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victus00 [196]
2 years ago
5

Can someone solve my homework questions please ?

Mathematics
1 answer:
gulaghasi [49]2 years ago
4 0
A is not congruent
B is not congruent
C is congruent
D is not congruent
E is congruent
Is congruent
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achel invested her savings in two investment funds. The amount she invested in Fund A was 4 times as much as the amount she inve
klasskru [66]
Let A and 4A be the investment amounts.
The total profit is 3480=0.06A+0.20A=0.26A, so Fund A investment, A=3480/0.26=$13384.62, and Fund B is $53538.46.
4 0
3 years ago
A collection of quarters and dimes has a total value of$5.00 and contains 32 coins. How many of each kind of coins are there in
vaieri [72.5K]

9514 1404 393

Answer:

  12 quarters

  20 dimes

Step-by-step explanation:

If all were dimes the value would be $3.20. It is $1.80 more than that. Each replacement of a dime with a quarter adds $0.15 to the value, so there must be $1.80/$0.15 = 12 such replacements.

There are 12 quarters and 20 dimes.

_____

Let q represent the number of quarters.

  0.25q +0.10(32 -q) = 5.00 . . . . . total value

  0.15q +3.20 = 5.00 . . . . . . . . . simplify

  q = (5.00 -3.20)/0.15 . . . . . . subtract 3.20 and divide by 0.15

  q = 12

8 0
2 years ago
What is the x coordinate of the intersection of y=4x-10 and y=(x-2) to the power of 2 +2
aleksley [76]

Answer:

  4

Step-by-step explanation:

Equating the y-values gives an equation in x.

  4x -10 = (x -2)^2 +2

  0 = x^2 -4x +4 +2 -4x +10 . . . . . . . . eliminate parentheses, subtract 4x-10

  x^2 -8x +16 = 0

  (x -4)^2 = 0

  x = 4

The x-coordinate of the one point of intersection is x = 4.

6 0
3 years ago
Two numbers with the same sighns
Leviafan [203]
It will always be positive when multiplying
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3 years ago
If a bug can flap its wings at a rate of 77 times in 9 seconds, how many times do they flap their wings in 1.119 minutes? Round
Gelneren [198K]

Answer:

574.4 flaps

Step-by-step explanation:

77/9 =  8.5555555 flaps per second

60 seconds x 1.119 minutes = 67.14 seconds

8.5555555 x 67.14 = 574.42 flaps

7 0
3 years ago
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