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MrRissso [65]
3 years ago
10

Solve each equation.1) 10 = b + 4 - 76​

Mathematics
1 answer:
Anna71 [15]3 years ago
7 0

Answer:the answer is 82 photo math helps a lot with these type of questions

Step-by-step explanation:

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In a rectangle, the ratio of the width to the length is 4:5. If the rectangle is 40
Marina CMI [18]

Answer:

50 cm

Step-by-step explanation:

4/5 = 40/x

cross multiply

4x=200

x=50

4 0
2 years ago
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Please help, having a hard time
rosijanka [135]

Answer:

The balcony seat costs $9,  the orchestra seat costs $9 + $6 = $15.

Step-by-step explanation:

Let x is the cost/price of one balcony seat, in dollars.

Then the cost of one orchestra seat is (x+6) dollars, according to the condtion.

The total cost of tickets is  

250x + 400*(x+6) = 8250.

Simplify it step by step.

250x + 400x + 2400 = 8250,

650x = 8250 - 2400 = 5850  ====>  x = 5850/650 = 9.

Answer.  The balcony seat costs $9,  the orchestra seat costs $9 + $6 = $15.

Check.   9*250 + 15*400 = 8250.  Correct.

3 0
3 years ago
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HELPPP WILL GIVE BRAINLIST
Nastasia [14]

Answer:

6. A

7. D

8. B

9. C

10. B

Step-by-step explanation:

4 0
2 years ago
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George has $3.71 in pennies,nickels dimes and quarters in his pocket. He has twice as many dimes as nickels, two more nickels th
FromTheMoon [43]
<span>pennies = 0.01 $
 nickels = 0.05 $
 dimes = 0.1 $
 quarters = 0.25 $
 We must write the system of equations that best suits this problem and solve it:
 Let:
 x = pennies
 y = nickels
 z = dimes
 w = quarters
 Writing the equations
 0.01x + 0.05y + 0.1z + 0.25w = 3.71
 I have twice as many dimes as nickels
 z = 2y
 two more nickels than quarters
 y = w + 2
 three fewer pennies than three times the number of nickels
 x = 3y-3.
 Solving the system of equations:
 x = 21
 y = 8
 z = 16
 w = 6
 answer
 He has
 21 pennies
 8 nickels
 16 dimes
 6 quarters
</span>
4 0
3 years ago
Find the value of k so that (x + 3) a factor of H(x) = 3x ^ 3 - 2x ^ 2 + kx - 3
gavmur [86]

Step-by-step explanation:

By Factor Theorem, (x + 3) is a factor of H(x) if and only if H(-3) = 0.

3(-3)³ - 2(-3)² + (-3)k - 3 = 0

-81 - 18 - 3k - 3 = 0

3k = -102

k = -34.

4 0
2 years ago
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