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lawyer [7]
3 years ago
5

The cost of cementing 30 m² of floor area is $810. How much will it

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
6 0

Answer:

The answer is 1485 m^2

Step-by-step explanation:

27 per m^2 so 27 times 55 = 1485 m^2

Dafna11 [192]3 years ago
5 0

Answer:

$1485 cost to cement 55m^2 of floor area. You should need to know how much will it cost 1m^2, so then you can solve the area you were asked for.

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Joe wants to find out volume of his marble . He fills a beaker with 100ml of water and then drops his marble in the breaker. His
almond37 [142]

Answer:

The volume of the marble is 47 ml

The volume of the water is 100 ml

Step-by-step explanation:

we know that

The volume of the marble is equal to the change in water level

so

To find out the volume of the marble subtract 100 ml from 147 ml

147-100=47\ ml

The volume of the water no change

The volume of the water is 100 ml

6 0
3 years ago
=<br> 100 points for all 6
lbvjy [14]

Answer:

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7 0
3 years ago
Read 2 more answers
PWEASE HELP IF YOUBARE GOOD AT MATH
Novosadov [1.4K]
<h3>Answer: 2</h3>

=========================================================

Explanation:

The function f(x) = -4x+1 is the same as y = -4x+1 where y = f(x)

Compare this to y = mx+b and we see the slope here is m = -4

---------

Now let's find the slope of g(x)

use the slope formula with any two rows you want. I'll pick on the last two rows.

m = (y2-y1)/(x2-x1)

m = (21-9)/(3-1)

m = 12/2

m = 6 is the slope of g(x)

---------

From here, we add the two slope values

(slope of f)+(slope of g) = -4+6 = 2

3 0
3 years ago
The drama club was selling tickets
Lubov Fominskaja [6]

Answer:

108 student tickets, and 176 adult tickets  were sold

Step-by-step explanation:

Adult ticket $8  Call the number of adult tickets sold "a"

Student ticket $5  Call the number of student tickets sold "s"

Since we are talking about TWO consecutive days of sold out seats, the total number of seats sold were 2* 142 = 284

Then we create two different equations with the information given:

a + s = 284

8 * a + 5 * s = 1948

we can solve for s in the first equation as follows: s = 284 - a

and use it in the second equation

8 a + 5 (284 - a) = 1948

8 a + 1420 - 5 a = 1948

combining

3 a = 528

a = 528/3

a = 176

we find the number of student tickets using this answer in the substitution equation we used:

s - 284 - 176 = 108

Therefore 108 student tickets, and 176 adult tickets  were sold.

5 0
3 years ago
What is the Mean Absolute Deviation of the following numbers?<br> 32, 67,83, 15, 89, 32
hram777 [196]

Answer:

53 I believe

Step-by-step explanation:

add all then divide by how much numbers are there

3 0
3 years ago
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