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2 years ago

Margie is planning a dinner banquet. The equation

Mathematics

1 answer:

Komok [63]2 years ago

8 0

Answer:

the x is the independent variable so the guests the y is the dependent variable so the cost.

Step-by-step explanation:

because so when there are 100 people there is 4,200 +750 and the cost is 4,950

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If the length of the shorter arc AB is 22cm and C is the center of the circle then the circumference of the circle

lapo4ka [179]

Answer:

22= 2(pi)(r)(45/360)

28.01

C=176

Step-by-step explanation:

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2 years ago

Dinner came out of the oven at 7:15 P.M. after baking for 30 minutes. What time was dinner put into the oven?

spin [16.1K]

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6:45

Step-by-step explanation:

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3 years ago

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Write the equation of a line perpendicular to 3x + 4y = 9 that passes through (8, - 4)

Arisa [49]

keeping in mind that perpendicular lines have <u>negative reciprocal</u> slopes, let's find the slope of 3x + 4y = 9, by simply putting it in slope-intercept form.

$\bf 3x+4y=9\implies 4y=-3x+9\implies y=-\cfrac{3x+9}{4}\implies y=\stackrel{slope}{-\cfrac{3}{4}}x+\cfrac{9}{4} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{-\cfrac{3}{4}}\qquad \qquad \qquad \stackrel{reciprocal}{-\cfrac{4}{3}}\qquad \stackrel{negative~reciprocal}{+\cfrac{4}{3}}\implies \cfrac{4}{3}}$

so we're really looking for the equation of a line whose slope is 4/3 and runs through 8, -4.

$\bf (\stackrel{x_1}{8}~,~\stackrel{y_1}{-4})~\hspace{10em} slope = m\implies \cfrac{4}{3} \\\\\\ \stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-(-4)=\cfrac{4}{3}(x-8) \implies y+4=\cfrac{4}{3}x-\cfrac{32}{3} \\\\\\ y=\cfrac{4}{3}x-\cfrac{32}{3}-4\implies y=\cfrac{4}{3}x-\cfrac{44}{3}$

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2 years ago

What’s the x-intercepts

vovikov84 [41]

The x-intercepts are -6 (put the radical over the 6) and 6 (put the radical over it) or if you need the simplified version they are -2.44 and 2.44

3 0

2 years ago

Help needed! - Geometry - 15 points - One question -

il63 [147K]

Answer: m<VUT= 70 degrees

Step-by-step explanation:

120= 50+ ?

?=70

6 0

2 years ago