Identify two factors that have a product of 1 7/8 so to factors that you multiply to get 1 7/8

Mathematics

1 answer:

Juli2301 [7.4K]2 years ago

4 0

Please make me the brainiest if this helps;

17 and 18 are the answers

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What are the solutions of the quadratic equation? 4x^2+34x+60=0

insens350 [35]

Answer:

Option 3) -6,-5/2

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$4x^{2} +34x+60=0$

$a=4\\b=34\\c=60$

substitute in the formula

$x=\frac{-34(+/-)\sqrt{34^{2}-4(4)(60)}} {2(4)}$

$x=\frac{-34(+/-)\sqrt{196}} {8}$

$x=\frac{-34(+/-)14} {8}$

$x_1=\frac{-34(+)14} {8}=-\frac{20}{8}=-\frac{5}{2}$

$x_2=\frac{-34(-)14} {8}=-6$

6 0

2 years ago

An arithmetic sequence with a third term of 8 and a constant difference of 5.

larisa [96]

An arithmetic sequence (a_n) is as follows:

$a_1\\a_2=a_1+d\\a_3= a_1+2d\\a_4=a_1+3d,...$ where $a_1$ is the first term and d is the constant difference,

thus, we see that the n'th term of an arithmetic sequence is $a_n=a_1+(n-1)d$

in our particular case d=5, the third term is 8, so we have:

$a_3=8=a_1+2\cdot5\\\\8=a_1+10\\\\a_1=-2$

and the general term is $a_n=-2+5(n-1)$ ,

Answer: first term is -2, n'th term is -2+5(n-1)

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2 years ago

A given line has the equation 10x+2y=-2 .

a_sh-v [17]

Here’s the correct answer and how I got the answer :)