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Tanya [424]
3 years ago
13

The difference of 9/10 of a number and 30 is the same as 3/5 of the number. Find the number.

Mathematics
2 answers:
faltersainse [42]3 years ago
6 0

Answer:

... pie 3/4. Quick Definition: A Mixed Fraction is a whole number and a fraction combined, ... To make it easy to add and subtract them, just convert to Improper Fractions first: ... Example: What is 2 3 4 + 3 1 2 ? ... Example: What is 3 5 8 + 1 3 4 ... Make same denominator: 7 4 becomes 14 8

Step-by-step explanation:

viktelen [127]3 years ago
3 0

Answer:

The number is 100.

Step-by-step explanation:

In order to find the number that is hidden in the given problem, there are a series of equivalencies that have to be made to create an equation to solve the problem.

9/10 = 0.9

3/5 = 6/10 = 0.6

So, this equivalencies established, we are going to perform the following calculation to find the number, by using an equation:

0.9X - 30 = 0.6X

0.9X = 0.6 X + 30

0.9X - 0.6X = 30

0.3X = 30

X = 30 / 0.3

X = 100

According to this calculation, the number is 100.

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Please help I’ll mark you as brainliest if correct
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Step-by-step explanation:

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3 years ago
Cody's Gym charges a $15 fee to join and $30 per month. Tyler's Gym charges a $30 fee to join and $20 per month. Write an inequa
posledela

Answer:

<u>After (3/2) months Tyler's gym would be a better deal.</u>

Step-by-step explanation:

Let x the number of months

Cody's Gym charges a $15 fee to join and $30 per month

y₁= 15 + 30x (1)

Tyler's Gym charges a $30 fee to join and $20 per month

y₂ = 15 + 30x (2)

See the attached figure which represent the graph of y₁ (with blue color) and y₂ (with red color)

The point of intersection between y₁ and y₂ is ( 3/2 , 60)

After 3/2 months Tyler's Gym charges will be less than Cody's Gym charges

So, the inequality will be:

<u>After (3/2) months Tyler's gym would be a better deal.</u>

​

3 0
3 years ago
If i have 16 ounces of water how many pints does jazmine have?
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3 years ago
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1. -88 = -3(4m + 5) - (1 - 3m)​
Vadim26 [7]

Answer:

m=8

Step-by-step explanation:

-88=-3(4m+5)-(1-3m)

-88=-12m-15-(1-3m)   <- Distributive Property

-88=-12m-15-1+3m  <- Open () if there is a negative negative the symbol equals positive

-88=-9m-16    <- Simplify

0=-9m+72   <- Add 88 to both sides

9m = 72 <- Add 9m to both sides

9m = 72

/9      /9

m=8

6 0
3 years ago
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