answer:

8/21

Step-by-step explanation:

You multiply 3 by 7 then 4 by 2

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If DE≅EF, CD = v + 45, and CF = 4v, what is the value of v?

irinina [24]

Answer:

<h2>since DE≅EF</h2>

CD=CF (cpct)

$v + 45 = 4v \\ 4v - v = 45 \\ 3v = 45 \\ v = \frac{45}{3} \\ v = 15$

<h2>hope it helps you<3</h2>

3 0

3 years ago

7. Solve the equation. 6(x - 2) = 36 0-8 04 04 08 What one

rusak2 [61]

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define

6(x - 2) = 36

Step 2: Solve for x

Divide 6 on both sides: x - 2 = 6
Add 2 on both sides: x = 8

6 0

3 years ago

SOMEONE HELP MEEE PLEASEEE !!

alisha [4.7K]

D pls, very simple :)

7 0

3 years ago

What is the simplified expression for the expression below?

kotykmax [81]

Answer:

Step-by-step explanation:

- 1/5 of 5x is -1 or just -x and -1/5 of 20 is -4. Then the other one is-1/4 of 4 is -x and -1/4 of -28 is 7. Now combine like terms so -x + -x is -2x and 7+ -4 or 7-4 is 3

8 0

3 years ago

Evaluate the given integral by changing to polar coordinates. sin(x2 y2) dA R , where R is the region in the first quadrant betw

alexira [117]

Answer:

I = 1.47001

Step-by-step explanation:

we have the function

$f(x,y)=sin(x^2y^2)\\$

In polar coordinates we have

$x=rcos\theta\\y=rsin\theta$

and dA is given by

$dA=rdrd\theta$

Hence, the integral that we have to solve is

$I=\int \limt_2^4 \int \limit_0^{\pi /2}sin(r^4cos^2\theta sin^2\theta)rdrd\theta$

This integral can be solved in a convenient program of your choice (it is very difficult to solve in an analytical way, I use Wolfram Alpha on line)

I = 1.47001

Hope this helps!!!

7 0

3 years ago