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user100 [1]
2 years ago
6

What’s -4-3+x-3x simplified?

Mathematics
2 answers:
Alchen [17]2 years ago
7 0

Answer:

-7     -2x

Step-by-step explanation:

-4-3+x-3x

Combine like terms

-4-3    +x-3x

-7     -2x

larisa [96]2 years ago
4 0

-4 - 3 + x - 3x

-7 + x - 3x

-7 - 2x

advice: just combine like terms

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When the radius of a sphere is doubled, what is the resulting change in volume? A) The original volume is doubled. B) The origin
kobusy [5.1K]

Answer:

C

Step-by-step explanation:

The volume (V) of a sphere is calculated using the formula

V = \frac{4}{3}πr³

If the radius is doubled, that is r = 2r , then

V = \frac{4}{3}π (2r )³

(2r)³ = 8r³, thus the volume is multiplied by 8

5 0
3 years ago
Evaluate the expression 9-3÷1/3+1 <br>A. 9 <br>B. 3 <br>C. 1 <br>D. 19​
ikadub [295]
PEMDAS
P- none
E- none
M- none
D- (3/1/3=1)
AS- 9-1+1=9

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2 years ago
A scale on a map is 1:5000000 Two towns are 7cm apart on the map. What is the actual distance between the towns
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Step-by-step explanation:

6 0
2 years ago
This is confusion please help
oksano4ka [1.4K]

Answer:

c = 5√5

Step-by-step explanation:

When we have a right triangle, there is a property about its measurements that is <em>always</em> true, and its called the "Pythagorean Theorem"

First, let's understand the basic terms we use to describe the sides of a triangle:

we can call one leg "a", the other leg "b" and the slanted side "c"

("c" is also called the hypotenuse--and it's always opposite the 90-degree angle)

the pythagorean theorem:

a² + b² = c²

here, our "a" is 5, our "b" is 10 {and we don't know what c is}

let's try plugging these values into our formula:

a² + b² = c²

5² + 10² = c²

25 + 100 = c²      

125 = c²

now, we know what c² is--but we want to know c,

so we must take the square root of both sides

√125 = √c²

√125 = c

now, while √125 <em>is </em>our answer, we can simplify further!

this is because 125 can be made up of 5 · 25

so, \sqrt{125} = \sqrt{5*25}

and

\sqrt{5*25}=\sqrt{5}*\sqrt{25}

we can take out the square root of 25 (5):

=\sqrt{5}*5

we write this as such: 5\sqrt{5}

so, in simplest radical form, c = 5√5

(√125)

hope this helps!! have a lovely day :)

4 0
1 year ago
What is 13x + 21y - 14x - y simplified?
Arisa [49]

Answer:

-x + 20y

Step-by-step explanation:

trust me.. its right

4 0
2 years ago
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