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Murljashka [212]
3 years ago
9

20n -5 - 3n + 10 pls help

Mathematics
2 answers:
artcher [175]3 years ago
8 0

Answer:

17x+5

Step-by-step explanation:

Simplify the equation

Cloud [144]3 years ago
7 0

Answer:

20n-3n-5+10

=17n+5 ,,,,

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Factor out completely the quadratic function : NEED THIS ASAP WILL GIVE BRAINLIEST
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Answer:

Here is your answer

Step-by-step explanation:

3.(x+3)(x+5)

4.(x-8)(x+8)

5.(x+6)^2

8 0
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yuradex [85]
Any second part or anything else to look at?
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Write the expression as a whole number with a negative exponent. Do not evaluate the expression.
WINSTONCH [101]

Answer: \frac{1}{3^6}=3^{-6}

Explanation: Denominators of a fraction can be equivalently written as their value to the power of negative 1. In this case the denominator expression itself  has an exponent of 6, which taken to the power of negative one becomes -6:

\frac{1}{3^6}=(3^6)^{-1}=3^{6(-1)}=3^{-6}

5 0
3 years ago
Read 2 more answers
Tamar has four more quarters than dimes. If he has a total of $1.70, how many quarters
erma4kov [3.2K]
<h3>Answers:</h3><h3>6 quarters</h3><h3>2 dimes</h3>

================================================

Work Shown:

d = number of dimes

q = number of quarters

q = d+4 since she has 4 more quarters than dimes

$1.70 = 170 cents

10d = value of all the dimes in cents

25q = value of all the quarters in cents

10d+25q = total value of all the coins in cents

10d+25q = 170

10d+25( q ) = 170

10d+25( d+4 ) = 170 .... plug in q = d+4

10d+25d+100 = 170 .... distribute

35d+100 = 170

35d = 170-100 ..... subtract 100 from both sides

35d = 70

d = 70/35 ... divide both sides by 35

d = 2

He has 2 dimes

q = d+4

q = 2+4

q = 6

He also has 6 quarters

------------------

Check:

1 dime = 10 cents

2 dimes = 20 cents ..... multiply both sides by 2

1 quarter = 25 cents

6 quarters = 150 cents ..... multiply both sides by 6

(2 dimes) + (6 quarters) = (20 cents) + (150 cents) = 170 cents

This confirms the answers.

5 0
3 years ago
Will be mark trusted
Tanya [424]

<em><u>Answer:</u></em>

<h2><em><u>A is the answer.</u></em></h2>

Step-by-step explanation:

The commutative property changes the numbers in the equation they give. This is very different from identity, distibutive(needs parenthesis), or associative properties.

7 0
4 years ago
Read 2 more answers
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