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Mekhanik [1.2K]
3 years ago
5

How do I find the value of x? Can someone please explain

Mathematics
2 answers:
shusha [124]3 years ago
6 0

Answer:

<h2>4</h2>

solution,

{x}^{3}  = 64 \\ or \: x =  \sqrt[3]{64}  \\ or \: x =  \sqrt[3]{4 \times 4 \times 4}  \\ x = 4

Hope this helps...

Good luck on your assignment...

Effectus [21]3 years ago
3 0

Answer:

x=4

Step-by-step explanation:

x^3=64

it means same number multiply by it self three times to get 64

to find x you need to use cubic root because it is to the power 3

∛x^3=∛64

∛x*x*x=∛4*4*4 or ∛4^3

x= 4

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John had 245.000€ in his current account before he invested two-fifths of the money in an insurance company. How much did he inv
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Answer:

He invested 40% of his money, 245 * 40% = 98.

245 - 98 = 147.

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If this helps leave a thanks.
7 0
4 years ago
I need help with b and d
Rudik [331]
B) -2x - 3y2 + 1 or 1 - 3y2 - 2x (rearrange)
Step-by-step:
add (-9) & (+10) to get (+1) : (-9+10 = 1)
= -4x + y2 + 1 - x + 3x - 4y2
combine (-4x) & (-x) to get (-5x) : (-4x+ (-x) = -4x-x = -5x)
= -5x + y2 + 1 + 3x - 4y2
combine (-5x) & (3x) to get (-2x) : (-5x + 3x = -2x)
= -2x + y2 + 1 - 4y2
combine (y2) & (-4y2) to get (-3y2) : (y2 + (-4y2)) = y2 - 4y2 = -3y2)
= -2x - 3y2 + 1 Or 1 - 3y2 - 2x (rearrange)

---

D) -4xy + 4y2 - y - 10 or -10 - 4xy - 4y2 (rearrange)
Step-by-step:
subtract 20 from 0 to get −20 (0-20 = -20)
= −20 − 5xy + 4y2 + 10 − y + xy
add (-20) & (10) to get (-10) : (-20+10 = -10)
= -10 -5xy + 4y2 - y + xy
combine (-5xy) & (xy) to get (-4xy) : (-5xy + xy = -4xy)
= -10 - 4xy + y2 - y or (-4xy + 4y2 - y - 10) (rearrange)

5 0
3 years ago
Kedar eaens a monthly salary of $2,200 plus a 3.75% commission on the amount of his sales at a men's clothing store . What would
NemiM [27]
Okay. So, Kedar earns a monthly salary of $2,200 per month. That stays the same. He earns a 3.75% monthly commission on how much he sells. To find out how much his commission would be if he sold $4,500 in clothing, we would have to multiply 4,500 by 3.75% (0.0375). When you multiply both numbers, you get $168.75 in commission sales. Now, you must add that plus 2,200. When you add both of those numbers, you get 2,368.75. Kedar would earn $2,368.75 this month if he sold $4,500 worth of clothes.
5 0
4 years ago
Choch Question 3 3.1 Construct the following triangles: 3.1.1 ADEF with EF = 7cm, ​
olasank [31]

We have to construct a triangle DEF with EF = 7 cm. It is given that we have to make an angle of 50⁰ at E and at F.

Steps to make a triangle DEF:

Step 1: Draw a line segment EF equal to 7 cm, using a ruler.

Step 2: Put the center of the protractor on the one end of the line segment that is at E and make the given angle that is 50⁰.

Step 3: Make the angle of 50⁰ at F by using protractor.

Step 4: Extend the line from E and F in the direction of 50⁰. After extending the line segments, we get an intersection point, name that point D..

Step 5: The point D, is made from the intersection of the line segment from E and F.

Step 6: Hence, triangle DEF is constructed.

For similar question, visit:

brainly.com/question/929137

#SPJ9

7 0
1 year ago
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Answer:

\boxed{\text{It doubles}}

Step-by-step explanation:

f(x)=4(2)^{x}

Let's create a table of the values.

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