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2 years ago

PLEASE HELP!! 12 POINTS AND WILL MARK BRAINLIEST TO WHOEVER ANSWERS QUICKLY AND CORRECTLY!!

Mathematics

2 answers:

balandron [24]2 years ago

5 0

Answer: This is False

PtichkaEL [24]2 years ago

3 0

Answer:

False

Step-by-step explanation:

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Solve for the inverse g(x) = 2x^2-6/9

oksian1 [2.3K]

Answer:f(x)=x2−6x−9 f ( x ) = x 2 - 6 x - 9. Replace f(x) f ( x ) with y y . y=x2−6x−9 y = x 2 - 6 x - 9. Interchange the variables. x=y2−6y−9 x = y 2 - 6 y - 9.

Step-by-step explanation:

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2 years ago

There were 3 boys for every 4 girls in the group if there was 20 girls how many students went on the trip.

daser333 [38]

Answer:

35 students

Step-by-step explanation:

If there are 4 girls, then there are 3 boys

You will multiply both by 5 to get 20

So 3×5 is 15

20+15 = 35

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2 years ago

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Which is the least -1 1/4 or -3/2

saveliy_v [14]

Answer:

-3/2

Step-by-step explanation:

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2 years ago

Solve the following equation for x <br> 4x - 6y=20

choli [55]

Answer:

x = $\frac{3}{2}$ y + 20

[Given]

4x - 6y = 20

[Add 6y to both sides of the equation]

4x = 6y + 20

[Divide both sides of the equation by 4]

x = $\frac{6}{4}$ y + 20

[Simplify $\frac{6}{4}$ , both 6 and 4 are divisible by 2]

x = $\frac{3}{2}$ y + 20

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1 year ago

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Pls help only if yk it ill give brainliest to the correct answer !

IgorC [24]

Answer:

$x=-0.3$

$x=-11.7$

Step-by-step explanation:

$4x^2+24x+13=2x^2+6\\\mathrm{Subtract\:}6\mathrm{\:from\:both\:sides}\\4x^2+24x+13-6=2x^2+6-6\\Simplify\\4x^2+24x+7=2x^2\\\mathrm{Subtract\:}2x^2\mathrm{\:from\:both\:sides}\\4x^2+24x+7-2x^2=2x^2-2x^2\\Simplify\\2x^2+24x+7=0\\\mathrm{Solve\:with\:the\:quadratic\:formula}\\Quadratic\:Equation\:Formula\\\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}\\x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

$\mathrm{For\:}\quad a=2,\:b=24,\:c=7:\quad x_{1,\:2}=\frac{-24\pm \sqrt{24^2-4\cdot \:2\cdot \:7}}{2\cdot \:2}\\x=\frac{-24+\sqrt{24^2-4\cdot \:2\cdot \:7}}{2\cdot \:2}:\quad \frac{-12+\sqrt{130}}{2}\\x=\frac{-24-\sqrt{24^2-4\cdot \:2\cdot \:7}}{2\cdot \:2}:\quad -\frac{12+\sqrt{130}}{2}\\The\:solutions\:to\:the\:quadratic\:equation\:are:\\x=\frac{-12+\sqrt{130}}{2},\:x=-\frac{12+\sqrt{130}}{2}\\\\quad x=-0.29912\ ,\:x=-11.70087$

6 0

2 years ago