3 years ago

PLEASE HELP ILL GIVE BRAINLIEST

Mathematics

2 answers:

Tpy6a [65]3 years ago

7 0

The answer is 9 if you do 6 divided by 2/3 you get your answer

bezimeni [28]3 years ago

6 0

Answer:

Step-by-step explanation:

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For what values of x is x2-36=5x true?<br> 0 -9 and -4<br> O4 and 9<br> O4 and -9<br> o 9 and 4

mars1129 [50]

Answer:

-4 and 9

Step-by-step explanation:

we have

$x^{2} -36=5x$

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

$x^{2} -36=5x$

$x^{2}-5x-36=0$

$a=1\\b=-5\\c=-36$

substitute in the formula

$x=\frac{-(-5)(+/-)\sqrt{-5^{2}-4(1)(-36)}} {2(1)}$

$x=\frac{5(+/-)\sqrt{169}} {2}$

$x=\frac{5(+/-)13} {2}$

$x=\frac{5(+)13} {2}=9$

$x=\frac{5(-)13} {2}=-4$

therefore

The equation is true for -4 and 9

4 0

3 years ago

35. Cindy walks at a constant rate of 2 miles per hour. She leaves home to walk to her friend Jenny's house at 9 am. When she is

GarryVolchara [31]

Answer:

you're screwed

Step-by-step explanation:

don't forget your phone so anyon doesn't ever have to do this

8 0

3 years ago

Someone pls help, will mark brainliest

exis [7]

3.
6 : 2 = 3
12 · 3 = 36

4.
2 · 4 = 812 · 4 = 48

5 0

4 years ago

Each can of tennis balls has $x$ balls. Initially, Sam has 14 cans of tennis balls, plus 3 extra balls. Jerri initially has 7 ca

shepuryov [24]

Answer:

13balls

Step-by-step explanation:

2(7x+8)-14x+3=? distribute

14x+16-14x+3 do like terms

14x-14x cancel

16-3 =13

it may seem confusing in the explanation but i hope that helps.

4 0

3 years ago

Divide 2x^3+4x^2+5 by x-3 using long division.

Pepsi [2]

Answer:

2x^2 + 10x + 30 + 95/x-3

Step-by-step explanation:

Hope this helps!

5 0

3 years ago