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lara [203]
3 years ago
5

Which polynomial is a difference of two squares? x2 − 16 x2 + 16 x2 − 8 x2 + 8

Mathematics
1 answer:
mart [117]3 years ago
8 0
Difference means subtract so we can reduce the choices right away to first and third choices. of the only the first is the difference of squares, namely x² - 4²
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What is the exponents laws
riadik2000 [5.3K]
Laws<span> of </span>Exponents<span>. </span>Exponents<span> are also called Powers or Indices. The </span>exponent<span> of a number says how many times to use the number in a multiplication. In this example: 8</span>2<span> = 8 × 8 = 64. In words: 8</span>2<span> could be called "8 to the second power", "8 to the power 2" or simply "8 squared"</span>
6 0
3 years ago
Joan wants to reduce the area of her posters to be 2/3 of the original size. Match the original dimensions in the left column wi
svet-max [94.6K]

Answer:

Actual                                      2/3

30 inch. by 12 inch               240 inch²

30 inch. by 18 inch               360 inch²

12 inch. by 15 inch                  120inch²

18 inch. by 15 inch                 180inch²

Step-by-step explanation:

The answers are given in the same line .

Actual                                                      1/3                          2/3

30 inch. by 12 inch                                120 inch²                 240 inch²

30 inch. by 18 inch                                180 inch²                 360 inch²

12 inch. by 15 inch                                  60 inch²                  120inch²

18 inch. by 15 inch                                90 inch²                    180inch²

We  find the areas and multiply by 2/3 to get the answers

30 * 12= 360 inch²

2/3 * 360 = 240 inch²

30 * 18= 540 inch²

2/3 * 540 = 360inch²

12 * 15= 180 inch²

2/3 * 180 = 120 inch²

18 * 15= 270 inch²

2/3 * 270 = 180inch²

3 0
2 years ago
What is the medium lower quartile upper quartile and interquartil of the numbers
docker41 [41]
First you find the median, by taking 893+954 and dividing the sum of those two numbers by 2. The median is 923.5. Then you take and find the median of the numbers before the median which is 513. That is your lower quartile. Then you find the median of the numbers below the median, which is 1038. That is your upper quartile. The interquartile range is your upper quartile minus your lower quartile.  

Therefore, your answer would be: 
Median- 923.5
Lower Quartile- 513
Upper Quartile- 1038
Interquartile Range- 525

3 0
3 years ago
A class of sixth grade students is given 5 homework problems each day . The class has completed 35 homework problems. If x is th
Cloud [144]

Answer:

X=7

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Can someone please help me with this? ​
geniusboy [140]

Answer: B and D

Step-by-step explanation:

First, solve the terms inside of the parenthesis. As a general rule, whenever you multiply two terms that have the same base, you can add their exponents.

Applying this rule, the base in the problem is 6, and the exponents are 3 and -4. The sum of 3 and -4 leaves -1. Therefore, this is one of our solutions:

(6^-^1)^-^3

When you have an exponential term raised to another exponent, you can simply multiply the exponents. In the previous solution given above, multiply -1 and -3 to get 3. Therefore our second solution is:

6^3

8 0
3 years ago
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