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irakobra [83]
2 years ago
13

Joan waters her plants with 25 1/2 gallons of water. With a new irrigation system in place, she uses 19 3/4 gallons of water eac

h day. How many gallons of water does she save in a 30-day period with the irrigation system?
Mathematics
1 answer:
leva [86]2 years ago
4 0

Answer:45,fty

Step-by-step explanation:

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The ratio of the side length of Square P to the side length of Square Q is 2:7. If the side length of Square P is 3.5 inches, wh
Igoryamba

Answer:

Perimeter of Square Q = 49

Step-by-step explanation:

given:

sides P:Q = 2:7

side length of P = 3.5.

First, determine length of side Q by using the ratio

\frac{2}{7}=\frac{3.5}{side Q}\\side Q = \frac{7*3.5}{2}

The perimeter is 4 times the length of the side

So, Perimeter of square Q = 4 *(7*3.5)/2 = 49

3 0
3 years ago
-2(3x-4)=4(5x-11) Solve for x
sveta [45]

-2(3x-4)=4(5x-11)

-6x+8=20x-44

8+44=26x

26x=52

x=52/26

your answer will be x=2

6 0
3 years ago
Read 2 more answers
How to do this?
Mandarinka [93]
This equation uses two properties of logarithms:

\ln(g^x) = x \ln(g)

\ln(a) + \ln(b) = \ln(ab)

So you could take the ln from left and right hand side in the equation, and get:

(2-x)ln 3 = x ln 5

then

2 ln 3 - x ln 3 - x ln 5 = 0 =>

x(ln 3 + ln 5) = 2 ln 3

so x = 2 ln 3 / (ln3 + ln5)

Now using the 1st property you can say 2 ln 3 is ln 3² = ln9
and using the 2nd property you can say ln3 + ln5 = ln15

so x= ln9 / ln15


7 0
3 years ago
Can someone plz help me with this equation this is hard
nikdorinn [45]

Answer:

5x - 4 = 11

Step-by-step explanation:

4 less than 5 times a number equals 11

5 times a number minus 4 equals 11

(5*x) - 4 = 11

I hope this helps!!!

5 0
3 years ago
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3a+5b-9: a=2, b=3 that is my question I need help
Zigmanuir [339]

Answer:

12

Step-by-step explanation:

7 0
3 years ago
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