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Lelu [443]
2 years ago
11

HELP IN THE ENST % MINUTES AND ILL MARK YOU BRAINLY

Mathematics
2 answers:
PIT_PIT [208]2 years ago
6 0
Y=21 and x=8

27+3y=90
3y=63
y=21

90+x+(8x+18)=180
108+9x=180
9x=72
x=8
BabaBlast [244]2 years ago
4 0

Answer:

y=51 x=8

Step-by-step explanation:

if your in a rush I'll explain later

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Click an item in the list or group of pictures at the bottom of the problem and, holding the button down; drag it into the corre
Alex777 [14]
8x^3 -5x^2 + 8x + 9+5x^3 + 3x^2 - 5x + 4 = 
8x^3+5x^3-5x^2 + 3x^2+ 8x - 5x+ 9<span>+ 4 = </span>
13x^3-2x^2+3x+13
3 0
3 years ago
HELP!!!
Reptile [31]

Answer:

(a) $ 30000 + 1500 t

(b) $ 52500

Step-by-step explanation:

Initial profit = # 30,000

Profit increases every year by 5 %.

(a) Let the profit after t year is

P = $ 30,000 + 5% of 30,000 t  = $ 30000 + $ 1500 t

(b) t = 15 years

P = $ 30000 + $ 1500 x 15 = $ 52500  

5 0
2 years ago
Decimal And fraction in meters of 8 centimeters
netineya [11]
Ok so
Knowing that 1 metre consists of 100cm,
You can conclude and agree that 8 cm is 8/100, correct?
Now, when converting fractions to decimals, it makes it easier out of 100 or 10. Since it's out of 100 already, you take the amount of zero's in 100 (two) and you move the decimal point (2) places to the <em /><u>left<em /></u> 

This gives you 0.08
So the fraction is 8/100, which then can be simplified to 4/50, then to 2/25
and the decimal is 0.08. 
5 0
3 years ago
Emery bought 3 cans of beans that had a total weight of 2.4 pounds. If each can of beans weighed the same amount, which model co
andreev551 [17]

Answer:

  • y=0.8x
  • See Explanation for others

Step-by-step explanation:

The 3 cans of beans had a total weight of 2.4 Pounds

Therefore:

  • 1 can of beans = (2.4 ÷ 3) =0.8 Pounds

The following applies from the options.

  • y=0.8x where y is the weight and x is the number of cans.
  • A 2-column table with 3 rows. Column 1 is labeled number of cans with entries 5, 15, 20. Column 2 is labeled total weight (in pounds) with entries 4, 12, 16.

Using y=0.8x

When x=5, y=0.8 X 5=4

When x=15, y=0.8 X 15=12

When x=20, y=0.8 X 20=16

\left|\begin{array}{c|c}\text{Number of Cans,x}&\text{Total Weight (in Pounds),y}\\-------&--------\\5&4\\15&12\\20&16\end{array}\right|

  • On a coordinate plane, the x-axis is labeled number of cans and the y-axis is labeled total weight (in pounds. A line goes through points (5, 4) and (15, 12). This can be clearly seen from the table above as (5,4) and (15,12) are points on the line.
8 0
3 years ago
Read 2 more answers
QRST is a rectangle. Find the length of the diagonals.<br><br> QS=8x−11 and RT=4x+21
valkas [14]

Answer: they’re both 53

Step-by-step explanation:

i just took the test and it is correct

7 0
2 years ago
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