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wolverine [178]
2 years ago
7

Simplify the expression 7(1 +5v) =​

Mathematics
2 answers:
horsena [70]2 years ago
8 0
The answer is 7 + 35v
Gre4nikov [31]2 years ago
4 0

Answer:

7 + 35v

Step-by-step explanation:

7 × 1 + 5v × 7

<u>7 + 35v</u>

<u></u>

Hope this helps and have a nice life d:

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when you reverse the digits in a certain two-diget number you increase it value by 27. What is the number if the sum of its digi
Fynjy0 [20]
The number is = 10x+y
if reverse the digits, the number is: 10y+x
The sum fo its digits is =  x+y=5
I suggest this system of equations:
(10y+x)-(10x+y)=27    ⇒9y-9x=27
x+y=5
We can solve this system of equations by equaliztion method
x=5-y

9y-9(5-y)=27
9y-45+9y=27
18y=27+45
18y=72
y=72/18
y=4

x=5-y
x=5-4=1

The number is: 10x+y=10(1)+4=14

Answer: the number is 14
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2 years ago
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John lives 4/10 of a mile from the mall.write two equivalent fractions that show what fraction of a mile john lives from the mal
Marizza181 [45]
<span>2/5 would be one...tell me if you need more.</span>
3 0
3 years ago
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There is small pond which is 8 metres long, 4metre wide and 2metre deep what is the volume
d1i1m1o1n [39]
Volume=Length * Width * Height 
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4 0
3 years ago
A new outdoor recreation center is being built in Hadleyville. The perimeter of the rectangular playing field is 316 yards. The
algol13

Given :

Perimeter of rectangular filed , P = 316 yards.

The length of the field is 4 yards less than twice its width.

To Find :

The dimensions of the playing field.

Solution :

Let, width be x.

So, by given condition length will be 2x - 4.

Perimeter is given by :

P = 2( l + b )

316 = 2( 2x - 4 + x )

3x - 4 = 158

x = 54 yards.

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8 0
2 years ago
The area of a rectangular note card is 35 square inches. The perimeter is 24 inches. What are the
zubka84 [21]

Answer:

5in by 7in

Step-by-step explanation:

2*(l+w)= 24 => l+w= 12

Le= 35

It is easy to see that 35=5*7 and 12= 5+7

So 5 and 7 are the dimensions of the card

8 0
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