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3 years ago

A square calendar has sides that are 9 inches long. What is the calendar area?

Mathematics

2 answers:

umka2103 [35]3 years ago

8 0

81 because area=l×h so 9×9 is 81

adell [148]3 years ago

4 0

By definition, the area of a square is given by:

$A = L ^ 2$

Where,

L: length of the square side

For this case, the length of the square side is given by:

$L = 9$

Substituting values we have:

$A = 9 ^ 2\\A = 81 in ^ 2$

Answer:

the calendar area is:

$A = 81 in ^ 2$

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What is the explicit formula for this sequence -7, -4, -1, 2, 5

Nataliya [291]

Answer:

$\large\boxed{a_n=3n-10}$

Step-by-step explanation:

It's an arithmetic sequence.

$-4-(-7)=-4+7=3\\-1-(-4)=-1+4=3\\2-(-1)=2+1=3\\5-2=3$

The difference is constant.

The explicit formula of an arithmetic sequence:

$a_n=a_1+(n-1)d$

Substitute:

$a_1=-7,\ d=3$

$a_n=-7+(n-1)(3)$ use distributive property

$a_n=-7+3n-3\\\\a_n=3n+(-7-3)\\\\a_n=3n-10$

6 0

3 years ago

In the figure, AA′ = 33 m and BC = 7.5 m. The span is divided into six equal parts at E, G, C, I, and K. Find the length of A′B.

Umnica [9.8K]

The correct answer for the question that is being presented above is this one: "18.12."
The image of this triangle is an isosceles triangle with the base being 33 m (from angle A to angle A') and the right leg is 7.5 m long (BC) the span or width of the triangle is divided by 6 vertical lines with equal distances from each other. so we need to find the length of the left leg AB.

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3 years ago

A rectangle park measures 300 ft by 400 ft. A sidewalk runs diagonally from one comer to the opposite corner. Find the length o

DochEvi [55]

The length of side walk is 500 feet

Solution:

Given that, A rectangle park measures 300 ft by 400 ft

Length = 300 feet

Width = 400 feet

A sidewalk runs diagonally from one comer to the opposite corner

We have to find the length of side walk

Which means, we have to find the length of diagonal of rectangle

The diagonal of rectangle is given by formula:

$d = \sqrt{w^2+l^2}$

Where,

d is the length of diagonal

w is the width and l is the length of rectangle

Substituting the values in formula, we get

$d = \sqrt{400^2+300^2}\\\\d = \sqrt{160000+90000}\\\\d = \sqrt{250000}\\\\d = 500$

Thus length of side walk is 500 feet

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3 years ago

What is the value of y? Enter your answer in the box. y= ??

kenny6666 [7]

Answer:

Step-by-step explanation:

total of a triangle adds up to 180 degrees

so:

76+37=116

180-116=64

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2 years ago

Read 2 more answers

what is the equation of the line that passes through (3,-1) and is parallel to y=-4X + 1? give your answer in slope-intercept fo

Butoxors [25]

the answer is y=4x-11

use y+1=4x-12

move 1 to negative because move to the other side

so the answer is y=4x-11

5 0

3 years ago