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ziro4ka [17]
3 years ago
10

The perimeter of a church window is 80 inches. If the window is in the shape of a square, what is the length of each side of the

window?
a. 60 inches
b. 20 inches
c. 40 inches
d. 15 inches Go to previous question. Go to next question. Review answer selection
Mathematics
1 answer:
PolarNik [594]3 years ago
8 0
By definition, perimeter refers to the total length of the side of a polygon.  A square has 4 equal sides.

Perimeter = 4 x S
80 = 4 x S
S = 80 / 4
S = 20 inches.

The correct answer is letter B. 20 inches
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The nutrition facts label on a container of dry roasted cashews indicates there are 161 calories in 28 grams. You eat 9 cashews
RoseWind [281]

Answer:

there are 161 calories in 28 gram,then:

one gram of dry roasted cashews contains=161/28=5.75 calories

You eat 12 gram of it, =12*5.75=69 calories


9 cashews  has 12gram, then:

one gram of dry roasted cashews contains= 9/12 = 0.75 cashews

there are total of 28gram in one serving.

Therefore cashews in one serving = 0.75*28=21cashews

a)69 calories

b)21cashews

4 0
3 years ago
The school librarian, Mr. Marker, knows the library has 1,400 books but wants to reorganize how the books are displayed on the s
kipiarov [429]

Answer:

200 resource books

800 fiction books

400 nonfiction books

Step-by-step explanation:

Let's define x as the amount of resource books that are in the library. As he has four times as many fiction books as resource books, that means he has 4*x fiction books.

We also know he has half as many nonfiction books as fiction books, that is 1/2*4*x = 2*x nonfiction books.

We just need to find out the value of x.

We know there are 1,400 books in total and there are just 3 types of books. Therefore, if we sum all of them, we get the 1,400.

Written in math language, that is

x + 4x + 2x = 1,400

7x = 1,400

We divide by 7 on both sides and we get

7/7x = 1,400/7

x = 200

Now we replace the x with 200 to know how many books he has of each type:

Resource books = x = 200

Fiction books = 4*x = 4*200 = 800

Nonfiction books = 2*x = 2*200 = 400

Therefore, there are 200 resource books, 800 fiction books and 400 nonfiction books in the library.

The tape diagram is attached as an image.

8 0
2 years ago
Find the equation of (2,3), slope 4
zhenek [66]

Answer:

y=4x-5

Step-by-step explanation:

y-y1=m(x-x1)

y-3=4(x-2)

y=4x-8+3

y=4x-5

Please mark me as Brainliest if you're satisfied with the answer.

3 0
2 years ago
Read 2 more answers
Which among the four choices gives the difference of (x/4x²) and (3/4x²)?​
Sergeeva-Olga [200]

Answer:

2

Step-by-step explanation:

the difference is that

6 0
3 years ago
The sides of a triangle are in the ratio 3:4:5. What is the length of each side if the perimeter of the
Brut [27]

Answer:

A. 22.5 cm, 30 cm, and 37.5 cm

Step-by-step explanation:

If three sides of a triangle are in the ratio 3:4:5, then the lengths of the sides are 3x cm, 4x cm and 5x cm.

The preimeter of the triangle is the sum of the lengths of all sides, thus

3x+4x+5x=90\\ \\12x=90\\ \\x=\dfrac{90}{12}=\dfrac{30}{4}=7.5\ cm

So, the lengths of the triangle's sides are

3x=3\cdot 7.5=22.5\ cm\\ \\4x=4\cdot 7.5=30\ cm\\ \\5x=5\cdot 7.5=37.5\ cm

6 0
3 years ago
Read 2 more answers
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