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Nina [5.8K]
3 years ago
5

Solve the linear equation: 3.4 + 2(9.7 – 4.8x) = 61.2

Mathematics
1 answer:
Nady [450]3 years ago
7 0

Answer:

x=-4

Step-by-step explanation:

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Calculate the perimeter
svetoff [14.1K]

Answer:

Sqare = 6+6+6+6 = 6*4 = 24

Rectangle = 6+6+18+18 = 12+36 = 48

24+48 = 72

<em><u>The perimeter is 72.</u></em>

7 0
4 years ago
Can someone help me plz
Aliun [14]

Answer:

The answer is 4.

Step-by-step explanation:

8/3 ÷ 2/3 = 8/3 x 3/2 = 4

7 0
3 years ago
Read 2 more answers
Someone to help me please is for a maths duty
denpristay [2]
Exercise 4.

a) Since Profit (P) is (equal to) Revenue (R) minus Expenses (E) we can write P = R - E and we know that E = $10 million. So P = R - 10

b) appling the fomula written above, we put P = 25 - 10 = $15 million

c) Let's use the inverse formula. From P = R - E we need R, so move R to the left of equal with changed sign and move P to the right of equal with changed sign. We get - R = - P - E so, make it positive... R = P + E

R = 10 + 5 = $15 million

Exercise 5

a) substitute 15 to x... 3.5 * 15 = y

y = 52.5

b) substitute 144 to y

3.5x = 144 and divide both for 3.5 to find x

3.5x/3.5 = 144/3.5 -> x = 144/3.5 circa 41.1

Exercise 6

a) z = -12 * (-7) -> z = 84
b) 108 = -12x -> 12x = -108 -> 12x/12 = -108/12 -> x = -9

Exercise 7

a) y = 15.3 * (-13) -> y = 198.9
b) 15.3x = 351.9 -> 15.3x/15.3 = 351.9/15.3 -> x = 23

Exercise 8

a) y = -11 + 5 -> y = -6
b) 17 = x + 5 -> - x = -17 + 5 -> x = 17 - 5 -> x = 12
6 0
4 years ago
What is the value of the expression -17 * 1.3 ​
Artist 52 [7]

Answer:

Step-by-step explanation:

if you multiply -17 by 1.3

-17*1.3=-22.10

3 0
3 years ago
How do you find the product of (-y-3x)(-y 3x)?
Leviafan [203]
The answer is -3yx(-y-3x)
6 0
4 years ago
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