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3 years ago

Find the missing side length.

Mathematics

1 answer:

inna [77]3 years ago

5 0

Your answer is 8yd :)

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Pls help with this math

Salsk061 [2.6K]

Answer:

44.58

Step-by-step explanation:

$v=\frac{4}{3}\pi r^{3}\\ given r= 2.2\\\pi =3.14\\hence:v=\frac{4}{3} (3.14)(2.2)^3=44.58$

5 0

2 years ago

How many solutions does the equation sin(4x)= 3/4?

MAVERICK [17]

$sin(4x)= \dfrac{3}{4}$

$4x=sin^-^1( \dfrac{3}{4}), \pi -sin^-^1( \dfrac{3}{4})$

<span>Since sin is a periodic function, add the periodicity.
</span>
$4x=2\pi n+sin^-^1 ( \dfrac{3}{4} ) ,nEZ 

$

$4x=2\pi n-sin^-^1 ( \dfrac{3}{4} ) ,nEZ$

$x= \dfrac{2\pi n+sin^-^1 ( \dfrac{3}{4} ) }{4}, nEZ$

$x= \dfrac{2\pi n+ \pi -sin^-^1 ( \dfrac{3}{4} ) }{4}, nEZ$

8 0

3 years ago

Determine the value for x in the picture below.<br> Please help me

Alex787 [66]

Given:

The figure of a right angle triangle.

A line segment intersect the two sides and parallel to third side of the triangle

To find:

The value of x.

Solution:

According to basic proportionality theorem, if a line segment intersect the two sides and parallel to third side of the triangle, then it divides the two sides proportionally.

Using basic proportionality theorem, we get

$\dfrac{8}{20-8}=\dfrac{6}{x}$

$\dfrac{8}{12}=\dfrac{6}{x}$

$\dfrac{2}{3}=\dfrac{6}{x}$

On cross multiplication, we get

$2\times x=6\times 3$

$2x=18$

$x=\dfrac{18}{2}$

$x=9$

Therefore, the value of x is 9.

6 0

3 years ago

This is the problem I’m having trouble with. It’s the first time I’ve done linear equations in four variables and I got the answ

garik1379 [7]

x+y-z+w = 10--------(1)

x+3y-4z+5w=26------(2)

x+4y-7z+7w = 37-------(3)

x+2y-3z+6w = 22--------(4)

Subtract equation (1) from (2)

x+3y-4z+5w - (x+y-z+w) = 26 - 10

2y + -3z - 4w = 16-----------------------------(5)

Subtract equation (1) from (3)

8 0

1 year ago

Of the students in Jill's grade, 41 students have a pet and the other 7 students do not. What is the ratio of the number of stud

quester [9]

Answer:

The answer is 7 : 48.

Step-by-step explanation:

First, you can to calculate how many students are there in Jill's grade by adding the number of students who have pet with the students without pets :

total = 41 + 7 = 48

Next, you have to find the ratio of students without pets to total students :

7 : 48

8 0

3 years ago

Read 2 more answers