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3 years ago

9

the ratio of boys to girls in mr bakers class is 2 to 3 if there are 30 total students in the class how many more girls are in t

he class than boys.

1 answer:

Archy [21]3 years ago

5 0

I believe there would be 6 more girls than boys.

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Slope and point of (s-3)/4+6

RUDIKE [14]

Answer: 1/10=m, and b-3/10

Step-by-step explanation:

(s-3)/4+6

y=1/10s-3/10

For a line in the form of y=mx+b the slope is m and y-int is b.

1/10=m, and b-3/10

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2 years ago

There are 30 students in a class and 18 of them own at least one pet.

katrin2010 [14]

Answer:

18/30=3/5

Step-by-step explanation:

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2 years ago

Find the equation of the axis of symmetry and the coordinates of vertex of the functions =2x^2+4x-3

SVEN [57.7K]

Hello,

Find the equation of the axis of symmetry is like find the maximum or minimum point of this function.

$f(x)=2x^2+4x-3\\\\\alpha=-\dfrac{b}{2a}=-\dfrac{4}{4}=-1\\\\$

The equation of the axis of symmetry is then : $x=-1$

$\beta=f(\alpha)=2(-1)^2+4(-1)-3=2-4-3=-5$

Coordinates of vertex : $(\alpha,\beta)=(-1;-5)$

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3 years ago

Which of the following shows a group of possible angles a triangle could have?

maw [93]

Answer:

<u><em>D) 50, 60, 70</em></u>

Step-by-step explanation:

The reason why it's D since a regular triangle equals up to 180 degrees in total and D is the only one that equals 180.

50+60+70= 180 degrees

<u><em>Hope this helps</em></u>

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2 years ago

Need help asap. Thanks in advance

laila [671]

Answer: 19º

Step-by-step explanation:

Use sine

$Sin=\frac{opposite}{hypothenuse}$

$sin=\frac{2}{6}\\ sin=0.333\\sin^-^1=19$

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2 years ago