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Llana [10]
2 years ago
6

Identify whether the expression is a polynomial, and if so, determine the correct type. y-3x+4

Mathematics
1 answer:
Vinvika [58]2 years ago
7 0

Answer:

Its the type of polynomial that doesn't matter because no one in the real world is gonna give a flying f#%* about it.

Step-by-step explanation:

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Mr. Paulsen challenges Olivia and Angelica to move figure ABCDE onto figure
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Answer:

Step-1 :  Reflect the original figure around the x-axis.

Step-2 :  Slide the new figure 7 units to the right.

8 0
2 years ago
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The chemistry class was making 300 gallons of 30% isopropyl alcohol. They mixed 12% with 42%. How much of each did they use?
alexgriva [62]

Answer:

<u>The chemistry class mixed 120 gallons of 12% isopropyl alcohol and 180 gallons of 42% isopropyl alcohol.</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Amount of isopropyl alcohol made by the chemistry class = 300 of 30%

Amount of 12% isopropyl alcohol mixed by the chemistry class = x

Amount of 42% isopropyl alcohol mixed by the chemistry class = 300 - x

2. How much of each did they use?

Let's write our equation to solve for x, this way:

30% = 0.3, 12% = 0.12, 42% = 0.42

0.12x + 0.42 (300 - x) = 0.3 * 300

0.12x + 126 - 0.42x = 90

-0.3x = 90 - 126

-0.3x = -36

x = -36/-0.3

<u>x = 120 ⇒ 300 - x = 180</u>

<u>Let's prove x = 120 is correct</u>

0.12x + 0.42 (300 - x) = 0.3 * 300

0.12 * 120 + 0.42 (300 - 120) = 0.3 * 300

14.4 + 75.6 = 90

90 = 90

<u>We proved x = 120 is correct</u>

5 0
3 years ago
Evaluate: 3 *-2 is an exponent, will give brainliest
natita [175]
So i dont get your question. do you need to find out what 3x10^-2 is? 
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Which pairs of rectangles are similar polygons?
kobusy [5.1K]

the longer side / the shorter side must be the same for rectangles to be similar.

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For  B:  120 / 90  =  1.33

For  C:  100 / 75  =  1.47

 

So... only  A  and  B are similar.

3 0
3 years ago
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