3 years ago

A recent survey of 8,000 high school students found that the mean price of a prom dress was $195.00 with a standard

Mathematics

1 answer:

g100num [7]3 years ago

5 0

Answer:

I believe it is A

Step-by-step explanation:

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What’s the answer for a, and b, and how would you solve it?

xxTIMURxx [149]

Answer:

a) negative

b) -7/6

Step-by-step explanation:

The x value increased, but the y value decreased so the line goes down and has a negative slope

(y₁-y₂)/(x₁-x₂) is the slope where (x₁,y₁) and (x₂,y₂) are points on the line

(4-(-3))/(-1-5)=7/-6

6 0

2 years ago

Write an equation of a circle that has the center at the origin and goes through (-3,-6)

dexar [7]

Answer:

$x^{2} +y^{2} = 45$

Step-by-step explanation:

General Equation of circle is

$(x-x_1)^{2} +(y-y_1)^{2} = r^{2}$ ----------- (1)

Here

$(x_1, y_1)= (0, 0)$

Radius r is distance from origin (x1, y1) to point (x2, y2)=(-3, -6)

$r=\sqrt{(x_2-x_1)^{2} + (y_2-y_1)^{2} }$

$r= \sqrt{(-3-0)^{2} + (-6-0)^{2} }$

$r= \sqrt{9+36}$

$r=\sqrt{45}$

Substituting values in equation (1)

$(x-0)^{2} +(y-0)^{2} =( \sqrt{45})^{2}$

$x^{2} +y^{2} = 45$

6 0

3 years ago

In the decimal 55.555, which is 1/10 the value of the 5 in the tenths place?

inna [77]

Answer:

55.555

Step-by-step explanation:

1/10 × 1/10 = 1/100

The value in the hundredths place is 1/10 the value in the tenths place.

55.555

7 0

2 years ago

ulia spends $3.25 on gas for her lawn mower. She earns $14.00 mowing her neighbor's yard. What is Julia's profit?

ipn [44]

$14.00
- _3.25_
$10.75

3 0

3 years ago

Read 2 more answers

RESUELVE... A. 4X + 5X, B. -3X-2X

777dan777 [17]

I don't recognize this problem, please make sure the input is complete.

8 0

2 years ago