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Zarrin [17]
3 years ago
5

Margaret compared the size of two round kitchen plates. One plate has a diameter of 9 inches and the other plate has a diameter

of 14
inches. What is the approximate difference between the areas of the two plates?
A 80 square inches
B. 90 square inches
C. 100 square inches
D. 110 square inches
Mathematics
2 answers:
marin [14]3 years ago
8 0
B

9/2 squared is 20.25
20.25 x 3.14 = 63.585
14/2 squared is 49
49 x 3.14 = 153.86
153.86-63.585=90.275
Volgvan3 years ago
7 0

Answer:

BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Step-by-step explanation:

First find the areas of both:

The plate with a diameter of 9 inches has an area of 63.585

The plate with a diameter of 14 inches has an area of 153.86

The difference of these areas is approximately 90

no im not adding you on snap sry

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A car dealership buys a car for $12,500. They sell the car for $15,750. What is the percent markup?
Elodia [21]

Answer: 26%

Step-by-step explanation:

The formula to calculate the percentage markup is given as:

= Selling price - Cost / Cost price × 100

where selling price = $15750

Cost price = $12500

Percentage markup = ($15750 - $12500) / $12500 × 100

= $3250/$12500 × 100

= 26%

4 0
3 years ago
Read 2 more answers
Directed line segment has endpoints P(– 8, – 4) and Q(4, 12). Determine the point that partitions the directed line segment in a
larisa86 [58]

Answer:

Point (1,8)  

Step-by-step explanation:

We will use segment formula to find the coordinates of point that will partition our line segment PQ in a ratio 3:1.

When a point divides any segment internally in the ratio m:n, the formula is:

[x=\frac{mx_2+nx_1}{m+n},y= \frac{my_2+ny_1}{m+n}]

Let us substitute coordinates of point P and Q as:

x_1=-8,

y_1=-4

x_2=4

y_2=12

m=3

n=1

[x=\frac{(3*4)+(1*-8)}{3+1},y=\frac{(3*12)+(1*-4)}{3+1}]

[x=\frac{12-8}{4},y=\frac{36-4}{4}]

[x=\frac{4}{4},y=\frac{32}{4}]

[x=1,y=8]

Therefore, point (1,8) will partition the directed line segment PQ in a ratio 3:1.

   

7 0
3 years ago
EASY POINTS Find the domain of the graphed function.
Vladimir [108]

Using it's concept, it is found that the domain of the graphed function is given as follows:

D. -4 \leq x \leq 2

<h3>What is the domain of a function?</h3>

It is the set that contains all possible input values for the function. In a graph, it is given by the values of x.

In this graph, x assumes values between -4 and 2, inclusive due to the closed circle, hence the domain is given by:

D. -4 \leq x \leq 2

More can be learned about the domain of a function at brainly.com/question/10891721

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4 0
2 years ago
3.<br> 9 (3x + 1) - 3(2x + 3)<br> -<br> Simplify the expression
Tanya [424]

Answer:

The answer for this question would be 21x (when simplified).

8 0
2 years ago
Read 2 more answers
Solve for x -8x = -48
Ludmilka [50]

<u><em>Answer: x=6 *The answer should be the positive sign.*</em></u>

Step-by-step explanation:

division property of equality is dividing both sides of an equation by the same non-zero number does not change the equation.

divide by -8 both sides of an equation.

-8x/-8=-48/-8

48/8=6

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8*6=48

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Hope this helps!

Thanks!

Have a great day!

5 0
3 years ago
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