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ziro4ka [17]
3 years ago
13

What is the length of DF?

Mathematics
1 answer:
Crank3 years ago
7 0

Answer:

-DE+EF

Step-by-step explanation:

this is because DE is a negative vector because we are moving against the direction

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Daniel buys a new car.
Gennadij [26K]

Answer:

Step-by-step explanation:

Value of the car at the end of the first year = £9680

Depreciation = 12 %

Original price = £ x

If we reduce 12% of original price from x, we will get £9680

x - 12% of x  = £ 9680

x-\frac{12}{100}x=9680\\\\\\\frac{88}{100}x=9680\\\\x=9680*\frac{100}{88}\\\\x = 11000

Original price  = £ 11000

4 0
3 years ago
Precentage equivalent to 7/8
Maurinko [17]

Answer:

87.5 %

Step-by-step explanation:

Set up a ratio:

7/8 = x/100

Cross multiply to solve for x:

8x = 700

x = 87.5

6 0
3 years ago
Read 2 more answers
In parallelogram ABCD , diagonals AC¯¯¯¯¯ and BD¯¯¯¯¯ intersect at point E, AE = 3x - 5, and CE = x + 11.
german

Answer:

38

Step-by-step explanation:

For the case of a parallelogram, when the diagonals ( in our case AC & BD) are intersected, they are basically bisected ( divided into two equal halves ). Therefore when the diagonals intersect at point E, we can say that the diagonal AC is divided in two equal halves which in our case are AE and CE. since AE and CE are equal , we can say that,

AE= CE \\or\\3x-5 = x+11 ---- (1)\\now  solving (1)  for x, \\3x-x=11+5\\2x=16\\x=8-----> (2)\\\\as      \\ AC = AE+CE\\AC = 3x-5+x+11\\AC = 4x+6\\\\\\from (2)\\\\\\AC= 4(8)+6\\AC = 32+6\\AC = 38\\\\since AC = BD ( Diagonals     are    of same Length )\\therefore \\BD =38

5 0
4 years ago
Round 15472988 to the nearest thousand also same number to the nearest ten thousand and ten million please
Keith_Richards [23]

Answer: 15,473,000; 15,470,000; 15,000,000

Step-by-step explanation: none really:)

8 0
3 years ago
If 7 gallons of paint are used to paint 4 classrooms at Cascade Middle
denis-greek [22]

Answer: 28 gallons of paint needed to paint 16 classrooms.

Step-by-step explanation:

As 7 gallons Paint 4 classrooms so if we need to paint 16 classrooms which four times 4 classrooms so 7*4=28 gallons will be needed to paint 16 classrooms

7 0
3 years ago
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