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nexus9112 [7]
3 years ago
14

Can anybody help me with number 22?

Mathematics
2 answers:
Bond [772]3 years ago
7 0
Carlos's answer is not correct. He did not do the perentesis first. He subtracted 2 from 20 getting 18 and then multiplied it by 6, which gave him 108. He then added 8, getting 116 and then divided that by 4. This gave him the incorrect answer of 29. The correct answer would be 4. Hope this helps!! :)    
gladu [14]3 years ago
5 0
Carlos did not use order of operations. The order of operations goes first you do <span>Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. First you do the parentheses which is 2 x 6 so now your equation is 20 - 12 + 8 / 4. Since you don't have any exponents nor multiplication left you move onto divison which is 8 / 4. Know your equation is 20 - 12 + 2. You do addtion which is 12 + 2. Then you do subtraction 20 - 14 which equals 6.

Hope this helps :)</span>
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The price of a technology stock has dropped to $9.71 today. Yesterday's price was $9.80. Find the percentage decrease.
Vadim26 [7]

Answer:

The percentage decrease = 0.9%

Step-by-step explanation:

  • Initial value = $9.80
  • Final value = $9.71

Using the formula

Percentage Decrease = [ (Initial Value - Final Value) / |Initial Value| ] × 100

                                    = [(9.80 - 9.71 ) / (9.80)] × 100

                                    = [0.09 / 9.80] × 100

                                    = 0.009 × 100  

                                    = 0.9%

Therefore, the percentage decrease = 0.9%

4 0
3 years ago
Choose the correct description of the graph of the inequality x - 3 &gt;= 5.
lions [1.4K]

The <em><u>correct answer</u></em> is:

D) Closed circle on 8, shading to the right.

Explanation:

First we must solve the inequality:

x - 3 ≥ 5

Add 3 to each side:

x - 3 + 3 ≥ 5 + 3

x ≥ 8

To graph this, we want a circle on 8 Since it is "greater than or equal to," 8 is included in the solution set. This means the circle will be closed.

Since it is "greater than," we want the numbers to the right of 8 on the number line.

This means the inequality will be a closed circle and shaded to the right.

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mihalych1998 [28]

Answer:

Step-by-step explanation:

cos(c)= x/ac

ac = cos32/9.4

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Mamont248 [21]
Our goal is to get y by itself
We will first add 3x to both sides to get
-5y = 3x - 15
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y = -3/5x + 3
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The equation is equivalent to u = rst. <br><br> True/ False
Jlenok [28]

The equation r = u/st is equivalent to u = rst .

True

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