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julia-pushkina [17]
3 years ago
11

Explain why 7* x/7=x 7 times x over seven. why is it x?

Mathematics
1 answer:
Nikolay [14]3 years ago
5 0
It is 1 because if you divided 7over 7 it 1 so x=1
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Softa [21]

Answer:

(2)(120)(80) + (2)(120)(50) - (4)(60)(5²)

Step-by-step explanation:

The lateral faces of the building are the 4 sides of the building consisting:

2 rectangles of 120 ft by 80 ft

Area of the two rectangular faces = (2)(120)(80)

And

2 rectangles of 120 ft by 50 ft

Area of the two rectangular faces = (2)(120)(50)

✔️Total lateral surface area of the building = (2)(120)(80) + (2)(120)(50)

Note: we are asked to find the expression that represents the total surface area that needs to be painted given that there are 60 windows on each lateral face of the building of the shape of a square with side lengths of 5 ft.

Therefore, the total lateral surface area of the building that will be painted = total lateral surface of the building - total area covered by the 60 windows on each face of the building

Surface area covered by 60 windows in the 4 lateral face of the building = (4)(60)(5²)

✅total lateral surface area of the building that will be painted = (2)(120)(80) + (2)(120)(50) - (4)(60)(5²)

6 0
2 years ago
What is the relationship between the 6s in 66,0472
vagabundo [1.1K]
They are both in the thousands places
5 0
3 years ago
Cristina bought a bag of coffee for $8.47. The weight of the bag was 7/8 of a pound. What was the price, per pound, of the coffe
SpyIntel [72]
~For this problem, you need to divide. 
~The easy way that I think might help you is if you change the fraction into a decimal. 
 
\frac{7}{8} = 0.875
  
Now divide $8.47 by 0.875
\frac{8.47}{0.875} = 9.68
     
     The price per pound of the coffee was $9.68

5 0
3 years ago
Read 2 more answers
Cristina uses a ruler to measure the length of her math textbook.she says that the book is 4/10 meter long.Ise her measurement i
NNADVOKAT [17]
The simplest form iz 2/5
3 0
3 years ago
Scientific notation<br> Express this number in scientific notation.<br> 245,600,000,000
Degger [83]

Answer:

The answer 2.456*10^11

Step-by-step explanation:

To to this we have to count how many decimals from the back of the number

245,600,000,000

We can actually count 11 decimal points from the back

Hence in standard form or scientific notation we have

2.456*10^11

6 0
4 years ago
Read 2 more answers
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