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koban [17]
3 years ago
9

4.

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
5 0
So the original shoes cost 100%, but you are paying 15% less than 100%. 100-15 is 85, so 85% or .85 is your answer.
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3. If x2 + 4 = 29, then x2 - 4 = ?<br> A. 5<br> B. 121<br> C.<br> 21<br> D. 25<br> E. 33
EastWind [94]
Answer is c as x is 25/2
7 0
3 years ago
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Solve for the indicated variable.<br><br> 2a + 2b = c for b<br><br> B = ?/?
kodGreya [7K]

Answer:

b =  c − 2a

     ------------

          2

Step-by-step explanation:

2a + 2b = c

2b = c − 2a

b =  c − 2a

     ------------

          2

7 0
3 years ago
How do you do recursive formulas
Norma-Jean [14]

Answer:

Determine if the sequence is arithmetic (Do you add, or subtract, the same amount from one term to the next?)

Find the common difference.

Step-by-step explanation:


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3 years ago
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Rochy deposited $400 in her checking account. She wrote a check for $400 to pay for her car note. Then , she made another deposi
AnnZ [28]

Answer:

$500

Step-by-step explanation:

She pick in $400, she took that $400 out so she would then have $0

She then inserted $500 back in with no money previously

8 0
3 years ago
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What value of cc​ will complete the square below and make the expression a perfect square trinomial?
Sav [38]

Question: What value of c​ will complete the square below (x^{2} +30x+c) and make the expression a perfect square trinomial?

Answer: c = 225

Step-by-step explanation:

Perfect square trinomials come in the form a² + 2ab + b², which is equal to (a + b)². In the presented trinomial, we can immediately identify that <u>a = x, and b² = c</u>, but we need to find the numerical value of c.

To do this, note that the middle term, or <u>2ab, corresponds with (is equal to) 30x</u>. We know that a = x, and thus, <u>2ab = 2bx</u>. Now, 2bx and 30x are corresponding terms; thus, <u>2bx = 30x</u>.

Dividing by 2x on both sides gives us <u>b = 15</u>. Therefore, c = b² = 15² = 225. (As a squared binomial, this would be (x + 15)² as a = x and b = 15.)

4 0
1 year ago
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