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Lisa [10]
3 years ago
12

Will mark brainly if correct

Mathematics
1 answer:
netineya [11]3 years ago
6 0

Answer:

Answer is 3.5

Step-by-step explanation:

slope is 7/2 which is 3.5:)

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a class voted for either rollerblading, swimming, or biking as their favorite summer activity. if rollerblading got 21% percent
Sauron [17]

Answer:  39% voted for biking

Step-by-step explanation:

Add the other two percentages and subtract from 100

40 + 21 = 61

100 - 61 = 39

8 0
3 years ago
Can someone help me with question 3 i really dont understand this.
makvit [3.9K]

Answer:28 hours

Step-by-step explanation:

2x7x2

5 0
3 years ago
Read 2 more answers
The ratio of the geometric mean and arithmetic mean of two numbers is 3:5, find the ratio of the smaller number to the larger nu
IgorC [24]

Answer:

\frac{1}{9}

Step-by-step explanation:

Let the numbers be x,y, where x>y

The geometric mean is

\sqrt{xy}

The Arithmetic mean is

\frac{x + y}{2}

The ratio of the geometric mean and arithmetic mean of two numbers is 3:5.

\frac{ \sqrt{xy} }{ \frac{x + y}{2} }  =  \frac{3}{5}

We can write the equation;

\sqrt{xy}  = 3

or

xy = 9 -  -  - (2)

l

and

\frac{x + y}{2}  = 5

or

x + y = 10 -  -  - (2)

Make y the subject in equation 2

y = 10 - x -  -  - (3)

Put equation 3 in 1

x(10 - x) = 9

10x -  {x}^{2}  = 9

{x}^{2}  - 10x + 9 = 0

(x - 9)(x - 1) = 0

x =1  \: or \: 9

When x=1, y=10-1=9

When x=9, y=10-9=1

Therefore x=9, and y=1

The ratio of the smaller number to the larger number is

\frac{1}{9}

3 0
2 years ago
Help me with this question i tried multiple time to solution it always wrong
maw [93]
7/9-1/3 or 7/9-3/9= 4/9 is the answer
4 0
3 years ago
15x+8=6x+2<br><br> Find X please I beg you I have to feed my kids
Rzqust [24]

Answer:

15x+8=6x+2\\9x+8=2\\9x=-6\\x=-6/9 or -2/3\\Hope this helps plz hit the crown :D

4 0
3 years ago
Read 2 more answers
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