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4 years ago

A set of equations is given below:

Mathematics

2 answers:

Archy [21]4 years ago

5 0

The answer is A because they are equal to eachother

Sedaia [141]4 years ago

4 0

Answer:

Equation F can be written as 5b + 1 = 3b + 4

Step-by-step explanation:

A set of equations is given below:

Equation E: a = 5b + 1

Equation F: a = 3b + 4

In substitution method we solve the equation for a variable and substitute it in other equation

Given a= 5b +1

Also equation F : a= 3b+4

both equation have 'a' on the left hand side

So we substitute 5b+1 for 'a' in second equation

Substitute 5b+1 in the place of 'a' in Equation F

Equation F can be written as 5b + 1 = 3b + 4

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Find x + y of this.

jeka57 [31]

Answer:

x + y = 170

Step-by-step explanation:

Using the vertical angle theorem, you can find out that:

x + y + 110 + 80 = 360.

You can simplify this to find x + y.

x + y + 110 + 80 = 360

simplify

x + y + 190 = 360

-190 both sides

x + y = 170

8 0

3 years ago

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Select whether the triangle is inscribed in the circle, circumscribed about the circle, or neither.

Softa [21]

I want to say neither because it is only touching 2 sides.

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3 years ago

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Round your answer to the nearest tenth if necessary. Use 3.14 for .

harina [27]

Answer:

$\boxed{\rm \: Volume_{(Drum)} = 5024 \: in {}^{3} }$

Step-by-step explanation:

Given :

Diameter of a drum = 20 inches
Deep ( height ) of the drum = 16 inches
π = 3.14

To Find:

The volume of the drum.

Solution:

We all know that drum is cylindrical.So we'll use the formulae of the volume of cylinder,to find its volume.

$\boxed{\rm \: Volume_{(Cylinder)} = \pi{r} {}^{2} h}$

Where,

r = radius
h = height (deep)
π = 3.14

The value of radius ain't given,but the diameter is given.We can use the formulae of radius.

$\rm \: Radius = D/2$

D = diameter

Substitute the value of diameter:

$\rm \: Radius = \cfrac{20}{2} = 10$

Hence,the radius is 10.

So we could now use the formulae of the volume of cylinder:

$\rm \: Volume_{(Cylinder)} = \pi{r} {}^{2} h$

π = 3.14
r =10 in
h = 16 in

<em>[Firstly bring the answer in terms of π then plug π = 3.14 and then simplify.]</em>

$\rm \: Volume_{(Drum)} = \pi(10) {}^{2} (16)$

$\rm \: Volume_{(Drum)} =\pi100(16)$

$\rm \: Volume_{(Drum)} = 1600\pi$

$\rm \: Volume_{(Drum)} = 1600 \times 3.14$

$\boxed{\rm \: Volume_{(Cylinder)} = 5024 \: in {}^{3}}$

<u>Hence, we can conclude that:</u>

The volume of this drum is 5024 in^3.

8 0

2 years ago

What is the value of tan360°?

alexandr402 [8]

Answer:

tan360°= 0

I hope this helps you

3 0

3 years ago

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I really need help!

deff fn [24]

D=√(6-0)²+(2-10)²
d=√(6)²+(-8)²
d=√36+64
d=√100
d=10

6 0

3 years ago