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Artemon [7]
2 years ago
13

Rewrite the expression without parentheses. 13m−​(−9m−4​)

Mathematics
2 answers:
svetoff [14.1K]2 years ago
7 0

Answer:

22m+4

Step-by-step explanation:

Let's break it down:

13m+-1(-9m-4)

13m+(9m+4)

22m+4

Neko [114]2 years ago
3 0

Answer:

22m+4

Step-by-step explanation:

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Answer: x= -\frac {109}{15}

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2 years ago
A bag contains only red, green, brown and yellow marbles.
faltersainse [42]
Brown = 2x because of the equation done
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CALCULUS: With what initial velocity much an object be thrown upward (from ground level) to reach the top of the Washington Monu
Zarrin [17]
S = Kt - 16t^2 

<span>setting s = 550 </span>
<span>550 = Kt - 16t^2 </span>

<span>this will reach the highest point when v = 0 </span>
<span>t = K/32 </span>
<span>when t = K/32 </span>
<span>550 = K^2/32 - K^2/64 </span>
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4 0
3 years ago
A mysterious flying superhero known as Blue Sky protects the good citizens of Allenville. Unknown to these citizens, Blue Sky is
RUDIKE [14]

Here we want to find the proportional relationship between the number of hours that Abdul charges the suit and the number of hours that he can fly.

We will get the proportional relationship:

y = 2*x

where y is the number of hours that Abdul can fly and x is the number of hours that he charges the suit.

<h3>Proportional relationships:</h3>

A proportional relationship is a linear relationship of the form:

y = k*x

Where k is the constant of proportionality.

We can define:

  • x = number of hours that he charges the suit,
  • y = number of hours that he can fly.

Now we know that if Abdul charges the suit for 1 hour, he can fly for 2 hours, then we have the pair:

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  • y = 2

Replacing that in the proportional relationship we get:

2 = k*1

Now we can solve this for k:

2 = k*1

2/1 = k = 2

From this, we can conclude that the proportional relationship is:

y = 2*x

If you want to learn more about proportional relationships, you can read:

brainly.com/question/12242745

8 0
2 years ago
Jessie has a total of 36 coins of dimes and nickels. Total value is $2.35. How many of each kind of coins does he have?
Viktor [21]

There are 2 dollars so that would equal 20 dimes.

Proof:

10 cents = a dime

20 x 10 = 200 = 2 dollars

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There are 35 cents to that would equal 3 dimes and 1 nickel.

Proof:

10 cents = a dime

5 cents = a nickel

3 x 10 = 30

1 x 5 = 5

__

So the final answer would be 23 dimes and 1 nickel.

7 0
3 years ago
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