MATHEMATICS HIGH SCHOOL

A rectangle has an area of 25 square centimeters and a length of 10 centimeters.What is the width of the rectangle?



A.
7.5 centimeters


B.
35 centimeters


C.
15 centimeters


D.
2.5 centimeters

Answers

Answer 1
Answer:

The width of the rectangle is 2.5 cm. Therefore, option D is the correct answer.

Given that, a rectangle has an area of 25 square centimeters and a length of 10 centimeters.

What is the area of a rectangle?

The area occupied by a rectangle within its boundary is called the area of the rectangle. The formula to find the area of a rectangle is Area = Length × Breadth.

Now, put length = 10 cm and area of a rectangle = 25 cm² in area of rectangle formula

That is, 25 = 10 × width

Width = 2.5 cm

The width of the rectangle is 2.5 cm. Therefore, option D is the correct answer.

To learn more about the area of a rectangle visit:

brainly.com/question/20693059.

#SPJ2
Answer 2
Answer: Area = length × width

25 = 10 × x
25 = 10x
25/10 = x
5/2 = x
2 1/2 = x

width is 2 1/2 or

D. 2.5 cm

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Last week, Hazel paid $32 to have 50 reports printed. This week, she paid $57 to have 100 reports printed. Assume the relationship is linear. Which equation models the relationship between the number of reports,x, and the and the cost, y, ?

Answers

Answer: Relationship between the number of reports and the cost of reports printed is given by

2y-x=14

Step-by-step explanation:

Let the number of reports be x

Let the cost of report printed be y

Since we have given that for 50 reports he is paid $32

and for 100 reports printed he is paid $57.

So we have (50,32) and  (100,57)

To get the relationship between the number of reports x, and the cost y , we find the slope using two points mentioned above.

As we know the formula for two point slope form :

m=(y_2-y_1)/(x_2-x_1)\n\nm=(57-32)/(100-50)\n\nm=(25)/(50)\n\nm=(1)/(2)

Now, using the equation of line using two point slope form:

y-32=(1)/(2)(x-50)\n\n2(y-32)=x-50\n\n2y-64=x-50\n\n2y-x=-50+64\n\n2y-x=14\n

∴ This is the required relationship between the number of reports and the cost of reports printed.
32y=50x
57y=100x
Simplify:
y=1.5x
y=1.75x

Three lights go on together first changes every 5 sec second every 6sec third every 8 sec when is the next time they go on together

Answers

In order to calculate, you need to find their LCM
LCM of 5,6 and 8 is equal to 120

So, That time will be 120 sec = 2 min.
In short, Your Final Answer would be 2 min.

Hope this helps!

the spring musical sold student tickets for $8 and adult tickets for $10. there were 130 tickets sold for a total of $1198. how many student tickets were sold?

Answers

x=number of student tickes
y=number of adult tickets

total cost=8x+10y=1198
x+y=130
multipy second eatuion by -10 and add to first

-10x-10y=-1300
8x+10y=1198 +
-2x+0y=-102

-2x=-102
divide both sides by -2
x=51

51 student tickets sold
Okay, so the equation can be written as:

where x is number of student tickets, and y is adult tickets


8x + 10y = 1198

x + y = 130

Lets solve for x,

x = 130-y

Put value of x in first equation:

8 (130-y) + 10y = 1198

1040 - 8y + 10y = 1198

1040 + 2y = 1198

2y = 158

y = 79

Since we have to find student tickets, we will write:

x + 79 = 130

x = 51

So 51 student tickets were sold.

Can someone also help me simplify 5(–2xy)

Answers

Answer:

-10xy

Step-by-step explanation:

distributive property

5*-2=-10

-10xy

Answer:

-10xy

Step-by-step explanation:

Simplify (3x-7)squared

Answers

9x^2-42x+49... Sorry if I'm too late!

Simplify.

|–4.1| =

Thanks!

Answers

|-4.1|

= 4.1


I hope that's help !

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