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Greeley [361]
4 years ago
11

I really need help with this

Mathematics
1 answer:
garik1379 [7]4 years ago
5 0

Answer:

Did this help??

Step-by-step explanation:

a.) 5x = m

5x = you and four friends.

m = money for food

b.) Plug in

5(5.25) = m

26.25 = m

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Find the equation of a line that is perpendicular to 4x+6y=1 and that has a greater intercept to the line 2x+3y=18
enot [183]

Answer:

2y - 3x = -15

Step-by-step explanation:

Slope of the line 4x + 6y = 1 is as shown below;

Rewrite in slope intercept form;

6y = -4x+1

y = -4x/6 + 1/6

y = -2x/3 + 1/6

mx = -2/3x

m = -2/3

The slope of the line perpendicular M = -1/(-2/3)

M = 3/2

Get the x and y intercept of 2x+3y = 18

x intercept occurs when y  = 0

2x + 0 = 18

x= 18/2

x = 9

y intercept occurs when x  = 0

0 + 3y = 18

3y= 18

y = 18/3

y = 6

The line passes through the point (9,6)

Write the equation in point slope form

y - y0 = m(x-x0)

y - 6  = 3/2(x-9)

2(y-6) = 3(x-9)

2y - 12 = 3x - 27

2y - 3x = -27 + 12

2y - 3x = -15

This gives the required equation

8 0
3 years ago
Kim's age is three times that of her sister. When you add Kim's age to her sister's age, you get 48. How old is each sister?
valina [46]
Sister is 12 kim is 36 i believe
7 0
3 years ago
Read 2 more answers
A weather forecast during September says that it will likely rain two out of the next five days. If the weather does not change,
Sloan [31]

Answer:

C. 12/30

Step-by-step explanation: 2/5 for every 5 days and there are 30 days in September so there is already 2/5 so 5 days are already in place so add 2 to the 2/5 and 5 to the 2/5 on their corresponding numbers until the five reaches thirty then the 2 will reach 12. Happy to Help.

6 0
4 years ago
describe two ways you could evaluate 37% of the sum of 27.6 and 15.9. tell witch method you would use and why
ozzi
You could substract or divide It to get the sum.
7 0
3 years ago
How to do this i need help
astraxan [27]

Step-by-step explanation:

<h2 /><h2>AREA OF TRIANGLE </h2>

= 1/2× BASE× HEIGHT

= 1/2×25×50 yd²

= 625 yd²

6 0
3 years ago
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