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Art [367]
3 years ago
6

How to tell if 12:17 and 10:15 are equivalent

Mathematics
1 answer:
Sphinxa [80]3 years ago
3 0
12:17 and 10:15 can be rewritten as 12/17 and 10/15. We need to make the denominators similar so we find the LCM of 17 and 15 which is <span>255.

12/17 = 180/</span><span>255
10/15 = 170/</span><span>255

180</span>\neq170

They are not equivalent. Hope this helps!<span />
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The two triangles are similar what is the value of x? <br> x=___
Dennis_Churaev [7]

Answer:

5

Step-by-step explanation:

What we have to know is that when two triangles are similar their sides will always be proportional. So we will create a proportion that goes like this...\frac{\Delta1side}{\Delta1base} =\frac{\Delta2side}{\Delta2base} but since it doesn't tell us the exact value of triangle 1. We will have to add 3 and 12 to get 15 which is the base of the first triangle. Now we're ready to write the proportion.

\frac{4x}{15}=\frac{3x+1}{12}

Now we cross multiply and solve the equation...

48x=15(3x+1)\\48x=45x+15\\3x=15\\x=5

So the value of x is 5.

7 0
3 years ago
Solve for xxx. 12x+7 4012x+7 4012, x, plus, 7, is less than, minus, 11, start color #ed5fa6, start text, space, O, R, space, end
gregori [183]

Answer:

<h2>x < -3/2 and x>48/5</h2>

Step-by-step explanation:

Given  the inequality function 12x+7< -11 and 5x-8>40, we are to solve for the value of x. To solve for x, the following steps must be followed.

For the inequality 12x+7< -11

Step 1: Subtract 7 from both sides of the inequality

12x+7-7< -11-7

12x < -18

Step 2: Divide both sides of the inequality by 12

12x/12 < -18/12

x < -3/2 .............. 1

For the inequality 5x-8> 40;

Step 1: Add 8 to both sides of the inequality

5x-8+8 > 40+8

5x > 48

Step 2: Divide both sides of the inequality by 5

5x/5 > 48/5

x>48/5....... 2

Combining equation 1 and 2, we will have;

x < -3/2 and x>48/5

If x>48/5 then 48/5<x

Combining 48/5<x with x < -3/2  will give  48/5<x<-3/2

4 0
3 years ago
Choose the correct slope of the line that passes through the points (1, −3) and (3, −5). I NEED HELP ASAP
Degger [83]
The slope would be:
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6 0
3 years ago
What is the missing reason in the proof?
spayn [35]
Perpendicular bisector theorem
5 0
3 years ago
Read 2 more answers
A concession stand at a baseball game sells 3 apples for $2.00. How can you find the cost for 10 apples?
Angelina_Jolie [31]
You would do $2.00 ÷ 3 = $0.67
10 × $0.67 = $6.70

10 apples would cost $6.70

HOPE THIS HELPED :)
6 0
3 years ago
Read 2 more answers
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