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77julia77 [94]
2 years ago
10

Is 21:6 and 7:2 equivalent? It’s for math

Mathematics
1 answer:
Alexxx [7]2 years ago
3 0

Answer:

yes

Step-by-step explanation:

i am much smart

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Use the following function rule to find f(3).
Vedmedyk [2.9K]

Answer:

f(3)= 33

Step-by-step explanation:

hello :

f(x) =8x+9

put x = 3    you have : f(3) =8(3)+9 = 24 + 9 =33

7 0
3 years ago
On a coordinate plane, DEF has vertices D(1,2), E(7,2)and F(1,9). What is the distance between point E and F?
notka56 [123]

Step-by-step explanation:

Using distance formula,

Let the distance between point E and F = ef,

ef  =  \sqrt{{(7 - 1)}^{2}  +  {(2 - 9)}^{2} }  \\ ef =  \sqrt{85}  \\  = 9.219544457

8 0
2 years ago
Which expression is equivalent to 5 (4x+3)-2
dolphi86 [110]

Answer:

20x + 13

Step-by-step explanation:

5(4x + 3) - 2

5× 4x + 5×3 - 2

20x + 15 - 2

20x + 13

7 0
3 years ago
Read 2 more answers
A large chess tournament starts with 1024 players. How many players will be remaining after 6 rounds
docker41 [41]

Answer:

16

Step-by-step explanation:

After reach round the number of players will be reduced by a half.

After 1 round it will be 1024 * 11/2 = 512, after  2 rounds it will be 1024 * (1/2)^2 = 256 etc..

Thus, after 6 rounds  the remaining players will be 1024* (1/2)^6

=  16  (answer)

5 0
3 years ago
Given that 1 pound is is $1.62 how much is $405 in pounds
rusak2 [61]

Answer:

250 pounds

Step-by-step explanation:

405 ÷ 1.62 = 250pounds

7 0
3 years ago
Read 2 more answers
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