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ruslelena [56]
4 years ago
6

Y= 5x + 3 y=2x+5 a. no solutions b. one solution c. infinitely many solutions

Mathematics
1 answer:
steposvetlana [31]4 years ago
7 0

Answer:

One solution

Step-by-step explanation:

Reason - different slopes.

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Find the sum.<br> 5<br> 2a<br> a? + 2a + 1<br> +<br> a2 + 4a + 3
Salsk061 [2.6K]

\frac{2a}{a^2+2a+1}+\frac{5}{a^2+4a+3}

Factor the denominators.

\frac{2a}{\left(a+1\right)^2}+\frac{5}{\left(a+1\right)\left(a+3\right)}

Adjust fractions based on LCM.

\frac{2a\left(a+3\right)}{\left(a+1\right)^2\left(a+3\right)}+\frac{5\left(a+1\right)}{\left(a+1\right)^2\left(a+3\right)}

Denominators are same, so add the fractions.

\frac{2a\left(a+3\right)+5\left(a+1\right)}{\left(a+1\right)^2\left(a+3\right)}

Expand the numerator.

\frac{2a^2+11a+5}{\left(a+1\right)^2\left(a+3\right)}

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3 years ago
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Help Asap!!!!!!!!!!!!!!!!!
Simora [160]

Step-by-step explanation:

hope it is helpful to you

4 0
3 years ago
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What percentage of the classics were checked out in the last month? A. 3.1% B. 10.3% C. 11.5% D. 16.2%
Ymorist [56]
Im pretty sure its B) 10.3%
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Which is an equation of a circle with center (5, 0) that passes through the point (1, 1)
alex41 [277]

Equation of circle at center (h,k) is given by

(x-h)^2+(y-k)^2=r^2

Given that center is at (5,0) that means h=5 and k=0

plug both values into above formula

(x-5)^2+(y-0)^2=r^2

(x-5)^2+y^2=r^2 ...(i)

Given that circle passes through point (1,1) so it will satisfy above equation

(1-5)^2+1^2=r^2

(-4)^2+1^2=r^2

16+1=r^2

17=r^2

Now plug this value of r^2 into equation (i)

(x-5)^2+y^2=17

which best matches with choice C

Hence (x-5)^2+y^2=17 is the final answer.

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3 years ago
Does anybody know how to do a punnet square? ​
Genrish500 [490]

Answer:

Yes!

Step-by-step explanation:

Lets say you have 4 numbers. (1-4)

Draw a box and separate the box into 4's (1 for each number)

On 2 sides of the whole box write the numbers (1 on one side, 2 on the same side but below it, 3 on the top of the box, 4 besides the other number)

After setting it up, you multiply them just like a times table.

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