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Sergeu [11.5K]
3 years ago
8

HELP PLS I NEED HELP When solving the equation such as 3/5x = 1/9, why would you multiply both sides of the equation by the reci

procal of 3/5?
Mathematics
1 answer:
True [87]3 years ago
8 0
Because 3/5 and 5/3 make a product of 1, so you have one x on the right side. 
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john set a record when he caught a salmon that weighed 97 1/2pounds. james caught a salmon that weighed 74 7/16pounds. How much
ZanzabumX [31]

Answer:

23.0625 or 23 13/200

Step-by-step explanation:

97 1/2 - 74 7/16 = 23.065 or 23 13/200

Fun fact: The heaviest salmon caught is actually 97 pounds!

If you found this helpful, please give me brainliest. Thanks!

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4 years ago
Luka was given an enlargement of a wooden block. Which statements about the original figure and it’s enlargement are true ?
-Dominant- [34]

Answer:

a,d,e

Step-by-step explanation:

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7 0
4 years ago
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(m-5)(m-2) simplified
Veronika [31]

Answer:

Its probably m2 -7m + 10

5 0
3 years ago
12) A new amusement park decides to offer its visitors a choice between two plans. With Plan 1 they pay $6 to enter
astraxan [27]

9514 1404 393

Answer:

  • 3 rides
  • $16.50

Step-by-step explanation:

The plan 1 cost for x rides will be ...

  y = 6 + 3.50x

The plan 2 cost for x rides will be ...

  y = 12 + 1.50x

These costs will be equal when ...

  y = y

  6 + 3.50x = 12 + 1.50x . . . . . substitute for y

  2.00x = 6 . . . . . . . . . . . . . subtract 6+1.50x

  x = 3 . . . . . . . . . . . . . . . divide by 2

For 3 rides, the cost will be the same.

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For 3 rides the cost is ...

  y = 6 + 3.50(3) = 6 + 10.50 = 16.50

The cost for 3 rides will be $16.50 for either plan.

7 0
3 years ago
The ratio of the angle measures in a quadrilateral is : : : . What is the measure of each angle?
Ganezh [65]

Answer:

  60° : 75° : 120° : 105°

Step-by-step explanation:

I like to work these by considering the relationship between a "ratio unit" and the angle it represents. Here, the sum of ratio units is 4+5+8+7 = 24. The sum of angles in a quadrilateral is 360°, so each ratio unit must stand for ...

  360°/24 = 15°

Multiplying the ratio units by this value, we find the angles to be ...

  (4 : 5 : 8 : 7) × 15° = 60° : 75° : 120° : 105°

4 0
3 years ago
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