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3 years ago

I need help with my last 2 problems

Mathematics

1 answer:

Rom4ik [11]3 years ago

3 0

Answer:

19)2862 is how old the grecian pottery thing is

20)1260 calories in the whole bread

Step-by-step explanation:

954x3=2862

210x6=1260

can i get brainliest plzzzz

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I need help please ASAP im gonna fail if i dont get right will give 51 points

evablogger [386]

1. x = 20 , x² = 400 and x³ = 8000

2. x = 7 , x² = 49 and x³ = 343

Step-by-step explanation:

Given values are;

2000, 7, 400, 20, 4000, 200

We have to find x, x² and x³.

Part 1:

$x^3=8000$

We will take cube root to find x.

$\sqrt[3]{x^3} =\sqrt[3]{8000}$

$x=20$

Now, we will take square;

$(x)^2=(20)^2\\x^2=400$

Therefore;

x = 20 , x² = 400 and x³ = 8000

Part 2:

x² = 49 , x³ = 343

Taking square root on x²

$\sqrt{x^2}=\sqrt{49}\\x=7$

Therefore;

x = 7 , x² = 49 and x³ = 343

Keywords: cube root, square root

Learn more about cube root at:

#LearnwithBrainly

3 0

4 years ago

Fourth root of (28-16√13)

EastWind [94]

The answer is 29 i think

6 0

3 years ago

Each big square is cut into 3 parts to represent multiplying by one-third. The number of small shaded squares in the circled par

sammy [17]

Answer:the answer is 5/9

Step-by-step explanation:

8 0

3 years ago

A cylinder has a base diameter of 20 meters and a height of 10 meters. What is it’s volume in cubic meters, to the nearest tenth

Korvikt [17]

3141.6 cubic meters

Step-by-step explanation:

The volume of a cylinder is given by;

πr²h

π * (²⁰/₂)² * 10

π * 100 * 10

= 3141.6

4 0

4 years ago

Write the expression in WORDS!<br><br> 5x + 3

Svet_ta [14]

The expression 5x+3 would be three more than five times a number! More than in this case would be addition - so if you get the same problem with subtraction you just change more to less!
Basically what it's tell you is that if x stood for 2 in this case 5*2 = 10 since it's 3 MORE than 5 times a number (x is in place of a number), you're adding 3 to 10 and that gives you 13!
I hope I simplified it a little more and you understand!
Good luck, rockstar! c: I hope this helped!

8 0

3 years ago