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professor190 [17]
3 years ago
9

HELP MEEEE - I WILL MARK BRAINLIEST- IM BEGGING

Mathematics
1 answer:
masha68 [24]3 years ago
6 0

Answer:

sorry i dont know it but can i get brainliest i never got it

Step-by-step explanation:

You might be interested in
-27=-9x-18y<br> -5y-10x-15=0
lora16 [44]

Answer:

x=-3

y=3

Step-by-step explanation:

-27=-9x-18y    equation 1

-5y-10x-15=0    equation 2

using equation 2 we have:

-10x -15 =5y

y= -2x -3   equation 3

using equation 3 in equation 1 we have:

-27=-9x-18(-2x -3)

-27= -9x +36x +54

-27-54 =27x

-81 = 27x

so we have:

x= -81/27

x=-3

y= -2(-3) -3

y= 6-3

y = 3

4 0
3 years ago
Can you help me plz
Alex73 [517]

9514 1404 393

Answer:

  y = x + 4

Step-by-step explanation:

To find the constant in the equation, look in the table for the value of y when x=0. That value is 4, so ...

  y = x + 4

6 0
3 years ago
What is 3*78 using distributive property
Dmitry_Shevchenko [17]
<span>3 x (80 - 2) = 3 x 80 - 3 x 2 = 240 - 6 = 234 is your answer

</span>
7 0
4 years ago
2. QUIT WHILE YOU CAN Smoking has long been connected with serious diseases, such as lung cancer,
den301095 [7]

Using proportions, it is found that the life span of the person would be 14 years, 212 days and 22 hours shorter.

---------------------------

  • 2 packs a day for 35 years is 40 cigarettes a day for 12775 days, as 35 \times 365 = 12775.
  • Thus, a total of 511000 cigarettes, as 40 \times 12775 = 511000.
  • Assuming each cigarette costs 15 minutes of life, the person loses 7665000 minutes of life, as 15 \times 511000 = 7665000

  • One year has 525600 minutes, thus the person loses 14 years of life, as \frac{7665000}{525600} = 14.5833333
  • Looking at the decimal part, the person loses 212 days of life, as 0.5833333 \times 365 = 212.916666655
  • Again looking at the decimal part, 22 hours, as 0.916666655 \times 24 = 22

  • Thus, the person loses 14 years, 212 days and 22 hours of life.

A similar problem is given at brainly.com/question/23352001

6 0
2 years ago
Sara buys asweater at a department store.The sweater cost 30 dollars
Anna71 [15]
Thats a reasonable price for a sweater.
6 0
3 years ago
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