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sweet-ann [11.9K]
3 years ago
14

Hellppppppp pleaseeee​

Mathematics
2 answers:
klasskru [66]3 years ago
8 0

Answer: i think it is 680 or 340, but my gut says 680...

Step-by-step explanation: 4 x 10 = 40 x 17 = 680

aksik [14]3 years ago
8 0

Answer:

556

Step-by-step explanation:

2*(17*4 + 17*10 + 4*10)

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Dan has the same number of nickels and dimes in his piggy bank. If the total amount of those coins is $0.90, how many of each co
Karolina [17]

Hello There!

<u><em>n - d = 0</em></u>

<u><em>5n+10d = 90</em></u>

<u><em>----------------------</em></u>

<u><em>n-d = 0</em></u>

<u><em>n+2d = 18</em></u>

<u><em>-------------------</em></u>

<u><em>Subtract and solve for "d":</em></u>

<u><em>3d = 18</em></u>

<u><em>d = 6 (# of dimes)</em></u>

<u><em>n = d = 6 (# of nickels)</em></u>

8 0
3 years ago
− 4 x + 12 −4x+12 y=x
Lelu [443]

Answer:

3x-4y=4

Step-by-step explanation:

7 0
3 years ago
Simplify 2^3 x 2^18 ​
dybincka [34]

Answer:

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Step-by-step explanation:

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4 0
2 years ago
Read 2 more answers
What is the answer to:<br> -4(2x+2) &lt;-40
mars1129 [50]

Answer: x > 6

Step-by-step explanation:  -4(2x+2) < -40

-8x - 8 < -40

      +8     +8

-8x < 48

/-8x   /-8x

x  > 6              *The less than sign got flipped to a greater than sign because we divided by a negative.

5 0
2 years ago
Solve by using trial and error method. 3x = 16​
Paladinen [302]

Answer:

5.3...

..............

4 0
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