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wlad13 [49]
3 years ago
15

What is X? 15/8=80/X

Mathematics
1 answer:
defon3 years ago
6 0
X= 1.5 
You're welcome
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Solve the quadratic equation by completing the square.
cricket20 [7]

x^2+4x-3=0\\(x^2+4x+4) -3-4=0\\(x+2)^2=7\\x+2=\pm\sqrt{7}\\x=-2\pm\sqrt{7}

The appropriate choice is

... D) x = -2 ±√7

6 0
4 years ago
A polygon is regular if each of it's sides has the same length. find the perimeter of the regular polygon.
KiRa [710]

Answer:

I would assume you're supposed to solve for x and multiply that by 8 for the perimeter. Like I said in the comment, I'm not a math major.

Step-by-step explanation:

3 0
3 years ago
3.2.PS-31 Jason has 26 strawberry scones and 65 blackberry scones. He wants to make as many identical bags of scones as possible
IrinaVladis [17]

Answer:

The answer is 13

Step-by-step explanation:

To find this we have find greatest common factor of 26 and 65 which turns out to be 13

To prove this answer we divide the number of scones to 13

26/13=2 scones of strawberry in each bag

65/13=5 scones of blackberry in each bag

2 and 5 will be found in each of the 13 bags.

Hope it helped.

6 0
4 years ago
How can i evaluate this expression 3/2-4/7
siniylev [52]
\frac{3}{2} -  \frac{4}{7}
=  \frac{3}{2} +  \frac{-4}{7} 

=  \frac{21}{14} +  \frac{-8}{14}
=  \frac{21+-8}{14}
= \frac{13}{14}
<span>Decimal: 0.928571</span>
4 0
4 years ago
Read 2 more answers
I need to know how do I do this in what's the answer to the question
Aleks04 [339]
Qs is outside of the circle and touches only at point s, so it is a tangent line
6 0
4 years ago
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