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nirvana33 [79]
3 years ago
15

Can somebody do this budget form for me?

Mathematics
1 answer:
Rama09 [41]3 years ago
4 0

Answer:8by-step explanation:

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HELP. there are 45 coins consisting of nickels, dimes and quarter making a total of 7 dollars. the number of dimes exceeds the n
MA_775_DIABLO [31]

9514 1404 393

Answer:

  20

Step-by-step explanation:

Let n, d, q represent the numbers of nickels, dimes, and quarters, respectively. Then we have ...

  n + d + q = 45

  5n +10d +25q = 700

  n -d = -5

__

Using n=d -5, we can substitute into the first two equations:

  (d -5) +d + q = 45

  2d +q = 50 . . . . add 5, collect terms [eq4]

__

  5(d -5) +10d +25q = 700

  15d +25q = 725 . . . . . . . . . . add 25, collect terms [eq5]

Multiplying [eq4] equation by 3 and subtracting that from 2/5 of [eq5], we have ...

  (2/5)(15d +25q) -3(2d +q) = (2/5)(725) -3(50)

  6d +10q -6d -3q = 290 -150

  7q = 140 . . . . . . simplify

  q = 20 . . . . . . . . divide by 7

There are 20 quarters.

8 0
3 years ago
6,2 x 10^2 = 0 x t + 1/2 x (-9/8) t^2 + 2582,91
Diano4ka-milaya [45]

Answer:

≠

Step-by-step explanation:

  • 6,2 × 10² = 0 × t + ½ × (-9/8) × t² + 2582,91

  • 6,2 × 100 = 0 + ½ × (-9/8) × t × t + 2582,91

  • 620 = ½ × (-9/8) × t × t + 2582,91

  • 620 = (-9/16) × t × t + 2582,91

  • 620 = (-9/16 t²) + 2582,91

  • 620 ≠ 1.032.939/400 t²

  • 6,2 × 10² ≠ 0 × t + ½ × (-9/8) × t² + 2582,91

Conclusion:

6,2 × 10² ≠ 0 × t + ½ × (-9/8) × t² + 2582,91

7 0
3 years ago
What is x + 5 = 3 using inverse operations?
german
The answer is -2. The inverse operation is when you do the opposite of the equation. In this case, you subtract 3 by 5. (not 5 by 3) Your result will be -2. Now plug -2 into x to check if it's true. 

-2 + 5 = 3 
3 = 3

It works! We can conclude here that x = -2.
I hope you understood! Have a good day :) 
6 0
3 years ago
PLEASE HELP
VikaD [51]

Answer:

1,172.3 cm³

Step-by-step explanation:

Find the volume of one rod, then divide the total volume of steel used by the volume of one rod.  The volume of one rod is

V = (πd²/4)h

d = 4 cm

h = 20 cm

Plugin the numbers and get V in cm³, then divide the given total volume of 28,134.4 cm³ by V.  If the result is not an integer, then round down.

Add

20 + 4 = 24

Then

28,134.4 ÷ 24 = 1172.26

Rounded to the nearest 0.1 or  the Tenths Place = 1,172.3

Therefore, 1,172.3 rods will be made per hour.

8 0
3 years ago
Here is a quadrilateral inscribed in a circle. Jada says that it is square because folding it along the horizontal dashed line a
uranmaximum [27]

Answer:

I Agree

Step-by-step explanation:

I agree because a diamond can a square if you turn it around.

5 0
3 years ago
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